/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 --traceabstraction.partial.order.reduction.in.concurrent.analysis DPOR_SLEEP_NEW_STATES -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/test-easy10.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-99e0210 [2023-03-23 22:06:05,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 22:06:05,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 22:06:05,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-23 22:06:05,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-23 22:06:05,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-23 22:06:05,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-23 22:06:05,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-23 22:06:05,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-23 22:06:05,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-23 22:06:05,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-23 22:06:05,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-23 22:06:05,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-23 22:06:05,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-23 22:06:05,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-23 22:06:05,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-23 22:06:05,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-23 22:06:05,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-23 22:06:05,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-23 22:06:05,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-23 22:06:05,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-23 22:06:05,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-23 22:06:05,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-23 22:06:05,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-23 22:06:05,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-23 22:06:05,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-23 22:06:05,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-23 22:06:05,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-23 22:06:05,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-23 22:06:05,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-23 22:06:05,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-23 22:06:05,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-23 22:06:05,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-23 22:06:05,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-23 22:06:05,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-23 22:06:05,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-23 22:06:05,639 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-03-23 22:06:05,658 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 22:06:05,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 22:06:05,659 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 22:06:05,659 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 22:06:05,659 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 22:06:05,659 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 22:06:05,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 22:06:05,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 22:06:05,660 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 22:06:05,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 22:06:05,660 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 22:06:05,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 22:06:05,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 22:06:05,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 22:06:05,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 22:06:05,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 22:06:05,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 22:06:05,663 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 22:06:05,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 22:06:05,663 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 22:06:05,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 22:06:05,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 22:06:05,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 22:06:05,663 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-03-23 22:06:05,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 22:06:05,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 22:06:05,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 22:06:05,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 22:06:05,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 22:06:05,664 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 22:06:05,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 22:06:05,664 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-03-23 22:06:05,665 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-03-23 22:06:05,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 22:06:05,665 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-03-23 22:06:05,665 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-03-23 22:06:05,665 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Partial Order Reduction in concurrent analysis -> DPOR_SLEEP_NEW_STATES [2023-03-23 22:06:05,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 22:06:05,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 22:06:05,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 22:06:05,863 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 22:06:05,865 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 22:06:05,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy10.wvr.c [2023-03-23 22:06:06,810 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 22:06:07,039 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 22:06:07,039 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy10.wvr.c [2023-03-23 22:06:07,044 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee5d7b4d8/7d1a2e01a13f4cf692af972083f6697b/FLAGef92d4a62 [2023-03-23 22:06:07,053 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee5d7b4d8/7d1a2e01a13f4cf692af972083f6697b [2023-03-23 22:06:07,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 22:06:07,056 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-03-23 22:06:07,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 22:06:07,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 22:06:07,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 22:06:07,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 10:06:07" (1/1) ... [2023-03-23 22:06:07,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16927163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:06:07, skipping insertion in model container [2023-03-23 22:06:07,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 10:06:07" (1/1) ... [2023-03-23 22:06:07,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 22:06:07,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 22:06:07,227 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy10.wvr.c[3907,3920] [2023-03-23 22:06:07,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 22:06:07,238 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 22:06:07,257 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy10.wvr.c[3907,3920] [2023-03-23 22:06:07,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 22:06:07,263 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 22:06:07,263 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 22:06:07,267 INFO L208 MainTranslator]: Completed translation [2023-03-23 22:06:07,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:06:07 WrapperNode [2023-03-23 22:06:07,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 22:06:07,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-03-23 22:06:07,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-03-23 22:06:07,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-03-23 22:06:07,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:06:07" (1/1) ... [2023-03-23 22:06:07,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:06:07" (1/1) ... [2023-03-23 22:06:07,297 INFO L138 Inliner]: procedures = 23, calls = 84, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 192 [2023-03-23 22:06:07,297 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-03-23 22:06:07,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 22:06:07,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 22:06:07,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 22:06:07,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:06:07" (1/1) ... [2023-03-23 22:06:07,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:06:07" (1/1) ... [2023-03-23 22:06:07,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:06:07" (1/1) ... [2023-03-23 22:06:07,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:06:07" (1/1) ... [2023-03-23 22:06:07,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:06:07" (1/1) ... [2023-03-23 22:06:07,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:06:07" (1/1) ... [2023-03-23 22:06:07,317 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:06:07" (1/1) ... [2023-03-23 22:06:07,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:06:07" (1/1) ... [2023-03-23 22:06:07,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 22:06:07,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 22:06:07,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 22:06:07,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 22:06:07,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:06:07" (1/1) ... [2023-03-23 22:06:07,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 22:06:07,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 22:06:07,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-23 22:06:07,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-23 22:06:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 22:06:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-03-23 22:06:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-03-23 22:06:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-03-23 22:06:07,422 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-03-23 22:06:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-03-23 22:06:07,422 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-03-23 22:06:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-03-23 22:06:07,422 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-03-23 22:06:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 22:06:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 22:06:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 22:06:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-03-23 22:06:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-03-23 22:06:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 22:06:07,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 22:06:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-23 22:06:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 22:06:07,424 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-03-23 22:06:07,494 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 22:06:07,496 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 22:06:07,740 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 22:06:07,788 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 22:06:07,788 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-23 22:06:07,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 10:06:07 BoogieIcfgContainer [2023-03-23 22:06:07,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 22:06:07,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-23 22:06:07,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-23 22:06:07,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-23 22:06:07,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 10:06:07" (1/3) ... [2023-03-23 22:06:07,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495e4299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 10:06:07, skipping insertion in model container [2023-03-23 22:06:07,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 10:06:07" (2/3) ... [2023-03-23 22:06:07,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495e4299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 10:06:07, skipping insertion in model container [2023-03-23 22:06:07,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 10:06:07" (3/3) ... [2023-03-23 22:06:07,795 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy10.wvr.c [2023-03-23 22:06:07,800 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-03-23 22:06:07,807 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-23 22:06:07,807 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-23 22:06:07,807 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-03-23 22:06:07,855 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-03-23 22:06:07,884 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 22:06:07,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-03-23 22:06:07,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 22:06:07,902 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-03-23 22:06:07,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-03-23 22:06:07,926 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-03-23 22:06:07,932 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-03-23 22:06:07,943 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;@55f19677, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 22:06:07,943 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-03-23 22:06:08,412 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-03-23 22:06:08,415 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 22:06:08,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1764693506, now seen corresponding path program 1 times [2023-03-23 22:06:08,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 22:06:08,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329502025] [2023-03-23 22:06:08,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 22:06:08,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 22:06:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 22:06:08,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 22:06:08,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 22:06:08,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329502025] [2023-03-23 22:06:08,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329502025] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 22:06:08,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 22:06:08,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-23 22:06:08,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115568803] [2023-03-23 22:06:08,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 22:06:08,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-23 22:06:08,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 22:06:08,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-23 22:06:08,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-23 22:06:08,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:06:08,651 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 22:06:08,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 58.5) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-23 22:06:08,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:06:08,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:06:08,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-23 22:06:08,702 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-03-23 22:06:08,702 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 22:06:08,702 INFO L85 PathProgramCache]: Analyzing trace with hash 2005544660, now seen corresponding path program 1 times [2023-03-23 22:06:08,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 22:06:08,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120830555] [2023-03-23 22:06:08,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 22:06:08,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 22:06:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 22:06:09,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 22:06:09,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 22:06:09,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120830555] [2023-03-23 22:06:09,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120830555] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 22:06:09,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 22:06:09,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-23 22:06:09,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193339259] [2023-03-23 22:06:09,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 22:06:09,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-23 22:06:09,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 22:06:09,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-23 22:06:09,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-23 22:06:09,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:06:09,041 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 22:06:09,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-23 22:06:09,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:06:09,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:06:09,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:06:09,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 22:06:09,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-23 22:06:09,123 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-03-23 22:06:09,124 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 22:06:09,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1376776316, now seen corresponding path program 2 times [2023-03-23 22:06:09,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 22:06:09,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738797902] [2023-03-23 22:06:09,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 22:06:09,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 22:06:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 22:06:09,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 22:06:09,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 22:06:09,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738797902] [2023-03-23 22:06:09,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738797902] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 22:06:09,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 22:06:09,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-23 22:06:09,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131327628] [2023-03-23 22:06:09,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 22:06:09,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-23 22:06:09,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 22:06:09,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-23 22:06:09,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-23 22:06:09,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:06:09,626 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 22:06:09,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-23 22:06:09,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:06:09,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 22:06:09,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:06:09,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:06:09,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 22:06:09,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 22:06:09,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-23 22:06:09,695 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-03-23 22:06:09,696 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 22:06:09,696 INFO L85 PathProgramCache]: Analyzing trace with hash -508073028, now seen corresponding path program 3 times [2023-03-23 22:06:09,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 22:06:09,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970224057] [2023-03-23 22:06:09,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 22:06:09,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 22:06:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 22:06:11,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 22:06:11,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 22:06:11,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970224057] [2023-03-23 22:06:11,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970224057] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 22:06:11,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 22:06:11,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-03-23 22:06:11,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982438538] [2023-03-23 22:06:11,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 22:06:11,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-03-23 22:06:11,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 22:06:11,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-03-23 22:06:11,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2023-03-23 22:06:11,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:06:11,566 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 22:06:11,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.1875) internal successors, (115), 16 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-23 22:06:11,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:06:11,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 22:06:11,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 22:06:11,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:06:12,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:06:12,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 22:06:12,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 22:06:12,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-03-23 22:06:12,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-23 22:06:12,673 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-03-23 22:06:12,673 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 22:06:12,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1507799898, now seen corresponding path program 4 times [2023-03-23 22:06:12,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 22:06:12,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748922783] [2023-03-23 22:06:12,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 22:06:12,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 22:06:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 22:06:12,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 22:06:12,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 22:06:12,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748922783] [2023-03-23 22:06:12,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748922783] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 22:06:12,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 22:06:12,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-23 22:06:12,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103758431] [2023-03-23 22:06:12,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 22:06:12,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-23 22:06:12,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 22:06:12,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-23 22:06:12,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-23 22:06:12,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:06:12,941 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 22:06:12,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-23 22:06:12,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:06:12,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 22:06:12,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 22:06:12,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-03-23 22:06:12,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:06:13,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:06:13,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 22:06:13,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 22:06:13,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-23 22:06:13,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 22:06:13,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-23 22:06:13,107 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-03-23 22:06:13,107 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 22:06:13,107 INFO L85 PathProgramCache]: Analyzing trace with hash -357173286, now seen corresponding path program 5 times [2023-03-23 22:06:13,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 22:06:13,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858749546] [2023-03-23 22:06:13,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 22:06:13,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 22:06:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 22:06:13,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 22:06:13,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 22:06:13,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858749546] [2023-03-23 22:06:13,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858749546] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 22:06:13,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 22:06:13,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-23 22:06:13,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342695899] [2023-03-23 22:06:13,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 22:06:13,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-23 22:06:13,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 22:06:13,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-23 22:06:13,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-23 22:06:13,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:06:13,293 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 22:06:13,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-23 22:06:13,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:06:13,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 22:06:13,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 22:06:13,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-03-23 22:06:13,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 22:06:13,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:06:13,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 22:06:13,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 22:06:13,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 22:06:13,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-23 22:06:13,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 22:06:13,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 22:06:13,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-03-23 22:06:13,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-03-23 22:06:13,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-03-23 22:06:13,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-03-23 22:06:13,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-03-23 22:06:13,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-23 22:06:13,400 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1] [2023-03-23 22:06:13,401 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-03-23 22:06:13,401 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-23 22:06:13,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 10:06:13 BasicIcfg [2023-03-23 22:06:13,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-23 22:06:13,409 INFO L158 Benchmark]: Toolchain (without parser) took 6352.77ms. Allocated memory was 338.7MB in the beginning and 488.6MB in the end (delta: 149.9MB). Free memory was 296.7MB in the beginning and 233.1MB in the end (delta: 63.5MB). Peak memory consumption was 215.1MB. Max. memory is 8.0GB. [2023-03-23 22:06:13,409 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 177.2MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 22:06:13,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.16ms. Allocated memory is still 338.7MB. Free memory was 296.2MB in the beginning and 284.6MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-03-23 22:06:13,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.44ms. Allocated memory is still 338.7MB. Free memory was 284.6MB in the beginning and 282.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 22:06:13,412 INFO L158 Benchmark]: Boogie Preprocessor took 22.39ms. Allocated memory is still 338.7MB. Free memory was 282.5MB in the beginning and 281.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-03-23 22:06:13,412 INFO L158 Benchmark]: RCFGBuilder took 469.23ms. Allocated memory is still 338.7MB. Free memory was 281.0MB in the beginning and 260.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-03-23 22:06:13,413 INFO L158 Benchmark]: TraceAbstraction took 5617.34ms. Allocated memory was 338.7MB in the beginning and 488.6MB in the end (delta: 149.9MB). Free memory was 259.5MB in the beginning and 233.1MB in the end (delta: 26.3MB). Peak memory consumption was 177.3MB. Max. memory is 8.0GB. [2023-03-23 22:06:13,415 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 177.2MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 211.16ms. Allocated memory is still 338.7MB. Free memory was 296.2MB in the beginning and 284.6MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.44ms. Allocated memory is still 338.7MB. Free memory was 284.6MB in the beginning and 282.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.39ms. Allocated memory is still 338.7MB. Free memory was 282.5MB in the beginning and 281.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 469.23ms. Allocated memory is still 338.7MB. Free memory was 281.0MB in the beginning and 260.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 5617.34ms. Allocated memory was 338.7MB in the beginning and 488.6MB in the end (delta: 149.9MB). Free memory was 259.5MB in the beginning and 233.1MB in the end (delta: 26.3MB). Peak memory consumption was 177.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 96262, independent: 67225, independent conditional: 2612, independent unconditional: 64613, dependent: 29037, dependent conditional: 46, dependent unconditional: 28991, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 69062, independent: 67225, independent conditional: 2612, independent unconditional: 64613, dependent: 1837, dependent conditional: 30, dependent unconditional: 1807, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 69062, independent: 67225, independent conditional: 2612, independent unconditional: 64613, dependent: 1837, dependent conditional: 30, dependent unconditional: 1807, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 69117, independent: 67225, independent conditional: 0, independent unconditional: 67225, dependent: 1892, dependent conditional: 55, dependent unconditional: 1837, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 69117, independent: 67225, independent conditional: 0, independent unconditional: 67225, dependent: 1892, dependent conditional: 21, dependent unconditional: 1871, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 69117, independent: 67225, independent conditional: 0, independent unconditional: 67225, dependent: 1892, dependent conditional: 21, dependent unconditional: 1871, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3804, independent: 3692, independent conditional: 0, independent unconditional: 3692, dependent: 112, dependent conditional: 2, dependent unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3804, independent: 3672, independent conditional: 0, independent unconditional: 3672, dependent: 132, dependent conditional: 0, dependent unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 132, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 112, dependent conditional: 2, dependent unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 132, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 112, dependent conditional: 2, dependent unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 312, independent: 65, independent conditional: 0, independent unconditional: 65, dependent: 247, dependent conditional: 4, dependent unconditional: 243, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 69117, independent: 63533, independent conditional: 0, independent unconditional: 63533, dependent: 1780, dependent conditional: 19, dependent unconditional: 1761, unknown: 3804, unknown conditional: 2, unknown unconditional: 3802] , Statistics on independence cache: Total cache size (in pairs): 3804, Positive cache size: 3692, Positive conditional cache size: 0, Positive unconditional cache size: 3692, Negative cache size: 112, Negative conditional cache size: 2, Negative unconditional cache size: 110, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 34, Maximal queried relation: 4, Independence queries for same thread: 27200 - PositiveResult [Line: 153]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 174 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 2.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 33, 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, 0.5s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 692 NumberOfCodeBlocks, 692 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 686 ConstructedInterpolants, 0 QuantifiedInterpolants, 2686 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-03-23 22:06:13,426 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 [2023-03-23 22:06:13,634 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...