/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.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/bigshot_s.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 06:36:24,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 06:36:24,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 06:36:24,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-20 06:36:24,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 06:36:24,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 06:36:24,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 06:36:24,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 06:36:24,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 06:36:24,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 06:36:24,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 06:36:24,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 06:36:24,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 06:36:24,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 06:36:24,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 06:36:24,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 06:36:24,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-20 06:36:24,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 06:36:24,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 06:36:24,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 06:36:24,764 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 06:36:24,795 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 06:36:24,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 06:36:24,796 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 06:36:24,796 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 06:36:24,797 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 06:36:24,798 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 06:36:24,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 06:36:24,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 06:36:24,798 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 06:36:24,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 06:36:24,799 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 06:36:24,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 06:36:24,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 06:36:24,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 06:36:24,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 06:36:24,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 06:36:24,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 06:36:24,800 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 06:36:24,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 06:36:24,801 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 06:36:24,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 06:36:24,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 06:36:24,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 06:36:24,801 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 06:36:24,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 06:36:24,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 06:36:24,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 06:36:24,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 06:36:24,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 06:36:24,802 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 06:36:24,802 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 06:36:24,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 06:36:24,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 06:36:24,803 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 06:36:24,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 06:36:24,803 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 06:36:24,803 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-20 06:36:25,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 06:36:25,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 06:36:25,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 06:36:25,071 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 06:36:25,073 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 06:36:25,075 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/bigshot_s.i [2023-05-20 06:36:25,130 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8231bae75/fbd43052a2734592b14676eac73e91b9/FLAGebb11f1fe [2023-05-20 06:36:25,653 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 06:36:25,654 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s.i [2023-05-20 06:36:25,665 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8231bae75/fbd43052a2734592b14676eac73e91b9/FLAGebb11f1fe [2023-05-20 06:36:26,168 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8231bae75/fbd43052a2734592b14676eac73e91b9 [2023-05-20 06:36:26,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 06:36:26,172 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 06:36:26,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 06:36:26,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 06:36:26,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 06:36:26,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 06:36:26" (1/1) ... [2023-05-20 06:36:26,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c8df3fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:36:26, skipping insertion in model container [2023-05-20 06:36:26,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 06:36:26" (1/1) ... [2023-05-20 06:36:26,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 06:36:26,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 06:36:26,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s.i[55202,55215] [2023-05-20 06:36:26,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 06:36:26,952 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 06:36:26,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s.i[55202,55215] [2023-05-20 06:36:27,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 06:36:27,053 INFO L208 MainTranslator]: Completed translation [2023-05-20 06:36:27,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:36:27 WrapperNode [2023-05-20 06:36:27,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 06:36:27,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 06:36:27,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 06:36:27,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 06:36:27,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:36:27" (1/1) ... [2023-05-20 06:36:27,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:36:27" (1/1) ... [2023-05-20 06:36:27,105 INFO L138 Inliner]: procedures = 323, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2023-05-20 06:36:27,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 06:36:27,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 06:36:27,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 06:36:27,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 06:36:27,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:36:27" (1/1) ... [2023-05-20 06:36:27,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:36:27" (1/1) ... [2023-05-20 06:36:27,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:36:27" (1/1) ... [2023-05-20 06:36:27,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:36:27" (1/1) ... [2023-05-20 06:36:27,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:36:27" (1/1) ... [2023-05-20 06:36:27,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:36:27" (1/1) ... [2023-05-20 06:36:27,138 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:36:27" (1/1) ... [2023-05-20 06:36:27,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:36:27" (1/1) ... [2023-05-20 06:36:27,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 06:36:27,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 06:36:27,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 06:36:27,149 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 06:36:27,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:36:27" (1/1) ... [2023-05-20 06:36:27,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 06:36:27,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:36:27,180 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) [2023-05-20 06:36:27,182 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 [2023-05-20 06:36:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 06:36:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 06:36:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-05-20 06:36:27,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 06:36:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 06:36:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 06:36:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 06:36:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 06:36:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 06:36:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 06:36:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 06:36:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 06:36:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 06:36:27,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 06:36:27,223 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 06:36:27,378 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 06:36:27,380 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 06:36:27,587 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 06:36:27,593 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 06:36:27,593 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-05-20 06:36:27,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 06:36:27 BoogieIcfgContainer [2023-05-20 06:36:27,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 06:36:27,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 06:36:27,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 06:36:27,601 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 06:36:27,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 06:36:26" (1/3) ... [2023-05-20 06:36:27,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62214937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 06:36:27, skipping insertion in model container [2023-05-20 06:36:27,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:36:27" (2/3) ... [2023-05-20 06:36:27,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62214937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 06:36:27, skipping insertion in model container [2023-05-20 06:36:27,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 06:36:27" (3/3) ... [2023-05-20 06:36:27,604 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2023-05-20 06:36:27,616 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 06:36:27,625 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 06:36:27,626 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 06:36:27,626 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 06:36:27,716 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-20 06:36:27,770 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 06:36:27,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 06:36:27,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:36:27,777 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) [2023-05-20 06:36:27,794 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 [2023-05-20 06:36:27,815 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 06:36:27,832 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 06:36:27,841 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;@4c1f3c13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 06:36:27,841 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-20 06:36:27,981 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:36:27,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:36:27,986 INFO L85 PathProgramCache]: Analyzing trace with hash 703775902, now seen corresponding path program 1 times [2023-05-20 06:36:27,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:36:27,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662542281] [2023-05-20 06:36:27,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:36:27,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:36:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:36:28,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:36:28,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:36:28,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662542281] [2023-05-20 06:36:28,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662542281] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 06:36:28,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 06:36:28,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-20 06:36:28,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570536607] [2023-05-20 06:36:28,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 06:36:28,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-20 06:36:28,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:36:28,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-20 06:36:28,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-20 06:36:28,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:36:28,470 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:36:28,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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) [2023-05-20 06:36:28,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:36:28,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:36:28,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 06:36:28,575 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:36:28,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:36:28,576 INFO L85 PathProgramCache]: Analyzing trace with hash 722512245, now seen corresponding path program 1 times [2023-05-20 06:36:28,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:36:28,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336644240] [2023-05-20 06:36:28,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:36:28,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:36:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:36:29,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:36:29,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:36:29,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336644240] [2023-05-20 06:36:29,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336644240] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 06:36:29,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 06:36:29,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-05-20 06:36:29,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076770180] [2023-05-20 06:36:29,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 06:36:29,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-20 06:36:29,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:36:29,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-20 06:36:29,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-05-20 06:36:29,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:36:29,261 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:36:29,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 11 states have internal predecessors, (74), 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) [2023-05-20 06:36:29,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:36:29,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:36:29,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:36:29,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 06:36:29,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 06:36:29,512 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:36:29,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:36:29,513 INFO L85 PathProgramCache]: Analyzing trace with hash -77639225, now seen corresponding path program 1 times [2023-05-20 06:36:29,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:36:29,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728607350] [2023-05-20 06:36:29,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:36:29,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:36:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:36:30,332 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:36:30,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:36:30,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728607350] [2023-05-20 06:36:30,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728607350] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:36:30,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038091785] [2023-05-20 06:36:30,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:36:30,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:36:30,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:36:30,337 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 06:36:30,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 06:36:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:36:30,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 49 conjunts are in the unsatisfiable core [2023-05-20 06:36:30,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:36:30,664 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-05-20 06:36:30,664 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-05-20 06:36:30,735 INFO L356 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-05-20 06:36:30,735 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2023-05-20 06:36:30,781 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-20 06:36:30,919 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-20 06:36:31,101 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 06:36:31,110 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-05-20 06:36:31,110 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2023-05-20 06:36:31,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 06:36:31,256 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 06:36:31,260 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-20 06:36:31,261 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2023-05-20 06:36:31,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 06:36:31,351 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-20 06:36:31,351 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2023-05-20 06:36:31,443 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-20 06:36:31,443 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2023-05-20 06:36:31,518 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:36:31,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 06:36:47,610 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2023-05-20 06:36:47,663 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 06:36:47,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038091785] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 06:36:47,664 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 06:36:47,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 21, 19] total 47 [2023-05-20 06:36:47,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406273042] [2023-05-20 06:36:47,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 06:36:47,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2023-05-20 06:36:47,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:36:47,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2023-05-20 06:36:47,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=1981, Unknown=5, NotChecked=0, Total=2162 [2023-05-20 06:36:47,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:36:47,668 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:36:47,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 4.723404255319149) internal successors, (222), 47 states have internal predecessors, (222), 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) [2023-05-20 06:36:47,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:36:47,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 06:36:47,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:36:49,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:36:49,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 06:36:49,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 06:36:49,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-20 06:36:49,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-05-20 06:36:49,773 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:36:49,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:36:49,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1091341487, now seen corresponding path program 2 times [2023-05-20 06:36:49,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:36:49,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861922238] [2023-05-20 06:36:49,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:36:49,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:36:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:36:50,734 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:36:50,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:36:50,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861922238] [2023-05-20 06:36:50,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861922238] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:36:50,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639509175] [2023-05-20 06:36:50,735 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 06:36:50,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:36:50,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:36:50,737 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 06:36:50,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 06:36:50,836 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 06:36:50,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 06:36:50,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 42 conjunts are in the unsatisfiable core [2023-05-20 06:36:50,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:36:50,906 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-05-20 06:36:50,907 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-05-20 06:36:50,969 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-05-20 06:36:50,970 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2023-05-20 06:36:51,067 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-20 06:36:51,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 06:36:51,173 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-20 06:36:51,174 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 14 [2023-05-20 06:36:51,315 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-20 06:36:51,440 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-20 06:36:51,528 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-20 06:36:51,599 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-20 06:36:51,674 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-20 06:36:51,747 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-05-20 06:36:51,771 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:36:51,772 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 06:36:51,861 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_111 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_111) |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.base|) (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.offset| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14#1| 1)))) is different from false [2023-05-20 06:36:51,870 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_111 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_111) |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.base|) (+ 2 |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.offset| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14#1|)))) is different from false [2023-05-20 06:36:51,887 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_111 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_111) |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.base|) (+ 3 |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.offset| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14#1|)))) is different from false [2023-05-20 06:36:51,970 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_111 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_111) |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.base|) (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.offset| 4)))) is different from false [2023-05-20 06:36:52,762 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 974 treesize of output 938 [2023-05-20 06:36:52,786 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 934 treesize of output 870 [2023-05-20 06:36:52,810 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 870 treesize of output 854 [2023-05-20 06:36:52,830 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 854 treesize of output 822 [2023-05-20 06:36:56,266 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 30 not checked. [2023-05-20 06:36:56,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639509175] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 06:36:56,266 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 06:36:56,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 18, 18] total 47 [2023-05-20 06:36:56,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39134964] [2023-05-20 06:36:56,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 06:36:56,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2023-05-20 06:36:56,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:36:56,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2023-05-20 06:36:56,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=1644, Unknown=10, NotChecked=340, Total=2162 [2023-05-20 06:36:56,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:36:56,269 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:36:56,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 4.48936170212766) internal successors, (211), 47 states have internal predecessors, (211), 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) [2023-05-20 06:36:56,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:36:56,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 06:36:56,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 06:36:56,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:36:57,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:36:57,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 06:36:57,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 06:36:57,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 06:36:57,886 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-20 06:36:58,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:36:58,062 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:36:58,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:36:58,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1828293623, now seen corresponding path program 3 times [2023-05-20 06:36:58,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:36:58,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617866107] [2023-05-20 06:36:58,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:36:58,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:36:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:36:59,002 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:36:59,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:36:59,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617866107] [2023-05-20 06:36:59,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617866107] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:36:59,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969034713] [2023-05-20 06:36:59,003 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 06:36:59,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:36:59,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:36:59,005 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 06:36:59,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 06:36:59,167 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2023-05-20 06:36:59,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 06:36:59,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 65 conjunts are in the unsatisfiable core [2023-05-20 06:36:59,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:36:59,392 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-05-20 06:36:59,393 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2023-05-20 06:36:59,454 INFO L356 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2023-05-20 06:36:59,455 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2023-05-20 06:36:59,523 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-20 06:36:59,693 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-20 06:36:59,879 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 06:36:59,888 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-05-20 06:36:59,888 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2023-05-20 06:37:00,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 06:37:00,035 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 06:37:00,037 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-20 06:37:00,037 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2023-05-20 06:37:00,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 06:37:00,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 06:37:00,120 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 06:37:00,122 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-20 06:37:00,122 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2023-05-20 06:37:00,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 06:37:00,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 06:37:00,204 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 06:37:00,206 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-20 06:37:00,208 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2023-05-20 06:37:00,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 06:37:00,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 06:37:00,306 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 06:37:00,309 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-20 06:37:00,309 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2023-05-20 06:37:00,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 06:37:00,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 06:37:00,427 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 06:37:00,430 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-20 06:37:00,431 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2023-05-20 06:37:00,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 06:37:00,520 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-20 06:37:00,520 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2023-05-20 06:37:00,630 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-20 06:37:00,630 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2023-05-20 06:37:00,735 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 32 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:37:00,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 06:37:20,797 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_168 Int) (v_ArrVal_175 Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14#1_42| Int) (v_ArrVal_173 Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14#1_39| Int)) (or (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14#1_42| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14#1_39|)) (not (<= (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14#1| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14#1_42|)) (= 66 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| (store (store (store (select |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base|) (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14#1|) v_ArrVal_168) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14#1_42| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_173) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14#1_39| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_175)) c_~v~0.base) c_~v~0.offset)))) is different from false [2023-05-20 06:38:54,033 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 06:38:54,034 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1310 treesize of output 1284 [2023-05-20 06:38:54,052 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6142 treesize of output 6094 [2023-05-20 06:38:54,119 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11018 treesize of output 11002 [2023-05-20 06:45:22,163 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 31 proven. 16 refuted. 7 times theorem prover too weak. 12 trivial. 12 not checked. [2023-05-20 06:45:22,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969034713] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 06:45:22,163 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 06:45:22,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 27, 25] total 64 [2023-05-20 06:45:22,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439224778] [2023-05-20 06:45:22,164 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 06:45:22,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-05-20 06:45:22,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:45:22,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-05-20 06:45:22,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=3544, Unknown=54, NotChecked=122, Total=4032 [2023-05-20 06:45:22,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:45:22,166 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:45:22,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 4.25) internal successors, (272), 64 states have internal predecessors, (272), 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) [2023-05-20 06:45:22,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:45:22,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 06:45:22,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 06:45:22,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 06:45:22,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:45:29,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:45:29,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 06:45:29,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-20 06:45:29,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 06:45:29,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-20 06:45:29,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-20 06:45:29,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-20 06:45:29,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-20 06:45:29,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-20 06:45:29,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:45:29,497 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2023-05-20 06:45:29,499 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 06:45:29,500 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 06:45:29,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 06:45:29 BasicIcfg [2023-05-20 06:45:29,502 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 06:45:29,502 INFO L158 Benchmark]: Toolchain (without parser) took 543330.38ms. Allocated memory was 177.2MB in the beginning and 740.3MB in the end (delta: 563.1MB). Free memory was 141.9MB in the beginning and 349.6MB in the end (delta: -207.7MB). Peak memory consumption was 354.3MB. Max. memory is 8.0GB. [2023-05-20 06:45:29,502 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 177.2MB. Free memory was 131.1MB in the beginning and 131.0MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 06:45:29,503 INFO L158 Benchmark]: CACSL2BoogieTranslator took 860.35ms. Allocated memory was 177.2MB in the beginning and 255.9MB in the end (delta: 78.6MB). Free memory was 141.6MB in the beginning and 202.3MB in the end (delta: -60.7MB). Peak memory consumption was 19.5MB. Max. memory is 8.0GB. [2023-05-20 06:45:29,503 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.33ms. Allocated memory is still 255.9MB. Free memory was 202.3MB in the beginning and 200.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 06:45:29,503 INFO L158 Benchmark]: Boogie Preprocessor took 40.63ms. Allocated memory is still 255.9MB. Free memory was 200.0MB in the beginning and 198.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 06:45:29,504 INFO L158 Benchmark]: RCFGBuilder took 446.79ms. Allocated memory is still 255.9MB. Free memory was 198.5MB in the beginning and 183.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-05-20 06:45:29,504 INFO L158 Benchmark]: TraceAbstraction took 541904.26ms. Allocated memory was 255.9MB in the beginning and 740.3MB in the end (delta: 484.4MB). Free memory was 182.8MB in the beginning and 349.6MB in the end (delta: -166.8MB). Peak memory consumption was 318.1MB. Max. memory is 8.0GB. [2023-05-20 06:45:29,505 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 177.2MB. Free memory was 131.1MB in the beginning and 131.0MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 860.35ms. Allocated memory was 177.2MB in the beginning and 255.9MB in the end (delta: 78.6MB). Free memory was 141.6MB in the beginning and 202.3MB in the end (delta: -60.7MB). Peak memory consumption was 19.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.33ms. Allocated memory is still 255.9MB. Free memory was 202.3MB in the beginning and 200.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.63ms. Allocated memory is still 255.9MB. Free memory was 200.0MB in the beginning and 198.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 446.79ms. Allocated memory is still 255.9MB. Free memory was 198.5MB in the beginning and 183.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 541904.26ms. Allocated memory was 255.9MB in the beginning and 740.3MB in the end (delta: 484.4MB). Free memory was 182.8MB in the beginning and 349.6MB in the end (delta: -166.8MB). Peak memory consumption was 318.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1722, independent: 959, independent conditional: 432, independent unconditional: 527, dependent: 763, dependent conditional: 755, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 979, independent: 959, independent conditional: 432, independent unconditional: 527, dependent: 20, dependent conditional: 12, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 979, independent: 959, independent conditional: 432, independent unconditional: 527, dependent: 20, dependent conditional: 12, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1046, independent: 959, independent conditional: 7, independent unconditional: 952, dependent: 87, dependent conditional: 60, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1046, independent: 959, independent conditional: 7, independent unconditional: 952, dependent: 87, dependent conditional: 36, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1046, independent: 959, independent conditional: 7, independent unconditional: 952, dependent: 87, dependent conditional: 36, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 541, independent: 518, independent conditional: 3, independent unconditional: 515, dependent: 23, dependent conditional: 15, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 541, independent: 514, independent conditional: 0, independent unconditional: 514, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 4, independent conditional: 3, independent unconditional: 1, dependent: 23, dependent conditional: 15, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 4, independent conditional: 3, independent unconditional: 1, dependent: 23, dependent conditional: 15, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 129, independent: 53, independent conditional: 10, independent unconditional: 42, dependent: 76, dependent conditional: 57, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1046, independent: 441, independent conditional: 4, independent unconditional: 437, dependent: 64, dependent conditional: 21, dependent unconditional: 43, unknown: 541, unknown conditional: 18, unknown unconditional: 523] , Statistics on independence cache: Total cache size (in pairs): 541, Positive cache size: 518, Positive conditional cache size: 3, Positive unconditional cache size: 515, Negative cache size: 23, Negative conditional cache size: 15, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24, Maximal queried relation: 5, Independence queries for same thread: 743 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 179, Number of trivial persistent sets: 138, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 535, independent: 527, independent conditional: 0, independent unconditional: 527, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1722, independent: 959, independent conditional: 432, independent unconditional: 527, dependent: 763, dependent conditional: 755, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 979, independent: 959, independent conditional: 432, independent unconditional: 527, dependent: 20, dependent conditional: 12, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 979, independent: 959, independent conditional: 432, independent unconditional: 527, dependent: 20, dependent conditional: 12, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1046, independent: 959, independent conditional: 7, independent unconditional: 952, dependent: 87, dependent conditional: 60, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1046, independent: 959, independent conditional: 7, independent unconditional: 952, dependent: 87, dependent conditional: 36, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1046, independent: 959, independent conditional: 7, independent unconditional: 952, dependent: 87, dependent conditional: 36, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 541, independent: 518, independent conditional: 3, independent unconditional: 515, dependent: 23, dependent conditional: 15, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 541, independent: 514, independent conditional: 0, independent unconditional: 514, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 4, independent conditional: 3, independent unconditional: 1, dependent: 23, dependent conditional: 15, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 4, independent conditional: 3, independent unconditional: 1, dependent: 23, dependent conditional: 15, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 129, independent: 53, independent conditional: 10, independent unconditional: 42, dependent: 76, dependent conditional: 57, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1046, independent: 441, independent conditional: 4, independent unconditional: 437, dependent: 64, dependent conditional: 21, dependent unconditional: 43, unknown: 541, unknown conditional: 18, unknown unconditional: 523] , Statistics on independence cache: Total cache size (in pairs): 541, Positive cache size: 518, Positive conditional cache size: 3, Positive unconditional cache size: 515, Negative cache size: 23, Negative conditional cache size: 15, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24, Maximal queried relation: 5, Independence queries for same thread: 743 - PositiveResult [Line: 1107]: 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 5 procedures, 118 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 541.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 11.1s, 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: 141, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 529.1s InterpolantComputationTime, 676 NumberOfCodeBlocks, 676 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 935 ConstructedInterpolants, 168 QuantifiedInterpolants, 15392 SizeOfPredicates, 49 NumberOfNonLiveVariables, 735 ConjunctsInSsa, 156 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 79/372 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! [2023-05-20 06:45:29,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-20 06:45:29,755 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...