/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 X --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/bigshot_s.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 13:32:18,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 13:32:18,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 13:32:18,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-04 13:32:18,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 13:32:18,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 13:32:18,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 13:32:18,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 13:32:18,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 13:32:18,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 13:32:18,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 13:32:18,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 13:32:18,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 13:32:18,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 13:32:18,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 13:32:18,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 13:32:18,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-04 13:32:18,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 13:32:18,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 13:32:18,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 13:32:18,420 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 13:32:18,446 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 13:32:18,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 13:32:18,447 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 13:32:18,447 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 13:32:18,448 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 13:32:18,448 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 13:32:18,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 13:32:18,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 13:32:18,448 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 13:32:18,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 13:32:18,449 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 13:32:18,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 13:32:18,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 13:32:18,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 13:32:18,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 13:32:18,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 13:32:18,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 13:32:18,450 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 13:32:18,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 13:32:18,450 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 13:32:18,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 13:32:18,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 13:32:18,451 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 13:32:18,451 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 13:32:18,451 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 13:32:18,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 13:32:18,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 13:32:18,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 13:32:18,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 13:32:18,452 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 13:32:18,452 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 13:32:18,452 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 13:32:18,452 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 13:32:18,452 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 13:32:18,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 13:32:18,453 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 13:32:18,453 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-04 13:32:18,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 13:32:18,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 13:32:18,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 13:32:18,713 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 13:32:18,714 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 13:32:18,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/bigshot_s.i [2023-05-04 13:32:18,779 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af28db49e/cfbd4bcca52d4badac72b2301f455630/FLAGfb3e825ed [2023-05-04 13:32:19,247 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 13:32:19,248 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s.i [2023-05-04 13:32:19,266 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af28db49e/cfbd4bcca52d4badac72b2301f455630/FLAGfb3e825ed [2023-05-04 13:32:19,529 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af28db49e/cfbd4bcca52d4badac72b2301f455630 [2023-05-04 13:32:19,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 13:32:19,531 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 13:32:19,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 13:32:19,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 13:32:19,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 13:32:19,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 01:32:19" (1/1) ... [2023-05-04 13:32:19,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e1bc8e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:32:19, skipping insertion in model container [2023-05-04 13:32:19,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 01:32:19" (1/1) ... [2023-05-04 13:32:19,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 13:32:19,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 13:32:19,979 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] [2023-05-04 13:32:20,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 13:32:20,013 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 13:32:20,053 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] [2023-05-04 13:32:20,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 13:32:20,122 INFO L208 MainTranslator]: Completed translation [2023-05-04 13:32:20,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:32:20 WrapperNode [2023-05-04 13:32:20,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 13:32:20,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 13:32:20,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 13:32:20,125 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 13:32:20,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:32:20" (1/1) ... [2023-05-04 13:32:20,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:32:20" (1/1) ... [2023-05-04 13:32:20,180 INFO L138 Inliner]: procedures = 323, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2023-05-04 13:32:20,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 13:32:20,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 13:32:20,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 13:32:20,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 13:32:20,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:32:20" (1/1) ... [2023-05-04 13:32:20,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:32:20" (1/1) ... [2023-05-04 13:32:20,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:32:20" (1/1) ... [2023-05-04 13:32:20,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:32:20" (1/1) ... [2023-05-04 13:32:20,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:32:20" (1/1) ... [2023-05-04 13:32:20,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:32:20" (1/1) ... [2023-05-04 13:32:20,212 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:32:20" (1/1) ... [2023-05-04 13:32:20,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:32:20" (1/1) ... [2023-05-04 13:32:20,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 13:32:20,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 13:32:20,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 13:32:20,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 13:32:20,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:32:20" (1/1) ... [2023-05-04 13:32:20,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 13:32:20,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 13:32:20,272 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) [2023-05-04 13:32:20,299 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 [2023-05-04 13:32:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 13:32:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 13:32:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-05-04 13:32:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 13:32:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 13:32:20,314 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 13:32:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 13:32:20,315 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 13:32:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 13:32:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 13:32:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 13:32:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 13:32:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 13:32:20,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 13:32:20,316 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 13:32:20,497 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 13:32:20,512 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 13:32:20,696 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 13:32:20,702 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 13:32:20,702 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-05-04 13:32:20,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 01:32:20 BoogieIcfgContainer [2023-05-04 13:32:20,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 13:32:20,706 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 13:32:20,706 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 13:32:20,709 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 13:32:20,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 01:32:19" (1/3) ... [2023-05-04 13:32:20,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a88e064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 01:32:20, skipping insertion in model container [2023-05-04 13:32:20,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:32:20" (2/3) ... [2023-05-04 13:32:20,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a88e064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 01:32:20, skipping insertion in model container [2023-05-04 13:32:20,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 01:32:20" (3/3) ... [2023-05-04 13:32:20,712 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2023-05-04 13:32:20,720 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 13:32:20,731 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 13:32:20,732 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 13:32:20,732 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 13:32:20,814 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 13:32:20,852 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 13:32:20,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 13:32:20,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 13:32:20,854 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) [2023-05-04 13:32:20,855 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 [2023-05-04 13:32:20,894 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 13:32:20,921 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 13:32:20,930 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;@7a0ece71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 13:32:20,931 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 13:32:21,055 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 13:32:21,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:32:21,059 INFO L85 PathProgramCache]: Analyzing trace with hash 2103052716, now seen corresponding path program 1 times [2023-05-04 13:32:21,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:32:21,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044941825] [2023-05-04 13:32:21,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:32:21,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:32:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:32:21,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 13:32:21,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:32:21,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044941825] [2023-05-04 13:32:21,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044941825] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 13:32:21,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 13:32:21,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 13:32:21,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318400388] [2023-05-04 13:32:21,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 13:32:21,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 13:32:21,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:32:21,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 13:32:21,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 13:32:21,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:32:21,489 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:32:21,490 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) [2023-05-04 13:32:21,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:32:21,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 13:32:21,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 13:32:21,598 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 13:32:21,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:32:21,600 INFO L85 PathProgramCache]: Analyzing trace with hash -858392859, now seen corresponding path program 1 times [2023-05-04 13:32:21,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:32:21,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660115017] [2023-05-04 13:32:21,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:32:21,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:32:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:32:22,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 13:32:22,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:32:22,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660115017] [2023-05-04 13:32:22,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660115017] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 13:32:22,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 13:32:22,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-05-04 13:32:22,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160002475] [2023-05-04 13:32:22,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 13:32:22,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-05-04 13:32:22,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:32:22,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-05-04 13:32:22,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-05-04 13:32:22,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:32:22,351 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:32:22,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 12 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) [2023-05-04 13:32:22,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 13:32:22,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:32:22,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 13:32:22,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 13:32:22,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 13:32:22,635 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 13:32:22,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:32:22,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1029776321, now seen corresponding path program 1 times [2023-05-04 13:32:22,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:32:22,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664337550] [2023-05-04 13:32:22,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:32:22,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:32:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:32:23,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 13:32:23,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:32:23,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664337550] [2023-05-04 13:32:23,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664337550] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 13:32:23,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162734725] [2023-05-04 13:32:23,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:32:23,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 13:32:23,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 13:32:23,289 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) [2023-05-04 13:32:23,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 13:32:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:32:23,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 44 conjunts are in the unsatisfiable core [2023-05-04 13:32:23,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 13:32:23,607 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-05-04 13:32:23,608 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 [2023-05-04 13:32:23,659 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 13:32:23,660 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 11 treesize of output 11 [2023-05-04 13:32:23,716 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 [2023-05-04 13:32:23,868 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 [2023-05-04 13:32:24,065 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:32:24,073 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-05-04 13:32:24,073 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 [2023-05-04 13:32:24,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:32:24,185 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 13:32:24,186 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 32 treesize of output 30 [2023-05-04 13:32:24,266 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 13:32:24,266 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 [2023-05-04 13:32:24,347 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 13:32:24,347 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 13:32:25,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 13:32:25,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162734725] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 13:32:25,310 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 13:32:25,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 20, 18] total 43 [2023-05-04 13:32:25,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754074496] [2023-05-04 13:32:25,310 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 13:32:25,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-05-04 13:32:25,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:32:25,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-05-04 13:32:25,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1659, Unknown=0, NotChecked=0, Total=1806 [2023-05-04 13:32:25,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:32:25,313 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:32:25,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 4.813953488372093) internal successors, (207), 43 states have internal predecessors, (207), 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) [2023-05-04 13:32:25,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 13:32:25,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 13:32:25,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:32:26,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 13:32:26,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 13:32:26,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 13:32:26,398 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-04 13:32:26,575 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 [2023-05-04 13:32:26,576 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 13:32:26,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:32:26,576 INFO L85 PathProgramCache]: Analyzing trace with hash -872344711, now seen corresponding path program 2 times [2023-05-04 13:32:26,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:32:26,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679639765] [2023-05-04 13:32:26,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:32:26,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:32:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:32:27,211 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 13:32:27,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:32:27,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679639765] [2023-05-04 13:32:27,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679639765] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 13:32:27,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408685156] [2023-05-04 13:32:27,212 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 13:32:27,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 13:32:27,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 13:32:27,217 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) [2023-05-04 13:32:27,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 13:32:27,315 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 13:32:27,315 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 13:32:27,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 36 conjunts are in the unsatisfiable core [2023-05-04 13:32:27,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 13:32:27,413 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-05-04 13:32:27,414 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 [2023-05-04 13:32:27,486 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-05-04 13:32:27,486 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 [2023-05-04 13:32:27,563 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 [2023-05-04 13:32:27,620 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 13:32:27,620 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 11 treesize of output 11 [2023-05-04 13:32:27,712 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 [2023-05-04 13:32:27,847 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 [2023-05-04 13:32:27,915 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 [2023-05-04 13:32:27,979 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 [2023-05-04 13:32:28,063 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 [2023-05-04 13:32:28,085 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 13:32:28,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 13:32:28,156 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_100 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_100) |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 [2023-05-04 13:32:28,165 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_100 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_100) |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 [2023-05-04 13:32:28,931 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 242 treesize of output 230 [2023-05-04 13:32:28,940 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 226 treesize of output 218 [2023-05-04 13:32:28,949 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 218 treesize of output 202 [2023-05-04 13:32:28,959 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 202 treesize of output 198 [2023-05-04 13:32:29,782 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 15 not checked. [2023-05-04 13:32:29,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408685156] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 13:32:29,782 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 13:32:29,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 17] total 45 [2023-05-04 13:32:29,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20055543] [2023-05-04 13:32:29,782 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 13:32:29,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-05-04 13:32:29,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:32:29,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-05-04 13:32:29,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1623, Unknown=14, NotChecked=166, Total=1980 [2023-05-04 13:32:29,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:32:29,785 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:32:29,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 4.488888888888889) internal successors, (202), 45 states have internal predecessors, (202), 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) [2023-05-04 13:32:29,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 13:32:29,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 13:32:29,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 13:32:29,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:32:30,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 13:32:30,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 13:32:30,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 13:32:30,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 13:32:30,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 13:32:30,921 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 [2023-05-04 13:32:30,921 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 13:32:30,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:32:30,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1103353429, now seen corresponding path program 3 times [2023-05-04 13:32:30,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:32:30,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979814692] [2023-05-04 13:32:30,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:32:30,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:32:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:32:31,657 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 13:32:31,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:32:31,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979814692] [2023-05-04 13:32:31,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979814692] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 13:32:31,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87762405] [2023-05-04 13:32:31,658 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 13:32:31,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 13:32:31,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 13:32:31,661 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) [2023-05-04 13:32:31,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 13:32:31,761 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-05-04 13:32:31,762 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 13:32:31,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 43 conjunts are in the unsatisfiable core [2023-05-04 13:32:31,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 13:32:31,919 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-05-04 13:32:31,919 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 [2023-05-04 13:32:31,982 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-05-04 13:32:31,983 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 [2023-05-04 13:32:32,071 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 [2023-05-04 13:32:32,162 INFO L356 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-05-04 13:32:32,162 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 [2023-05-04 13:32:32,371 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 [2023-05-04 13:32:32,547 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 [2023-05-04 13:32:32,618 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 [2023-05-04 13:32:32,691 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 [2023-05-04 13:32:32,761 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 [2023-05-04 13:32:32,837 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 [2023-05-04 13:32:32,861 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 13:32:32,861 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 13:32:32,944 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_148 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_148) |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 [2023-05-04 13:32:32,952 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_148 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_148) |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 [2023-05-04 13:32:32,965 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_148 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_148) |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 [2023-05-04 13:32:32,976 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_148 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_148) |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.base|) (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.offset| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14#1| 4)))) is different from false [2023-05-04 13:32:32,988 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_148 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_148) |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.base|) (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.offset| 4)))) is different from false [2023-05-04 13:32:33,689 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 120 treesize of output 112 [2023-05-04 13:32:33,696 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 108 treesize of output 100 [2023-05-04 13:32:33,704 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 100 treesize of output 96 [2023-05-04 13:32:33,711 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 48 treesize of output 46 [2023-05-04 13:32:34,135 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 35 not checked. [2023-05-04 13:32:34,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87762405] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 13:32:34,135 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 13:32:34,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 20, 18] total 51 [2023-05-04 13:32:34,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806058976] [2023-05-04 13:32:34,136 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 13:32:34,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-05-04 13:32:34,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:32:34,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-05-04 13:32:34,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=1894, Unknown=7, NotChecked=460, Total=2550 [2023-05-04 13:32:34,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:32:34,140 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:32:34,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 4.372549019607843) internal successors, (223), 51 states have internal predecessors, (223), 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) [2023-05-04 13:32:34,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 13:32:34,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 13:32:34,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 13:32:34,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 13:32:34,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:32:35,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 13:32:35,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 13:32:35,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 13:32:35,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 13:32:35,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 13:32:35,281 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-04 13:32:35,473 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 [2023-05-04 13:32:35,473 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 13:32:35,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:32:35,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1066284239, now seen corresponding path program 4 times [2023-05-04 13:32:35,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:32:35,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683347561] [2023-05-04 13:32:35,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:32:35,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:32:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:32:36,248 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 13:32:36,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:32:36,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683347561] [2023-05-04 13:32:36,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683347561] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 13:32:36,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133891699] [2023-05-04 13:32:36,249 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 13:32:36,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 13:32:36,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 13:32:36,253 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 13:32:36,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 13:32:36,376 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 13:32:36,377 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 13:32:36,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 58 conjunts are in the unsatisfiable core [2023-05-04 13:32:36,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 13:32:36,457 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-05-04 13:32:36,457 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 [2023-05-04 13:32:36,484 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 13:32:36,485 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 11 treesize of output 11 [2023-05-04 13:32:36,516 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 [2023-05-04 13:32:36,619 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 [2023-05-04 13:32:36,805 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:32:36,813 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-05-04 13:32:36,813 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 [2023-05-04 13:32:36,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:32:36,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:32:36,907 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:32:36,910 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 13:32:36,910 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 [2023-05-04 13:32:36,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:32:36,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:32:36,976 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:32:36,978 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 13:32:36,978 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 [2023-05-04 13:32:37,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:32:37,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:32:37,046 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:32:37,048 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 13:32:37,048 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 [2023-05-04 13:32:37,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:32:37,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:32:37,119 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:32:37,121 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 13:32:37,121 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 [2023-05-04 13:32:37,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:32:37,191 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 13:32:37,192 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 [2023-05-04 13:32:37,279 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 13:32:37,279 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 [2023-05-04 13:32:37,378 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 2 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 13:32:37,378 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 13:33:01,476 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 13:33:01,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133891699] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 13:33:01,476 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 13:33:01,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 24, 20] total 52 [2023-05-04 13:33:01,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008215810] [2023-05-04 13:33:01,476 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 13:33:01,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-05-04 13:33:01,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:33:01,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-05-04 13:33:01,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=2428, Unknown=2, NotChecked=0, Total=2652 [2023-05-04 13:33:01,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:33:01,478 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:33:01,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 4.6923076923076925) internal successors, (244), 52 states have internal predecessors, (244), 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) [2023-05-04 13:33:01,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 13:33:01,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 13:33:01,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 13:33:01,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 13:33:01,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 13:33:01,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:33:05,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 13:33:05,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 13:33:05,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 13:33:05,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 13:33:05,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-04 13:33:05,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-04 13:33:05,904 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-05-04 13:33:06,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 13:33:06,093 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 13:33:06,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:33:06,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1358590325, now seen corresponding path program 5 times [2023-05-04 13:33:06,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:33:06,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830530325] [2023-05-04 13:33:06,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:33:06,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:33:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:33:06,930 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 13:33:06,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:33:06,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830530325] [2023-05-04 13:33:06,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830530325] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 13:33:06,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132576249] [2023-05-04 13:33:06,930 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 13:33:06,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 13:33:06,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 13:33:06,932 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 13:33:06,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 13:33:07,020 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2023-05-04 13:33:07,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 13:33:07,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 59 conjunts are in the unsatisfiable core [2023-05-04 13:33:07,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 13:33:07,101 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-05-04 13:33:07,101 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 [2023-05-04 13:33:07,129 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 13:33:07,129 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 11 treesize of output 11 [2023-05-04 13:33:07,156 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 [2023-05-04 13:33:07,275 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 [2023-05-04 13:33:07,439 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:33:07,446 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-05-04 13:33:07,446 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 [2023-05-04 13:33:07,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:33:07,543 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:33:07,546 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 13:33:07,546 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 [2023-05-04 13:33:07,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:33:07,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:33:07,638 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:33:07,640 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 13:33:07,640 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 [2023-05-04 13:33:07,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:33:07,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:33:07,718 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:33:07,720 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 13:33:07,720 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 [2023-05-04 13:33:07,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:33:07,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:33:07,805 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:33:07,808 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 13:33:07,808 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 [2023-05-04 13:33:07,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:33:07,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:33:07,902 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 13:33:07,905 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 13:33:07,906 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 [2023-05-04 13:33:08,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 13:33:08,020 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 13:33:08,021 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 [2023-05-04 13:33:08,105 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 13:33:08,105 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 [2023-05-04 13:33:08,210 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 32 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 13:33:08,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 13:34:07,019 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 10 proven. 18 refuted. 26 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 13:34:07,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132576249] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 13:34:07,019 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 13:34:07,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 25, 22] total 56 [2023-05-04 13:34:07,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030477142] [2023-05-04 13:34:07,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 13:34:07,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2023-05-04 13:34:07,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:34:07,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2023-05-04 13:34:07,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=2800, Unknown=15, NotChecked=0, Total=3080 [2023-05-04 13:34:07,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:34:07,022 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:34:07,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 4.571428571428571) internal successors, (256), 56 states have internal predecessors, (256), 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) [2023-05-04 13:34:07,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 13:34:07,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 13:34:07,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 13:34:07,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 13:34:07,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-04 13:34:07,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-04 13:34:07,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:34:10,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 13:34:10,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 13:34:10,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 13:34:10,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 13:34:10,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-04 13:34:10,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-04 13:34:10,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-04 13:34:10,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 13:34:10,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 13:34:10,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 13:34:10,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 13:34:11,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 13:34:11,131 INFO L444 BasicCegarLoop]: Path program histogram: [5, 1, 1] [2023-05-04 13:34:11,133 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 13:34:11,133 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 13:34:11,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 01:34:11 BasicIcfg [2023-05-04 13:34:11,135 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 13:34:11,135 INFO L158 Benchmark]: Toolchain (without parser) took 111603.74ms. Allocated memory was 270.5MB in the beginning and 468.7MB in the end (delta: 198.2MB). Free memory was 240.3MB in the beginning and 414.5MB in the end (delta: -174.1MB). Peak memory consumption was 284.9MB. Max. memory is 8.0GB. [2023-05-04 13:34:11,135 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 13:34:11,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 590.78ms. Allocated memory is still 270.5MB. Free memory was 240.3MB in the beginning and 216.5MB in the end (delta: 23.8MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2023-05-04 13:34:11,135 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.11ms. Allocated memory is still 270.5MB. Free memory was 216.5MB in the beginning and 214.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 13:34:11,136 INFO L158 Benchmark]: Boogie Preprocessor took 44.39ms. Allocated memory is still 270.5MB. Free memory was 214.4MB in the beginning and 212.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 13:34:11,136 INFO L158 Benchmark]: RCFGBuilder took 475.13ms. Allocated memory is still 270.5MB. Free memory was 212.3MB in the beginning and 198.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-05-04 13:34:11,136 INFO L158 Benchmark]: TraceAbstraction took 110428.81ms. Allocated memory was 270.5MB in the beginning and 468.7MB in the end (delta: 198.2MB). Free memory was 197.1MB in the beginning and 414.5MB in the end (delta: -217.3MB). Peak memory consumption was 242.5MB. Max. memory is 8.0GB. [2023-05-04 13:34:11,137 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 590.78ms. Allocated memory is still 270.5MB. Free memory was 240.3MB in the beginning and 216.5MB in the end (delta: 23.8MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.11ms. Allocated memory is still 270.5MB. Free memory was 216.5MB in the beginning and 214.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.39ms. Allocated memory is still 270.5MB. Free memory was 214.4MB in the beginning and 212.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 475.13ms. Allocated memory is still 270.5MB. Free memory was 212.3MB in the beginning and 198.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 110428.81ms. Allocated memory was 270.5MB in the beginning and 468.7MB in the end (delta: 198.2MB). Free memory was 197.1MB in the beginning and 414.5MB in the end (delta: -217.3MB). Peak memory consumption was 242.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 999, independent: 873, independent conditional: 333, independent unconditional: 540, dependent: 123, dependent conditional: 115, dependent unconditional: 8, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 892, independent: 873, independent conditional: 333, independent unconditional: 540, dependent: 16, dependent conditional: 8, dependent unconditional: 8, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 892, independent: 873, independent conditional: 333, independent unconditional: 540, dependent: 16, dependent conditional: 8, dependent unconditional: 8, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 959, independent: 873, independent conditional: 0, independent unconditional: 873, dependent: 81, dependent conditional: 62, dependent unconditional: 19, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 959, independent: 873, independent conditional: 0, independent unconditional: 873, dependent: 81, dependent conditional: 44, dependent unconditional: 37, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 959, independent: 873, independent conditional: 0, independent unconditional: 873, dependent: 81, dependent conditional: 44, dependent unconditional: 37, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 567, independent: 528, independent conditional: 0, independent unconditional: 528, dependent: 36, dependent conditional: 28, dependent unconditional: 8, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 567, independent: 527, independent conditional: 0, independent unconditional: 527, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 40, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 36, dependent conditional: 28, dependent unconditional: 8, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 36, dependent conditional: 28, dependent unconditional: 8, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, independent: 36, independent conditional: 0, independent unconditional: 36, dependent: 112, dependent conditional: 83, dependent unconditional: 29, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 959, independent: 345, independent conditional: 0, independent unconditional: 345, dependent: 45, dependent conditional: 16, dependent unconditional: 29, unknown: 569, unknown conditional: 33, unknown unconditional: 536] , Statistics on independence cache: Total cache size (in pairs): 564, Positive cache size: 528, Positive conditional cache size: 0, Positive unconditional cache size: 528, Negative cache size: 36, Negative conditional cache size: 28, Negative unconditional cache size: 8, Unknown cache size: 3, Unknown conditional cache size: 3, Unknown unconditional cache size: 0, Eliminated conditions: 18, Maximal queried relation: 7, Independence queries for same thread: 107 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 136, Number of trivial persistent sets: 129, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 548, independent: 540, independent conditional: 0, independent unconditional: 540, 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: 999, independent: 873, independent conditional: 333, independent unconditional: 540, dependent: 123, dependent conditional: 115, dependent unconditional: 8, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 892, independent: 873, independent conditional: 333, independent unconditional: 540, dependent: 16, dependent conditional: 8, dependent unconditional: 8, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 892, independent: 873, independent conditional: 333, independent unconditional: 540, dependent: 16, dependent conditional: 8, dependent unconditional: 8, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 959, independent: 873, independent conditional: 0, independent unconditional: 873, dependent: 81, dependent conditional: 62, dependent unconditional: 19, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 959, independent: 873, independent conditional: 0, independent unconditional: 873, dependent: 81, dependent conditional: 44, dependent unconditional: 37, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 959, independent: 873, independent conditional: 0, independent unconditional: 873, dependent: 81, dependent conditional: 44, dependent unconditional: 37, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 567, independent: 528, independent conditional: 0, independent unconditional: 528, dependent: 36, dependent conditional: 28, dependent unconditional: 8, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 567, independent: 527, independent conditional: 0, independent unconditional: 527, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 40, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 36, dependent conditional: 28, dependent unconditional: 8, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 36, dependent conditional: 28, dependent unconditional: 8, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, independent: 36, independent conditional: 0, independent unconditional: 36, dependent: 112, dependent conditional: 83, dependent unconditional: 29, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 959, independent: 345, independent conditional: 0, independent unconditional: 345, dependent: 45, dependent conditional: 16, dependent unconditional: 29, unknown: 569, unknown conditional: 33, unknown unconditional: 536] , Statistics on independence cache: Total cache size (in pairs): 564, Positive cache size: 528, Positive conditional cache size: 0, Positive unconditional cache size: 528, Negative cache size: 36, Negative conditional cache size: 28, Negative unconditional cache size: 8, Unknown cache size: 3, Unknown conditional cache size: 3, Unknown unconditional cache size: 0, Eliminated conditions: 18, Maximal queried relation: 7, Independence queries for same thread: 107 - 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: 110.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 11.9s, 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: 212, 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, 0.4s SatisfiabilityAnalysisTime, 96.2s InterpolantComputationTime, 1028 NumberOfCodeBlocks, 1028 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1457 ConstructedInterpolants, 235 QuantifiedInterpolants, 20660 SizeOfPredicates, 75 NumberOfNonLiveVariables, 1216 ConjunctsInSsa, 240 ConjunctsInUnsatCore, 17 InterpolantComputations, 2 PerfectInterpolantSequences, 108/579 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! [2023-05-04 13:34:11,159 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 [2023-05-04 13:34:11,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...