/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/weaver/parallel-lamport.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 13:06:46,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 13:06:46,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 13:06:46,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 13:06:46,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 13:06:46,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 13:06:46,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 13:06:46,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 13:06:46,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 13:06:46,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 13:06:46,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 13:06:46,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 13:06:46,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 13:06:46,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 13:06:46,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 13:06:46,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 13:06:46,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 13:06:46,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 13:06:46,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 13:06:46,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 13:06:46,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 13:06:46,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 13:06:46,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 13:06:46,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 13:06:46,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 13:06:46,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 13:06:46,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 13:06:46,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 13:06:46,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 13:06:46,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 13:06:46,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 13:06:46,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 13:06:46,974 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 13:06:46,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 13:06:46,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 13:06:46,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 13:06:46,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 13:06:46,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 13:06:46,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 13:06:46,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 13:06:46,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 13:06:46,978 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-09-16 13:06:47,003 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 13:06:47,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 13:06:47,004 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 13:06:47,004 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 13:06:47,005 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 13:06:47,005 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 13:06:47,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 13:06:47,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 13:06:47,005 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 13:06:47,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 13:06:47,006 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 13:06:47,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 13:06:47,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 13:06:47,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 13:06:47,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 13:06:47,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 13:06:47,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 13:06:47,007 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 13:06:47,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 13:06:47,007 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 13:06:47,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 13:06:47,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 13:06:47,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 13:06:47,007 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 13:06:47,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 13:06:47,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 13:06:47,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 13:06:47,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 13:06:47,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 13:06:47,008 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 13:06:47,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 13:06:47,008 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 13:06:47,008 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-16 13:06:47,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 13:06:47,008 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-09-16 13:06:47,009 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-09-16 13:06:47,009 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 13:06:47,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 13:06:47,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 13:06:47,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 13:06:47,226 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 13:06:47,226 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 13:06:47,227 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-lamport.wvr.c [2022-09-16 13:06:47,292 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40d1fe9e9/853a2dd2265a49b299a4af83ca64d4b0/FLAGc7d80c21d [2022-09-16 13:06:47,635 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 13:06:47,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-lamport.wvr.c [2022-09-16 13:06:47,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40d1fe9e9/853a2dd2265a49b299a4af83ca64d4b0/FLAGc7d80c21d [2022-09-16 13:06:48,026 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40d1fe9e9/853a2dd2265a49b299a4af83ca64d4b0 [2022-09-16 13:06:48,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 13:06:48,029 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 13:06:48,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 13:06:48,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 13:06:48,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 13:06:48,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 01:06:48" (1/1) ... [2022-09-16 13:06:48,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@760fee2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:06:48, skipping insertion in model container [2022-09-16 13:06:48,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 01:06:48" (1/1) ... [2022-09-16 13:06:48,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 13:06:48,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 13:06:48,200 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-lamport.wvr.c[4210,4223] [2022-09-16 13:06:48,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 13:06:48,219 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 13:06:48,238 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-lamport.wvr.c[4210,4223] [2022-09-16 13:06:48,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 13:06:48,251 INFO L208 MainTranslator]: Completed translation [2022-09-16 13:06:48,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:06:48 WrapperNode [2022-09-16 13:06:48,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 13:06:48,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 13:06:48,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 13:06:48,253 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 13:06:48,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:06:48" (1/1) ... [2022-09-16 13:06:48,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:06:48" (1/1) ... [2022-09-16 13:06:48,289 INFO L138 Inliner]: procedures = 25, calls = 89, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 241 [2022-09-16 13:06:48,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 13:06:48,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 13:06:48,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 13:06:48,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 13:06:48,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:06:48" (1/1) ... [2022-09-16 13:06:48,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:06:48" (1/1) ... [2022-09-16 13:06:48,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:06:48" (1/1) ... [2022-09-16 13:06:48,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:06:48" (1/1) ... [2022-09-16 13:06:48,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:06:48" (1/1) ... [2022-09-16 13:06:48,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:06:48" (1/1) ... [2022-09-16 13:06:48,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:06:48" (1/1) ... [2022-09-16 13:06:48,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 13:06:48,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 13:06:48,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 13:06:48,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 13:06:48,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:06:48" (1/1) ... [2022-09-16 13:06:48,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 13:06:48,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 13:06:48,344 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) [2022-09-16 13:06:48,367 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 [2022-09-16 13:06:48,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 13:06:48,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 13:06:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 13:06:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 13:06:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-16 13:06:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-16 13:06:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-16 13:06:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-16 13:06:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-09-16 13:06:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-09-16 13:06:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 13:06:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 13:06:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 13:06:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-09-16 13:06:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 13:06:48,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 13:06:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 13:06:48,385 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 13:06:48,467 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 13:06:48,469 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 13:06:48,724 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 13:06:48,813 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 13:06:48,813 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-09-16 13:06:48,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 01:06:48 BoogieIcfgContainer [2022-09-16 13:06:48,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 13:06:48,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 13:06:48,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 13:06:48,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 13:06:48,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 01:06:48" (1/3) ... [2022-09-16 13:06:48,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@564f8a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 01:06:48, skipping insertion in model container [2022-09-16 13:06:48,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:06:48" (2/3) ... [2022-09-16 13:06:48,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@564f8a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 01:06:48, skipping insertion in model container [2022-09-16 13:06:48,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 01:06:48" (3/3) ... [2022-09-16 13:06:48,828 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-lamport.wvr.c [2022-09-16 13:06:48,834 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 13:06:48,841 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 13:06:48,841 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 13:06:48,841 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 13:06:48,896 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-09-16 13:06:48,955 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 13:06:48,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-16 13:06:48,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 13:06:48,957 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) [2022-09-16 13:06:48,977 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 [2022-09-16 13:06:49,006 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-16 13:06:49,016 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork2 ======== [2022-09-16 13:06:49,020 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;@39d4e28a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 13:06:49,020 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-09-16 13:06:49,123 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-09-16 13:06:49,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 13:06:49,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1248810803, now seen corresponding path program 1 times [2022-09-16 13:06:49,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 13:06:49,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404945366] [2022-09-16 13:06:49,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 13:06:49,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 13:06:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 13:06:49,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 13:06:49,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 13:06:49,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404945366] [2022-09-16 13:06:49,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404945366] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 13:06:49,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 13:06:49,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 13:06:49,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602939356] [2022-09-16 13:06:49,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 13:06:49,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-16 13:06:49,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 13:06:49,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-16 13:06:49,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-16 13:06:49,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:49,341 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 13:06:49,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 54.0) internal successors, (108), 2 states have internal predecessors, (108), 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) [2022-09-16 13:06:49,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:49,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:49,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 13:06:49,385 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-09-16 13:06:49,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 13:06:49,386 INFO L85 PathProgramCache]: Analyzing trace with hash 475057769, now seen corresponding path program 1 times [2022-09-16 13:06:49,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 13:06:49,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806026433] [2022-09-16 13:06:49,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 13:06:49,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 13:06:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 13:06:49,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 13:06:49,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 13:06:49,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806026433] [2022-09-16 13:06:49,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806026433] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 13:06:49,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 13:06:49,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 13:06:49,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250322110] [2022-09-16 13:06:49,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 13:06:49,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 13:06:49,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 13:06:49,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 13:06:49,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 13:06:49,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:49,526 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 13:06:49,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 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) [2022-09-16 13:06:49,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:49,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:49,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:49,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 13:06:49,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 13:06:49,652 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-09-16 13:06:49,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 13:06:49,653 INFO L85 PathProgramCache]: Analyzing trace with hash 304601464, now seen corresponding path program 1 times [2022-09-16 13:06:49,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 13:06:49,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154683803] [2022-09-16 13:06:49,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 13:06:49,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 13:06:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 13:06:49,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 13:06:49,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 13:06:49,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154683803] [2022-09-16 13:06:49,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154683803] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 13:06:49,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 13:06:49,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 13:06:49,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394354242] [2022-09-16 13:06:49,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 13:06:49,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 13:06:49,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 13:06:49,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 13:06:49,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-09-16 13:06:49,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:49,729 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 13:06:49,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 13:06:49,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:49,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-09-16 13:06:49,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:49,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:49,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 13:06:49,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-16 13:06:49,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 13:06:49,818 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-09-16 13:06:49,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 13:06:49,819 INFO L85 PathProgramCache]: Analyzing trace with hash 304601465, now seen corresponding path program 1 times [2022-09-16 13:06:49,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 13:06:49,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373383015] [2022-09-16 13:06:49,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 13:06:49,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 13:06:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 13:06:49,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 13:06:49,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 13:06:49,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373383015] [2022-09-16 13:06:49,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373383015] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 13:06:49,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 13:06:49,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 13:06:49,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321995578] [2022-09-16 13:06:49,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 13:06:49,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 13:06:49,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 13:06:49,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 13:06:49,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-09-16 13:06:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:49,890 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 13:06:49,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 13:06:49,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:49,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-09-16 13:06:49,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-09-16 13:06:49,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:50,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:50,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 13:06:50,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-16 13:06:50,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-09-16 13:06:50,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-09-16 13:06:50,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-09-16 13:06:50,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 13:06:50,077 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 13:06:50,078 INFO L307 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork2 was SAFE,SAFE (1/3) [2022-09-16 13:06:50,087 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 13:06:50,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-16 13:06:50,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 13:06:50,091 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-16 13:06:50,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-09-16 13:06:50,136 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-16 13:06:50,136 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork1 ======== [2022-09-16 13:06:50,137 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;@39d4e28a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 13:06:50,137 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-09-16 13:06:50,180 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-09-16 13:06:50,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 13:06:50,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1925309907, now seen corresponding path program 1 times [2022-09-16 13:06:50,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 13:06:50,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115915451] [2022-09-16 13:06:50,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 13:06:50,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 13:06:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 13:06:50,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 13:06:50,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 13:06:50,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115915451] [2022-09-16 13:06:50,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115915451] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 13:06:50,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 13:06:50,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 13:06:50,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743505078] [2022-09-16 13:06:50,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 13:06:50,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-16 13:06:50,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 13:06:50,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-16 13:06:50,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-16 13:06:50,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:50,236 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 13:06:50,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 51.0) internal successors, (102), 2 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) [2022-09-16 13:06:50,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:50,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:50,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 13:06:50,240 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-09-16 13:06:50,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 13:06:50,241 INFO L85 PathProgramCache]: Analyzing trace with hash -872252023, now seen corresponding path program 1 times [2022-09-16 13:06:50,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 13:06:50,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573557243] [2022-09-16 13:06:50,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 13:06:50,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 13:06:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 13:06:50,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 13:06:50,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 13:06:50,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573557243] [2022-09-16 13:06:50,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573557243] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 13:06:50,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 13:06:50,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 13:06:50,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505418370] [2022-09-16 13:06:50,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 13:06:50,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 13:06:50,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 13:06:50,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 13:06:50,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 13:06:50,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:50,327 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 13:06:50,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 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) [2022-09-16 13:06:50,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:50,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:50,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:50,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 13:06:50,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-09-16 13:06:50,467 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-09-16 13:06:50,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 13:06:50,467 INFO L85 PathProgramCache]: Analyzing trace with hash 186631316, now seen corresponding path program 1 times [2022-09-16 13:06:50,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 13:06:50,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767583092] [2022-09-16 13:06:50,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 13:06:50,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 13:06:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 13:06:50,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 13:06:50,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 13:06:50,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767583092] [2022-09-16 13:06:50,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767583092] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 13:06:50,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 13:06:50,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 13:06:50,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083694660] [2022-09-16 13:06:50,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 13:06:50,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 13:06:50,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 13:06:50,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 13:06:50,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-09-16 13:06:50,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:50,539 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 13:06:50,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 13:06:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-09-16 13:06:50,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:50,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:50,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 13:06:50,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-16 13:06:50,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-09-16 13:06:50,600 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-09-16 13:06:50,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 13:06:50,601 INFO L85 PathProgramCache]: Analyzing trace with hash 186631317, now seen corresponding path program 1 times [2022-09-16 13:06:50,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 13:06:50,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267932448] [2022-09-16 13:06:50,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 13:06:50,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 13:06:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 13:06:50,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 13:06:50,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 13:06:50,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267932448] [2022-09-16 13:06:50,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267932448] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 13:06:50,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 13:06:50,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 13:06:50,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688848542] [2022-09-16 13:06:50,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 13:06:50,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 13:06:50,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 13:06:50,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 13:06:50,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-09-16 13:06:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:50,651 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 13:06:50,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 13:06:50,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:50,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-09-16 13:06:50,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-09-16 13:06:50,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:50,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:50,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 13:06:50,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-16 13:06:50,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-09-16 13:06:50,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-09-16 13:06:50,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-09-16 13:06:50,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-09-16 13:06:50,786 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 13:06:50,787 INFO L307 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork1 was SAFE,SAFE (2/3) [2022-09-16 13:06:50,789 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 13:06:50,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-16 13:06:50,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 13:06:50,804 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) [2022-09-16 13:06:50,824 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 [2022-09-16 13:06:50,826 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-16 13:06:50,827 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-09-16 13:06:50,827 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;@39d4e28a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 13:06:50,827 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-09-16 13:06:50,951 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-09-16 13:06:50,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 13:06:50,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1602596373, now seen corresponding path program 1 times [2022-09-16 13:06:50,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 13:06:50,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997787787] [2022-09-16 13:06:50,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 13:06:50,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 13:06:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 13:06:50,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 13:06:50,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 13:06:50,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997787787] [2022-09-16 13:06:50,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997787787] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 13:06:50,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 13:06:50,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 13:06:50,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265139550] [2022-09-16 13:06:50,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 13:06:50,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-16 13:06:50,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 13:06:50,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-16 13:06:50,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-16 13:06:50,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:50,967 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 13:06:50,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 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) [2022-09-16 13:06:50,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:50,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:50,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-09-16 13:06:50,988 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-09-16 13:06:50,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 13:06:50,988 INFO L85 PathProgramCache]: Analyzing trace with hash 297638342, now seen corresponding path program 1 times [2022-09-16 13:06:50,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 13:06:50,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329608665] [2022-09-16 13:06:50,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 13:06:50,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 13:06:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 13:06:51,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 13:06:51,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 13:06:51,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329608665] [2022-09-16 13:06:51,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329608665] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 13:06:51,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 13:06:51,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 13:06:51,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676300430] [2022-09-16 13:06:51,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 13:06:51,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 13:06:51,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 13:06:51,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 13:06:51,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 13:06:51,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:51,014 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 13:06:51,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 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) [2022-09-16 13:06:51,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:51,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:51,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:51,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 13:06:51,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-09-16 13:06:51,084 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-09-16 13:06:51,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 13:06:51,085 INFO L85 PathProgramCache]: Analyzing trace with hash -2085209102, now seen corresponding path program 1 times [2022-09-16 13:06:51,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 13:06:51,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921875971] [2022-09-16 13:06:51,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 13:06:51,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 13:06:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 13:06:51,155 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 13:06:51,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 13:06:51,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921875971] [2022-09-16 13:06:51,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921875971] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 13:06:51,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009712297] [2022-09-16 13:06:51,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 13:06:51,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 13:06:51,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 13:06:51,160 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) [2022-09-16 13:06:51,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-09-16 13:06:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 13:06:51,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjunts are in the unsatisfiable core [2022-09-16 13:06:51,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 13:06:51,282 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 13:06:51,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-16 13:06:51,341 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 13:06:51,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009712297] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-16 13:06:51,342 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-16 13:06:51,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-09-16 13:06:51,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776308123] [2022-09-16 13:06:51,342 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-16 13:06:51,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-09-16 13:06:51,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 13:06:51,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-09-16 13:06:51,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-09-16 13:06:51,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:51,343 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 13:06:51,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.909090909090908) internal successors, (109), 12 states have internal predecessors, (109), 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) [2022-09-16 13:06:51,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:51,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-09-16 13:06:51,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:51,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:51,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 13:06:51,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-09-16 13:06:51,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-09-16 13:06:51,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 13:06:51,701 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-09-16 13:06:51,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 13:06:51,701 INFO L85 PathProgramCache]: Analyzing trace with hash -216972190, now seen corresponding path program 1 times [2022-09-16 13:06:51,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 13:06:51,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751211015] [2022-09-16 13:06:51,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 13:06:51,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 13:06:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 13:06:51,753 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 13:06:51,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 13:06:51,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751211015] [2022-09-16 13:06:51,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751211015] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 13:06:51,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843726196] [2022-09-16 13:06:51,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 13:06:51,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 13:06:51,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 13:06:51,768 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) [2022-09-16 13:06:51,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-09-16 13:06:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 13:06:51,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjunts are in the unsatisfiable core [2022-09-16 13:06:51,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 13:06:51,910 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 13:06:51,910 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-09-16 13:06:51,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843726196] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 13:06:51,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-09-16 13:06:51,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-09-16 13:06:51,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407999925] [2022-09-16 13:06:51,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 13:06:51,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 13:06:51,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 13:06:51,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 13:06:51,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-09-16 13:06:51,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:51,912 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 13:06:51,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 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) [2022-09-16 13:06:51,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:51,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-09-16 13:06:51,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-09-16 13:06:51,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:52,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:52,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 13:06:52,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 13:06:52,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-09-16 13:06:52,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-09-16 13:06:52,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-09-16 13:06:52,352 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-09-16 13:06:52,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 13:06:52,352 INFO L85 PathProgramCache]: Analyzing trace with hash 196058310, now seen corresponding path program 2 times [2022-09-16 13:06:52,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 13:06:52,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594452426] [2022-09-16 13:06:52,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 13:06:52,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 13:06:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 13:06:52,439 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 13:06:52,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 13:06:52,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594452426] [2022-09-16 13:06:52,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594452426] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 13:06:52,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139917121] [2022-09-16 13:06:52,439 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-09-16 13:06:52,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 13:06:52,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 13:06:52,441 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-16 13:06:52,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-09-16 13:06:52,510 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-09-16 13:06:52,510 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-16 13:06:52,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 7 conjunts are in the unsatisfiable core [2022-09-16 13:06:52,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 13:06:52,643 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-09-16 13:06:52,644 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-16 13:06:52,774 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-09-16 13:06:52,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139917121] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-16 13:06:52,774 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-16 13:06:52,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 17 [2022-09-16 13:06:52,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220270540] [2022-09-16 13:06:52,776 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-16 13:06:52,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-16 13:06:52,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 13:06:52,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-16 13:06:52,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2022-09-16 13:06:52,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:52,778 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 13:06:52,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 8.823529411764707) internal successors, (150), 18 states have internal predecessors, (150), 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) [2022-09-16 13:06:52,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:52,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-09-16 13:06:52,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-16 13:06:52,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-09-16 13:06:52,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:53,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 13:06:53,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 13:06:53,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-09-16 13:06:53,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-09-16 13:06:53,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 13:06:53,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2022-09-16 13:06:53,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2022-09-16 13:06:53,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-09-16 13:06:53,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-09-16 13:06:53,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-09-16 13:06:53,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-09-16 13:06:53,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 13:06:53,580 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2022-09-16 13:06:53,580 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE (3/3) [2022-09-16 13:06:53,581 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 13:06:53,581 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 13:06:53,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 01:06:53 BasicIcfg [2022-09-16 13:06:53,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 13:06:53,584 INFO L158 Benchmark]: Toolchain (without parser) took 5555.32ms. Allocated memory was 191.9MB in the beginning and 367.0MB in the end (delta: 175.1MB). Free memory was 162.2MB in the beginning and 228.6MB in the end (delta: -66.4MB). Peak memory consumption was 108.8MB. Max. memory is 8.0GB. [2022-09-16 13:06:53,584 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 191.9MB. Free memory is still 147.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 13:06:53,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.28ms. Allocated memory was 191.9MB in the beginning and 275.8MB in the end (delta: 83.9MB). Free memory was 161.9MB in the beginning and 245.1MB in the end (delta: -83.2MB). Peak memory consumption was 10.2MB. Max. memory is 8.0GB. [2022-09-16 13:06:53,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.60ms. Allocated memory is still 275.8MB. Free memory was 245.1MB in the beginning and 243.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 13:06:53,585 INFO L158 Benchmark]: Boogie Preprocessor took 22.00ms. Allocated memory is still 275.8MB. Free memory was 243.1MB in the beginning and 241.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 13:06:53,585 INFO L158 Benchmark]: RCFGBuilder took 507.78ms. Allocated memory is still 275.8MB. Free memory was 241.0MB in the beginning and 215.5MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-09-16 13:06:53,585 INFO L158 Benchmark]: TraceAbstraction took 4762.03ms. Allocated memory was 275.8MB in the beginning and 367.0MB in the end (delta: 91.2MB). Free memory was 214.8MB in the beginning and 228.6MB in the end (delta: -13.9MB). Peak memory consumption was 78.7MB. Max. memory is 8.0GB. [2022-09-16 13:06:53,586 INFO L339 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 191.9MB. Free memory is still 147.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 222.28ms. Allocated memory was 191.9MB in the beginning and 275.8MB in the end (delta: 83.9MB). Free memory was 161.9MB in the beginning and 245.1MB in the end (delta: -83.2MB). Peak memory consumption was 10.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.60ms. Allocated memory is still 275.8MB. Free memory was 245.1MB in the beginning and 243.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.00ms. Allocated memory is still 275.8MB. Free memory was 243.1MB in the beginning and 241.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 507.78ms. Allocated memory is still 275.8MB. Free memory was 241.0MB in the beginning and 215.5MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * TraceAbstraction took 4762.03ms. Allocated memory was 275.8MB in the beginning and 367.0MB in the end (delta: 91.2MB). Free memory was 214.8MB in the beginning and 228.6MB in the end (delta: -13.9MB). Peak memory consumption was 78.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4422, positive: 4049, positive conditional: 2784, positive unconditional: 1265, negative: 373, negative conditional: 345, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4190, positive: 4049, positive conditional: 2784, positive unconditional: 1265, negative: 141, negative conditional: 113, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4190, positive: 4049, positive conditional: 2784, positive unconditional: 1265, negative: 141, negative conditional: 113, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4425, positive: 4049, positive conditional: 0, positive unconditional: 4049, negative: 376, negative conditional: 235, negative unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4425, positive: 4049, positive conditional: 0, positive unconditional: 4049, negative: 376, negative conditional: 211, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4425, positive: 4049, positive conditional: 0, positive unconditional: 4049, negative: 376, negative conditional: 211, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1305, positive: 1265, positive conditional: 0, positive unconditional: 1265, negative: 40, negative conditional: 12, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1305, positive: 1263, positive conditional: 0, positive unconditional: 1263, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 42, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 40, negative conditional: 12, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 108, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 105, negative conditional: 27, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4425, positive: 2784, positive conditional: 0, positive unconditional: 2784, negative: 336, negative conditional: 199, negative unconditional: 137, unknown: 1305, unknown conditional: 12, unknown unconditional: 1293] , Statistics on independence cache: Total cache size (in pairs): 1305, Positive cache size: 1265, Positive conditional cache size: 0, Positive unconditional cache size: 1265, Negative cache size: 40, Negative conditional cache size: 12, Negative unconditional cache size: 28, Eliminated conditions: 24, Maximal queried relation: 3, Independence queries for same thread: 232 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 396, Number of trivial persistent sets: 241, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1293, positive: 1265, positive conditional: 0, positive unconditional: 1265, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4422, positive: 4049, positive conditional: 2784, positive unconditional: 1265, negative: 373, negative conditional: 345, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4190, positive: 4049, positive conditional: 2784, positive unconditional: 1265, negative: 141, negative conditional: 113, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4190, positive: 4049, positive conditional: 2784, positive unconditional: 1265, negative: 141, negative conditional: 113, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4425, positive: 4049, positive conditional: 0, positive unconditional: 4049, negative: 376, negative conditional: 235, negative unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4425, positive: 4049, positive conditional: 0, positive unconditional: 4049, negative: 376, negative conditional: 211, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4425, positive: 4049, positive conditional: 0, positive unconditional: 4049, negative: 376, negative conditional: 211, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1305, positive: 1265, positive conditional: 0, positive unconditional: 1265, negative: 40, negative conditional: 12, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1305, positive: 1263, positive conditional: 0, positive unconditional: 1263, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 42, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 40, negative conditional: 12, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 108, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 105, negative conditional: 27, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4425, positive: 2784, positive conditional: 0, positive unconditional: 2784, negative: 336, negative conditional: 199, negative unconditional: 137, unknown: 1305, unknown conditional: 12, unknown unconditional: 1293] , Statistics on independence cache: Total cache size (in pairs): 1305, Positive cache size: 1265, Positive conditional cache size: 0, Positive unconditional cache size: 1265, Negative cache size: 40, Negative conditional cache size: 12, Negative unconditional cache size: 28, Eliminated conditions: 24, Maximal queried relation: 3, Independence queries for same thread: 232 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4429, positive: 4062, positive conditional: 2785, positive unconditional: 1277, negative: 367, negative conditional: 340, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4201, positive: 4062, positive conditional: 2785, positive unconditional: 1277, negative: 139, negative conditional: 112, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4201, positive: 4062, positive conditional: 2785, positive unconditional: 1277, negative: 139, negative conditional: 112, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4434, positive: 4062, positive conditional: 0, positive unconditional: 4062, negative: 372, negative conditional: 233, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4434, positive: 4062, positive conditional: 0, positive unconditional: 4062, negative: 372, negative conditional: 211, negative unconditional: 161, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4434, positive: 4062, positive conditional: 0, positive unconditional: 4062, negative: 372, negative conditional: 211, negative unconditional: 161, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1316, positive: 1277, positive conditional: 0, positive unconditional: 1277, negative: 39, negative conditional: 12, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1316, positive: 1275, positive conditional: 0, positive unconditional: 1275, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 39, negative conditional: 12, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 109, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 107, negative conditional: 18, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4434, positive: 2785, positive conditional: 0, positive unconditional: 2785, negative: 333, negative conditional: 199, negative unconditional: 134, unknown: 1316, unknown conditional: 12, unknown unconditional: 1304] , Statistics on independence cache: Total cache size (in pairs): 1316, Positive cache size: 1277, Positive conditional cache size: 0, Positive unconditional cache size: 1277, Negative cache size: 39, Negative conditional cache size: 12, Negative unconditional cache size: 27, Eliminated conditions: 22, Maximal queried relation: 3, Independence queries for same thread: 228 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 397, Number of trivial persistent sets: 251, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1304, positive: 1277, positive conditional: 0, positive unconditional: 1277, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4429, positive: 4062, positive conditional: 2785, positive unconditional: 1277, negative: 367, negative conditional: 340, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4201, positive: 4062, positive conditional: 2785, positive unconditional: 1277, negative: 139, negative conditional: 112, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4201, positive: 4062, positive conditional: 2785, positive unconditional: 1277, negative: 139, negative conditional: 112, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4434, positive: 4062, positive conditional: 0, positive unconditional: 4062, negative: 372, negative conditional: 233, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4434, positive: 4062, positive conditional: 0, positive unconditional: 4062, negative: 372, negative conditional: 211, negative unconditional: 161, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4434, positive: 4062, positive conditional: 0, positive unconditional: 4062, negative: 372, negative conditional: 211, negative unconditional: 161, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1316, positive: 1277, positive conditional: 0, positive unconditional: 1277, negative: 39, negative conditional: 12, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1316, positive: 1275, positive conditional: 0, positive unconditional: 1275, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 39, negative conditional: 12, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 109, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 107, negative conditional: 18, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4434, positive: 2785, positive conditional: 0, positive unconditional: 2785, negative: 333, negative conditional: 199, negative unconditional: 134, unknown: 1316, unknown conditional: 12, unknown unconditional: 1304] , Statistics on independence cache: Total cache size (in pairs): 1316, Positive cache size: 1277, Positive conditional cache size: 0, Positive unconditional cache size: 1277, Negative cache size: 39, Negative conditional cache size: 12, Negative unconditional cache size: 27, Eliminated conditions: 22, Maximal queried relation: 3, Independence queries for same thread: 228 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15151, positive: 12385, positive conditional: 10906, positive unconditional: 1479, negative: 2766, negative conditional: 2724, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13381, positive: 12385, positive conditional: 10906, positive unconditional: 1479, negative: 996, negative conditional: 954, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 13381, positive: 12385, positive conditional: 10906, positive unconditional: 1479, negative: 996, negative conditional: 954, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15236, positive: 12385, positive conditional: 0, positive unconditional: 12385, negative: 2851, negative conditional: 1855, negative unconditional: 996, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15236, positive: 12385, positive conditional: 0, positive unconditional: 12385, negative: 2851, negative conditional: 42, negative unconditional: 2809, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15236, positive: 12385, positive conditional: 0, positive unconditional: 12385, negative: 2851, negative conditional: 42, negative unconditional: 2809, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1535, positive: 1479, positive conditional: 0, positive unconditional: 1479, negative: 56, negative conditional: 14, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1535, positive: 1473, positive conditional: 0, positive unconditional: 1473, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 56, negative conditional: 14, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 106, negative conditional: 24, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15236, positive: 10906, positive conditional: 0, positive unconditional: 10906, negative: 2795, negative conditional: 28, negative unconditional: 2767, unknown: 1535, unknown conditional: 14, unknown unconditional: 1521] , Statistics on independence cache: Total cache size (in pairs): 1535, Positive cache size: 1479, Positive conditional cache size: 0, Positive unconditional cache size: 1479, Negative cache size: 56, Negative conditional cache size: 14, Negative unconditional cache size: 42, Eliminated conditions: 1813, Maximal queried relation: 4, Independence queries for same thread: 1770 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 336, Number of trivial persistent sets: 264, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1521, positive: 1479, positive conditional: 0, positive unconditional: 1479, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15151, positive: 12385, positive conditional: 10906, positive unconditional: 1479, negative: 2766, negative conditional: 2724, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13381, positive: 12385, positive conditional: 10906, positive unconditional: 1479, negative: 996, negative conditional: 954, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 13381, positive: 12385, positive conditional: 10906, positive unconditional: 1479, negative: 996, negative conditional: 954, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15236, positive: 12385, positive conditional: 0, positive unconditional: 12385, negative: 2851, negative conditional: 1855, negative unconditional: 996, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15236, positive: 12385, positive conditional: 0, positive unconditional: 12385, negative: 2851, negative conditional: 42, negative unconditional: 2809, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15236, positive: 12385, positive conditional: 0, positive unconditional: 12385, negative: 2851, negative conditional: 42, negative unconditional: 2809, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1535, positive: 1479, positive conditional: 0, positive unconditional: 1479, negative: 56, negative conditional: 14, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1535, positive: 1473, positive conditional: 0, positive unconditional: 1473, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 56, negative conditional: 14, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 106, negative conditional: 24, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15236, positive: 10906, positive conditional: 0, positive unconditional: 10906, negative: 2795, negative conditional: 28, negative unconditional: 2767, unknown: 1535, unknown conditional: 14, unknown unconditional: 1521] , Statistics on independence cache: Total cache size (in pairs): 1535, Positive cache size: 1479, Positive conditional cache size: 0, Positive unconditional cache size: 1479, Negative cache size: 56, Negative conditional cache size: 14, Negative unconditional cache size: 42, Eliminated conditions: 1813, Maximal queried relation: 4, Independence queries for same thread: 1770 - PositiveResult [Line: 90]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 90]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 171]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 171]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread2Thread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 226 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, 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: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 444 NumberOfCodeBlocks, 444 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 440 ConstructedInterpolants, 0 QuantifiedInterpolants, 568 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread1Thread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 226 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 428 ConstructedInterpolants, 0 QuantifiedInterpolants, 546 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 226 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.2s, 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: 60, 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, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 712 NumberOfCodeBlocks, 676 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 897 ConstructedInterpolants, 0 QuantifiedInterpolants, 1407 SizeOfPredicates, 12 NumberOfNonLiveVariables, 559 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 123/266 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 13:06:53,614 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2022-09-16 13:06:53,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2022-09-16 13:06:54,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-09-16 13:06:54,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...