/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 -i ../../../trunk/examples/svcomp/weaver/spaghetti.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-99e0210 [2023-03-23 20:33:30,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 20:33:30,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 20:33:30,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-23 20:33:30,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-23 20:33:30,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-23 20:33:30,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-23 20:33:30,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-23 20:33:30,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-23 20:33:30,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-23 20:33:30,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-23 20:33:30,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-23 20:33:30,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-23 20:33:30,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-23 20:33:30,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-23 20:33:30,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-23 20:33:30,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-23 20:33:30,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-23 20:33:30,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-23 20:33:30,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-23 20:33:30,613 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-03-23 20:33:30,629 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 20:33:30,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 20:33:30,629 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 20:33:30,630 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 20:33:30,630 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 20:33:30,630 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 20:33:30,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 20:33:30,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 20:33:30,631 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 20:33:30,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 20:33:30,631 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 20:33:30,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 20:33:30,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 20:33:30,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 20:33:30,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 20:33:30,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 20:33:30,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 20:33:30,632 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 20:33:30,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 20:33:30,632 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 20:33:30,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 20:33:30,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 20:33:30,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 20:33:30,633 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-03-23 20:33:30,633 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 20:33:30,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 20:33:30,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 20:33:30,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 20:33:30,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 20:33:30,633 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 20:33:30,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 20:33:30,634 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-03-23 20:33:30,634 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-03-23 20:33:30,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 20:33:30,634 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-03-23 20:33:30,634 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-03-23 20:33:30,634 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-23 20:33:30,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 20:33:30,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 20:33:30,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 20:33:30,873 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 20:33:30,874 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 20:33:30,875 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/spaghetti.wvr.c [2023-03-23 20:33:32,084 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 20:33:32,246 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 20:33:32,246 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/spaghetti.wvr.c [2023-03-23 20:33:32,252 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dca61022/56969fcdfbd24640a4e1c5c6ec45148c/FLAG2dce67650 [2023-03-23 20:33:32,267 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dca61022/56969fcdfbd24640a4e1c5c6ec45148c [2023-03-23 20:33:32,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 20:33:32,271 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-03-23 20:33:32,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 20:33:32,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 20:33:32,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 20:33:32,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 08:33:32" (1/1) ... [2023-03-23 20:33:32,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b5146e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:33:32, skipping insertion in model container [2023-03-23 20:33:32,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 08:33:32" (1/1) ... [2023-03-23 20:33:32,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 20:33:32,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 20:33:32,434 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/spaghetti.wvr.c[3221,3234] [2023-03-23 20:33:32,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 20:33:32,447 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 20:33:32,466 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/spaghetti.wvr.c[3221,3234] [2023-03-23 20:33:32,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 20:33:32,474 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 20:33:32,474 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 20:33:32,480 INFO L208 MainTranslator]: Completed translation [2023-03-23 20:33:32,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:33:32 WrapperNode [2023-03-23 20:33:32,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 20:33:32,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-03-23 20:33:32,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-03-23 20:33:32,481 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-03-23 20:33:32,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:33:32" (1/1) ... [2023-03-23 20:33:32,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:33:32" (1/1) ... [2023-03-23 20:33:32,511 INFO L138 Inliner]: procedures = 23, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2023-03-23 20:33:32,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-03-23 20:33:32,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 20:33:32,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 20:33:32,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 20:33:32,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:33:32" (1/1) ... [2023-03-23 20:33:32,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:33:32" (1/1) ... [2023-03-23 20:33:32,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:33:32" (1/1) ... [2023-03-23 20:33:32,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:33:32" (1/1) ... [2023-03-23 20:33:32,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:33:32" (1/1) ... [2023-03-23 20:33:32,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:33:32" (1/1) ... [2023-03-23 20:33:32,534 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:33:32" (1/1) ... [2023-03-23 20:33:32,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:33:32" (1/1) ... [2023-03-23 20:33:32,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 20:33:32,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 20:33:32,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 20:33:32,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 20:33:32,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:33:32" (1/1) ... [2023-03-23 20:33:32,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 20:33:32,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 20:33:32,567 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 20:33:32,568 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 20:33:32,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 20:33:32,599 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-03-23 20:33:32,603 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-03-23 20:33:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-03-23 20:33:32,603 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-03-23 20:33:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-03-23 20:33:32,603 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-03-23 20:33:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-03-23 20:33:32,604 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-03-23 20:33:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 20:33:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 20:33:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 20:33:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-03-23 20:33:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-03-23 20:33:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 20:33:32,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 20:33:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-23 20:33:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 20:33:32,606 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 20:33:32,692 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 20:33:32,694 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 20:33:33,008 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 20:33:33,030 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 20:33:33,031 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-23 20:33:33,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 08:33:33 BoogieIcfgContainer [2023-03-23 20:33:33,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 20:33:33,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-23 20:33:33,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-23 20:33:33,043 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-23 20:33:33,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 08:33:32" (1/3) ... [2023-03-23 20:33:33,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5220183d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 08:33:33, skipping insertion in model container [2023-03-23 20:33:33,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:33:32" (2/3) ... [2023-03-23 20:33:33,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5220183d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 08:33:33, skipping insertion in model container [2023-03-23 20:33:33,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 08:33:33" (3/3) ... [2023-03-23 20:33:33,046 INFO L112 eAbstractionObserver]: Analyzing ICFG spaghetti.wvr.c [2023-03-23 20:33:33,054 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-03-23 20:33:33,062 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-23 20:33:33,062 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-23 20:33:33,063 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-03-23 20:33:33,179 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-03-23 20:33:33,221 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 20:33:33,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-03-23 20:33:33,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 20:33:33,223 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 20:33:33,225 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 20:33:33,253 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-03-23 20:33:33,268 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-03-23 20:33:33,273 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;@29efe1b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 20:33:33,273 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-03-23 20:33:33,553 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 20:33:33,558 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 20:33:33,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1307679739, now seen corresponding path program 1 times [2023-03-23 20:33:33,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 20:33:33,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316824337] [2023-03-23 20:33:33,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 20:33:33,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 20:33:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 20:33:33,852 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 20:33:33,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 20:33:33,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316824337] [2023-03-23 20:33:33,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316824337] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 20:33:33,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 20:33:33,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-23 20:33:33,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731796463] [2023-03-23 20:33:33,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 20:33:33,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-23 20:33:33,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 20:33:33,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-23 20:33:33,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-23 20:33:33,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:33:33,882 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 20:33:33,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 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 20:33:33,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:33:33,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:33:33,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-23 20:33:33,924 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 20:33:33,925 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 20:33:33,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1843297453, now seen corresponding path program 1 times [2023-03-23 20:33:33,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 20:33:33,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151844001] [2023-03-23 20:33:33,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 20:33:33,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 20:33:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 20:33:34,471 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 20:33:34,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 20:33:34,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151844001] [2023-03-23 20:33:34,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151844001] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 20:33:34,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 20:33:34,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-23 20:33:34,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008808498] [2023-03-23 20:33:34,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 20:33:34,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-23 20:33:34,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 20:33:34,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-23 20:33:34,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-03-23 20:33:34,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:33:34,476 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 20:33:34,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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 20:33:34,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:33:34,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:33:40,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:33:40,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-23 20:33:40,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-03-23 20:33:40,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-03-23 20:33:40,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-03-23 20:33:40,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-03-23 20:33:40,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-03-23 20:33:40,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-23 20:33:40,927 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-03-23 20:33:40,930 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-03-23 20:33:40,930 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-23 20:33:40,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 08:33:40 BasicIcfg [2023-03-23 20:33:40,933 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-23 20:33:40,933 INFO L158 Benchmark]: Toolchain (without parser) took 8662.62ms. Allocated memory was 297.8MB in the beginning and 1.1GB in the end (delta: 794.8MB). Free memory was 252.3MB in the beginning and 806.1MB in the end (delta: -553.9MB). Peak memory consumption was 391.1MB. Max. memory is 8.0GB. [2023-03-23 20:33:40,934 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 186.6MB. Free memory is still 137.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 20:33:40,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.74ms. Allocated memory is still 297.8MB. Free memory was 252.3MB in the beginning and 240.7MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-03-23 20:33:40,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.82ms. Allocated memory is still 297.8MB. Free memory was 240.7MB in the beginning and 239.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 20:33:40,935 INFO L158 Benchmark]: Boogie Preprocessor took 24.80ms. Allocated memory is still 297.8MB. Free memory was 239.0MB in the beginning and 237.6MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-03-23 20:33:40,935 INFO L158 Benchmark]: RCFGBuilder took 499.00ms. Allocated memory is still 297.8MB. Free memory was 237.6MB in the beginning and 222.6MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-03-23 20:33:40,936 INFO L158 Benchmark]: TraceAbstraction took 7892.93ms. Allocated memory was 297.8MB in the beginning and 1.1GB in the end (delta: 794.8MB). Free memory was 221.8MB in the beginning and 806.1MB in the end (delta: -584.3MB). Peak memory consumption was 360.7MB. Max. memory is 8.0GB. [2023-03-23 20:33:40,938 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 186.6MB. Free memory is still 137.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 208.74ms. Allocated memory is still 297.8MB. Free memory was 252.3MB in the beginning and 240.7MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.82ms. Allocated memory is still 297.8MB. Free memory was 240.7MB in the beginning and 239.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.80ms. Allocated memory is still 297.8MB. Free memory was 239.0MB in the beginning and 237.6MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 499.00ms. Allocated memory is still 297.8MB. Free memory was 237.6MB in the beginning and 222.6MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 7892.93ms. Allocated memory was 297.8MB in the beginning and 1.1GB in the end (delta: 794.8MB). Free memory was 221.8MB in the beginning and 806.1MB in the end (delta: -584.3MB). Peak memory consumption was 360.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 404762, independent: 382577, independent conditional: 376576, independent unconditional: 6001, dependent: 22185, dependent conditional: 22153, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 385255, independent: 382577, independent conditional: 376576, independent unconditional: 6001, dependent: 2678, dependent conditional: 2646, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 385255, independent: 382577, independent conditional: 376576, independent unconditional: 6001, dependent: 2678, dependent conditional: 2646, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 387901, independent: 382577, independent conditional: 0, independent unconditional: 382577, dependent: 5324, dependent conditional: 2646, dependent unconditional: 2678, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 387901, independent: 382577, independent conditional: 0, independent unconditional: 382577, dependent: 5324, dependent conditional: 0, dependent unconditional: 5324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 387901, independent: 382577, independent conditional: 0, independent unconditional: 382577, dependent: 5324, dependent conditional: 0, dependent unconditional: 5324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4858, independent: 4826, independent conditional: 0, independent unconditional: 4826, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4858, independent: 4796, independent conditional: 0, independent unconditional: 4796, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 62, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 191, independent: 53, independent conditional: 0, independent unconditional: 53, dependent: 138, dependent conditional: 0, dependent unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 387901, independent: 377751, independent conditional: 0, independent unconditional: 377751, dependent: 5292, dependent conditional: 0, dependent unconditional: 5292, unknown: 4858, unknown conditional: 0, unknown unconditional: 4858] , Statistics on independence cache: Total cache size (in pairs): 4858, Positive cache size: 4826, Positive conditional cache size: 0, Positive unconditional cache size: 4826, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2646, Maximal queried relation: 1, Independence queries for same thread: 19507 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 2.1s, Number of persistent set computation: 46865, Number of trivial persistent sets: 46783, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6033, independent: 6001, independent conditional: 0, independent unconditional: 6001, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 404762, independent: 382577, independent conditional: 376576, independent unconditional: 6001, dependent: 22185, dependent conditional: 22153, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 385255, independent: 382577, independent conditional: 376576, independent unconditional: 6001, dependent: 2678, dependent conditional: 2646, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 385255, independent: 382577, independent conditional: 376576, independent unconditional: 6001, dependent: 2678, dependent conditional: 2646, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 387901, independent: 382577, independent conditional: 0, independent unconditional: 382577, dependent: 5324, dependent conditional: 2646, dependent unconditional: 2678, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 387901, independent: 382577, independent conditional: 0, independent unconditional: 382577, dependent: 5324, dependent conditional: 0, dependent unconditional: 5324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 387901, independent: 382577, independent conditional: 0, independent unconditional: 382577, dependent: 5324, dependent conditional: 0, dependent unconditional: 5324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4858, independent: 4826, independent conditional: 0, independent unconditional: 4826, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4858, independent: 4796, independent conditional: 0, independent unconditional: 4796, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 62, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 191, independent: 53, independent conditional: 0, independent unconditional: 53, dependent: 138, dependent conditional: 0, dependent unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 387901, independent: 377751, independent conditional: 0, independent unconditional: 377751, dependent: 5292, dependent conditional: 0, dependent unconditional: 5292, unknown: 4858, unknown conditional: 0, unknown unconditional: 4858] , Statistics on independence cache: Total cache size (in pairs): 4858, Positive cache size: 4826, Positive conditional cache size: 0, Positive unconditional cache size: 4826, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2646, Maximal queried relation: 1, Independence queries for same thread: 19507 - PositiveResult [Line: 127]: 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, 165 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 6.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 245 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 20:33:40,955 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 20:33:41,157 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...