/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 LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 21:30:52,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 21:30:52,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 21:30:52,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 21:30:52,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 21:30:52,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 21:30:52,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 21:30:52,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 21:30:52,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 21:30:52,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 21:30:52,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 21:30:52,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 21:30:52,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 21:30:52,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 21:30:52,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 21:30:52,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 21:30:52,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 21:30:52,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 21:30:52,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 21:30:52,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 21:30:52,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 21:30:52,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 21:30:52,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 21:30:52,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 21:30:52,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 21:30:52,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 21:30:52,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 21:30:52,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 21:30:52,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 21:30:52,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 21:30:52,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 21:30:52,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 21:30:52,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 21:30:52,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 21:30:52,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 21:30:52,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 21:30:52,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 21:30:52,458 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 21:30:52,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 21:30:52,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 21:30:52,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 21:30:52,460 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 21:30:52,487 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 21:30:52,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 21:30:52,488 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 21:30:52,488 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 21:30:52,489 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 21:30:52,489 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 21:30:52,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 21:30:52,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 21:30:52,490 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 21:30:52,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 21:30:52,490 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 21:30:52,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 21:30:52,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 21:30:52,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 21:30:52,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 21:30:52,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 21:30:52,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 21:30:52,491 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 21:30:52,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 21:30:52,491 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 21:30:52,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 21:30:52,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 21:30:52,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 21:30:52,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 21:30:52,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 21:30:52,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 21:30:52,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 21:30:52,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 21:30:52,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 21:30:52,493 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 21:30:52,493 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 21:30:52,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 21:30:52,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 21:30:52,493 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 21:30:52,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 21:30:52,493 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 21:30:52,494 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 21:30:52,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 21:30:52,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 21:30:52,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 21:30:52,737 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 21:30:52,737 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 21:30:52,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-05-04 21:30:52,807 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b0de19b4/2afb9268868144d3a67777bb3c0699eb/FLAG5e254097f [2023-05-04 21:30:53,206 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 21:30:53,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-05-04 21:30:53,214 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b0de19b4/2afb9268868144d3a67777bb3c0699eb/FLAG5e254097f [2023-05-04 21:30:53,223 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b0de19b4/2afb9268868144d3a67777bb3c0699eb [2023-05-04 21:30:53,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 21:30:53,226 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 21:30:53,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 21:30:53,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 21:30:53,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 21:30:53,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 09:30:53" (1/1) ... [2023-05-04 21:30:53,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aeff5ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:30:53, skipping insertion in model container [2023-05-04 21:30:53,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 09:30:53" (1/1) ... [2023-05-04 21:30:53,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 21:30:53,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 21:30:53,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c[2098,2111] [2023-05-04 21:30:53,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 21:30:53,410 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 21:30:53,432 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c[2098,2111] [2023-05-04 21:30:53,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 21:30:53,447 INFO L208 MainTranslator]: Completed translation [2023-05-04 21:30:53,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:30:53 WrapperNode [2023-05-04 21:30:53,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 21:30:53,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 21:30:53,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 21:30:53,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 21:30:53,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:30:53" (1/1) ... [2023-05-04 21:30:53,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:30:53" (1/1) ... [2023-05-04 21:30:53,485 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2023-05-04 21:30:53,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 21:30:53,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 21:30:53,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 21:30:53,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 21:30:53,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:30:53" (1/1) ... [2023-05-04 21:30:53,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:30:53" (1/1) ... [2023-05-04 21:30:53,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:30:53" (1/1) ... [2023-05-04 21:30:53,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:30:53" (1/1) ... [2023-05-04 21:30:53,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:30:53" (1/1) ... [2023-05-04 21:30:53,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:30:53" (1/1) ... [2023-05-04 21:30:53,512 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:30:53" (1/1) ... [2023-05-04 21:30:53,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:30:53" (1/1) ... [2023-05-04 21:30:53,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 21:30:53,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 21:30:53,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 21:30:53,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 21:30:53,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:30:53" (1/1) ... [2023-05-04 21:30:53,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 21:30:53,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 21:30:53,547 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 21:30:53,552 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 21:30:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 21:30:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 21:30:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 21:30:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 21:30:53,584 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 21:30:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 21:30:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 21:30:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 21:30:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 21:30:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 21:30:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 21:30:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 21:30:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 21:30:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 21:30:53,586 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 21:30:53,696 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 21:30:53,697 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 21:30:53,868 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 21:30:53,902 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 21:30:53,902 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-04 21:30:53,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 09:30:53 BoogieIcfgContainer [2023-05-04 21:30:53,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 21:30:53,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 21:30:53,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 21:30:53,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 21:30:53,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 09:30:53" (1/3) ... [2023-05-04 21:30:53,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac06144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 09:30:53, skipping insertion in model container [2023-05-04 21:30:53,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:30:53" (2/3) ... [2023-05-04 21:30:53,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac06144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 09:30:53, skipping insertion in model container [2023-05-04 21:30:53,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 09:30:53" (3/3) ... [2023-05-04 21:30:53,912 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-nonblocking-cntr-alt.wvr.c [2023-05-04 21:30:53,919 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 21:30:53,927 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 21:30:53,927 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 21:30:53,927 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 21:30:54,010 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 21:30:54,052 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 21:30:54,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 21:30:54,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 21:30:54,058 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 21:30:54,079 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 21:30:54,103 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 21:30:54,131 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 21:30:54,138 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;@42a6d577, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 21:30:54,139 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 21:30:54,316 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 21:30:54,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 21:30:54,320 INFO L85 PathProgramCache]: Analyzing trace with hash -869291794, now seen corresponding path program 1 times [2023-05-04 21:30:54,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 21:30:54,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088195474] [2023-05-04 21:30:54,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 21:30:54,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 21:30:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 21:30:54,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 21:30:54,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 21:30:54,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088195474] [2023-05-04 21:30:54,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088195474] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 21:30:54,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 21:30:54,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 21:30:54,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646336693] [2023-05-04 21:30:54,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 21:30:54,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 21:30:54,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 21:30:54,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 21:30:54,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 21:30:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:30:54,523 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 21:30:54,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 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 21:30:54,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:30:54,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:30:54,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 21:30:54,550 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 21:30:54,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 21:30:54,550 INFO L85 PathProgramCache]: Analyzing trace with hash 2129505391, now seen corresponding path program 1 times [2023-05-04 21:30:54,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 21:30:54,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209388303] [2023-05-04 21:30:54,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 21:30:54,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 21:30:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 21:30:54,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 21:30:54,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 21:30:54,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209388303] [2023-05-04 21:30:54,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209388303] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 21:30:54,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 21:30:54,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 21:30:54,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319416414] [2023-05-04 21:30:54,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 21:30:54,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 21:30:54,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 21:30:54,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 21:30:54,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-05-04 21:30:54,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:30:54,976 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 21:30:54,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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 21:30:54,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:30:54,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:30:55,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:30:55,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 21:30:55,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 21:30:55,093 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 21:30:55,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 21:30:55,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1573386175, now seen corresponding path program 1 times [2023-05-04 21:30:55,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 21:30:55,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465946106] [2023-05-04 21:30:55,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 21:30:55,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 21:30:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 21:30:55,853 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 21:30:55,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 21:30:55,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465946106] [2023-05-04 21:30:55,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465946106] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 21:30:55,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761602528] [2023-05-04 21:30:55,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 21:30:55,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 21:30:55,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 21:30:55,861 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 21:30:55,883 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 21:30:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 21:30:55,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 26 conjunts are in the unsatisfiable core [2023-05-04 21:30:55,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 21:30:56,624 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 21:30:56,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 21:30:57,234 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 21:30:57,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1761602528] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 21:30:57,235 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 21:30:57,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 40 [2023-05-04 21:30:57,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649500753] [2023-05-04 21:30:57,235 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 21:30:57,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-05-04 21:30:57,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 21:30:57,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-05-04 21:30:57,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=1361, Unknown=0, NotChecked=0, Total=1560 [2023-05-04 21:30:57,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:30:57,238 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 21:30:57,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 3.65) internal successors, (146), 40 states have internal predecessors, (146), 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 21:30:57,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:30:57,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 21:30:57,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:30:59,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:30:59,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 21:30:59,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 21:30:59,427 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 21:30:59,617 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 21:30:59,617 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 21:30:59,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 21:30:59,618 INFO L85 PathProgramCache]: Analyzing trace with hash 231756865, now seen corresponding path program 2 times [2023-05-04 21:30:59,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 21:30:59,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936532238] [2023-05-04 21:30:59,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 21:30:59,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 21:30:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 21:31:00,297 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 21:31:00,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 21:31:00,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936532238] [2023-05-04 21:31:00,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936532238] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 21:31:00,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828997386] [2023-05-04 21:31:00,298 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 21:31:00,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 21:31:00,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 21:31:00,299 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 21:31:00,309 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 21:31:00,367 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 21:31:00,368 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 21:31:00,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 38 conjunts are in the unsatisfiable core [2023-05-04 21:31:00,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 21:31:01,154 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 21:31:01,155 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 21:31:01,951 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 21:31:01,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828997386] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 21:31:01,952 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 21:31:01,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 24, 22] total 51 [2023-05-04 21:31:01,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363302469] [2023-05-04 21:31:01,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 21:31:01,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-05-04 21:31:01,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 21:31:01,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-05-04 21:31:01,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=2324, Unknown=0, NotChecked=0, Total=2550 [2023-05-04 21:31:01,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:01,956 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 21:31:01,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 3.3137254901960786) internal successors, (169), 51 states have internal predecessors, (169), 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 21:31:01,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:01,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 21:31:01,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 21:31:01,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:09,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:09,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 21:31:09,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 21:31:09,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-05-04 21:31:09,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-04 21:31:09,218 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 21:31:09,219 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 21:31:09,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 21:31:09,219 INFO L85 PathProgramCache]: Analyzing trace with hash 971242479, now seen corresponding path program 3 times [2023-05-04 21:31:09,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 21:31:09,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086906055] [2023-05-04 21:31:09,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 21:31:09,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 21:31:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 21:31:09,977 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-05-04 21:31:09,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 21:31:09,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086906055] [2023-05-04 21:31:09,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086906055] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 21:31:09,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472816706] [2023-05-04 21:31:09,978 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 21:31:09,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 21:31:09,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 21:31:09,982 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 21:31:09,983 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 21:31:10,085 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-04 21:31:10,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 21:31:10,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 47 conjunts are in the unsatisfiable core [2023-05-04 21:31:10,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 21:31:10,956 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 21:31:10,956 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 21:31:12,155 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 21:31:12,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472816706] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 21:31:12,155 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 21:31:12,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 30, 27] total 65 [2023-05-04 21:31:12,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586723168] [2023-05-04 21:31:12,156 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 21:31:12,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2023-05-04 21:31:12,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 21:31:12,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2023-05-04 21:31:12,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=407, Invalid=3753, Unknown=0, NotChecked=0, Total=4160 [2023-05-04 21:31:12,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:12,159 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 21:31:12,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 3.0307692307692307) internal successors, (197), 65 states have internal predecessors, (197), 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 21:31:12,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:12,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 21:31:12,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-04 21:31:12,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-05-04 21:31:12,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 21:31:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 21:31:18,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-05-04 21:31:18,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2023-05-04 21:31:18,041 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 21:31:18,229 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 21:31:18,229 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 21:31:18,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 21:31:18,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1797650833, now seen corresponding path program 4 times [2023-05-04 21:31:18,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 21:31:18,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745522342] [2023-05-04 21:31:18,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 21:31:18,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 21:31:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 21:31:19,058 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-05-04 21:31:19,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 21:31:19,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745522342] [2023-05-04 21:31:19,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745522342] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 21:31:19,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832784501] [2023-05-04 21:31:19,058 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 21:31:19,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 21:31:19,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 21:31:19,062 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 21:31:19,063 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 21:31:19,116 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 21:31:19,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 21:31:19,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 59 conjunts are in the unsatisfiable core [2023-05-04 21:31:19,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 21:31:20,274 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 21:31:20,275 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 21:31:21,718 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 6 proven. 121 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 21:31:21,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832784501] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 21:31:21,718 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 21:31:21,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 36, 31] total 76 [2023-05-04 21:31:21,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352676284] [2023-05-04 21:31:21,719 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 21:31:21,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2023-05-04 21:31:21,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 21:31:21,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2023-05-04 21:31:21,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=5263, Unknown=0, NotChecked=0, Total=5700 [2023-05-04 21:31:21,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:21,721 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 21:31:21,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 2.8947368421052633) internal successors, (220), 76 states have internal predecessors, (220), 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 21:31:21,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:21,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 21:31:21,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-04 21:31:21,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-05-04 21:31:21,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2023-05-04 21:31:21,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:30,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 21:31:30,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 21:31:30,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-05-04 21:31:30,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2023-05-04 21:31:30,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2023-05-04 21:31:30,224 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 21:31:30,409 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 21:31:30,410 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 21:31:30,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 21:31:30,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1276494907, now seen corresponding path program 5 times [2023-05-04 21:31:30,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 21:31:30,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858752316] [2023-05-04 21:31:30,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 21:31:30,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 21:31:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 21:31:30,762 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-05-04 21:31:30,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 21:31:30,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858752316] [2023-05-04 21:31:30,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858752316] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 21:31:30,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869050826] [2023-05-04 21:31:30,763 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 21:31:30,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 21:31:30,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 21:31:30,764 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 21:31:30,769 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 21:31:30,848 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2023-05-04 21:31:30,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 21:31:30,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 23 conjunts are in the unsatisfiable core [2023-05-04 21:31:30,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 21:31:31,018 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-05-04 21:31:31,018 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 21:31:31,201 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-05-04 21:31:31,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869050826] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 21:31:31,202 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 21:31:31,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 10 [2023-05-04 21:31:31,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894353770] [2023-05-04 21:31:31,202 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 21:31:31,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-04 21:31:31,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 21:31:31,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-04 21:31:31,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-05-04 21:31:31,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:31,204 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 21:31:31,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.3) internal successors, (123), 10 states have internal predecessors, (123), 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 21:31:31,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:31,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 21:31:31,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-04 21:31:31,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-05-04 21:31:31,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2023-05-04 21:31:31,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2023-05-04 21:31:31,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:36,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:36,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 21:31:36,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2023-05-04 21:31:36,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-05-04 21:31:36,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2023-05-04 21:31:36,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2023-05-04 21:31:36,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 21:31:36,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-05-04 21:31:36,583 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 21:31:36,583 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 21:31:36,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 21:31:36,584 INFO L85 PathProgramCache]: Analyzing trace with hash -369653817, now seen corresponding path program 6 times [2023-05-04 21:31:36,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 21:31:36,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98280863] [2023-05-04 21:31:36,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 21:31:36,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 21:31:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 21:31:36,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 21:31:36,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 21:31:36,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98280863] [2023-05-04 21:31:36,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98280863] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 21:31:36,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469293794] [2023-05-04 21:31:36,914 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 21:31:36,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 21:31:36,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 21:31:36,916 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 21:31:36,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 21:31:36,977 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2023-05-04 21:31:36,977 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 21:31:36,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 20 conjunts are in the unsatisfiable core [2023-05-04 21:31:36,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 21:31:37,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 21:31:37,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 21:31:37,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 21:31:37,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469293794] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 21:31:37,768 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 21:31:37,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 32 [2023-05-04 21:31:37,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435804596] [2023-05-04 21:31:37,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 21:31:37,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-05-04 21:31:37,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 21:31:37,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-05-04 21:31:37,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=831, Unknown=0, NotChecked=0, Total=992 [2023-05-04 21:31:37,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:37,770 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 21:31:37,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.25) internal successors, (136), 32 states have internal predecessors, (136), 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 21:31:37,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:37,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 21:31:37,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2023-05-04 21:31:37,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-05-04 21:31:37,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2023-05-04 21:31:37,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2023-05-04 21:31:37,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 21:31:37,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:51,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 21:31:51,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 21:31:51,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2023-05-04 21:31:51,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2023-05-04 21:31:51,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2023-05-04 21:31:51,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2023-05-04 21:31:51,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 21:31:51,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-04 21:31:51,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 21:31:51,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 21:31:51,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 21:31:51,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-04 21:31:51,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 21:31:51,932 INFO L444 BasicCegarLoop]: Path program histogram: [6, 1, 1] [2023-05-04 21:31:51,934 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 21:31:51,934 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 21:31:51,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 09:31:51 BasicIcfg [2023-05-04 21:31:51,936 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 21:31:51,936 INFO L158 Benchmark]: Toolchain (without parser) took 58710.07ms. Allocated memory was 198.2MB in the beginning and 739.2MB in the end (delta: 541.1MB). Free memory was 168.5MB in the beginning and 409.4MB in the end (delta: -240.8MB). Peak memory consumption was 300.3MB. Max. memory is 8.0GB. [2023-05-04 21:31:51,937 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 198.2MB. Free memory is still 152.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 21:31:51,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.48ms. Allocated memory was 198.2MB in the beginning and 295.7MB in the end (delta: 97.5MB). Free memory was 168.3MB in the beginning and 263.5MB in the end (delta: -95.2MB). Peak memory consumption was 9.2MB. Max. memory is 8.0GB. [2023-05-04 21:31:51,937 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.45ms. Allocated memory is still 295.7MB. Free memory was 263.5MB in the beginning and 261.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 21:31:51,937 INFO L158 Benchmark]: Boogie Preprocessor took 27.46ms. Allocated memory is still 295.7MB. Free memory was 261.9MB in the beginning and 260.6MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 21:31:51,938 INFO L158 Benchmark]: RCFGBuilder took 389.84ms. Allocated memory is still 295.7MB. Free memory was 260.6MB in the beginning and 246.2MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-05-04 21:31:51,938 INFO L158 Benchmark]: TraceAbstraction took 58029.42ms. Allocated memory was 295.7MB in the beginning and 739.2MB in the end (delta: 443.5MB). Free memory was 245.2MB in the beginning and 409.4MB in the end (delta: -164.2MB). Peak memory consumption was 280.7MB. Max. memory is 8.0GB. [2023-05-04 21:31:51,939 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 198.2MB. Free memory is still 152.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 220.48ms. Allocated memory was 198.2MB in the beginning and 295.7MB in the end (delta: 97.5MB). Free memory was 168.3MB in the beginning and 263.5MB in the end (delta: -95.2MB). Peak memory consumption was 9.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.45ms. Allocated memory is still 295.7MB. Free memory was 263.5MB in the beginning and 261.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.46ms. Allocated memory is still 295.7MB. Free memory was 261.9MB in the beginning and 260.6MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 389.84ms. Allocated memory is still 295.7MB. Free memory was 260.6MB in the beginning and 246.2MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 58029.42ms. Allocated memory was 295.7MB in the beginning and 739.2MB in the end (delta: 443.5MB). Free memory was 245.2MB in the beginning and 409.4MB in the end (delta: -164.2MB). Peak memory consumption was 280.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11685, independent: 10058, independent conditional: 9348, independent unconditional: 710, dependent: 1627, dependent conditional: 1619, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10121, independent: 10058, independent conditional: 9348, independent unconditional: 710, dependent: 63, dependent conditional: 55, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10121, independent: 10058, independent conditional: 9348, independent unconditional: 710, dependent: 63, dependent conditional: 55, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10624, independent: 10058, independent conditional: 60, independent unconditional: 9998, dependent: 566, dependent conditional: 443, dependent unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10624, independent: 10058, independent conditional: 60, independent unconditional: 9998, dependent: 566, dependent conditional: 392, dependent unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10624, independent: 10058, independent conditional: 60, independent unconditional: 9998, dependent: 566, dependent conditional: 392, dependent unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 663, independent: 621, independent conditional: 3, independent unconditional: 618, dependent: 42, dependent conditional: 34, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 663, independent: 617, independent conditional: 0, independent unconditional: 617, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 46, independent: 4, independent conditional: 3, independent unconditional: 1, dependent: 42, dependent conditional: 34, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, independent: 4, independent conditional: 3, independent unconditional: 1, dependent: 42, dependent conditional: 34, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 203, independent: 50, independent conditional: 5, independent unconditional: 44, dependent: 154, dependent conditional: 85, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10624, independent: 9437, independent conditional: 57, independent unconditional: 9380, dependent: 524, dependent conditional: 358, dependent unconditional: 166, unknown: 663, unknown conditional: 37, unknown unconditional: 626] , Statistics on independence cache: Total cache size (in pairs): 663, Positive cache size: 621, Positive conditional cache size: 3, Positive unconditional cache size: 618, Negative cache size: 42, Negative conditional cache size: 34, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 51, Maximal queried relation: 7, Independence queries for same thread: 1564 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 336, Number of trivial persistent sets: 307, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 718, independent: 710, independent conditional: 0, independent unconditional: 710, 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: 11685, independent: 10058, independent conditional: 9348, independent unconditional: 710, dependent: 1627, dependent conditional: 1619, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10121, independent: 10058, independent conditional: 9348, independent unconditional: 710, dependent: 63, dependent conditional: 55, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10121, independent: 10058, independent conditional: 9348, independent unconditional: 710, dependent: 63, dependent conditional: 55, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10624, independent: 10058, independent conditional: 60, independent unconditional: 9998, dependent: 566, dependent conditional: 443, dependent unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10624, independent: 10058, independent conditional: 60, independent unconditional: 9998, dependent: 566, dependent conditional: 392, dependent unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10624, independent: 10058, independent conditional: 60, independent unconditional: 9998, dependent: 566, dependent conditional: 392, dependent unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 663, independent: 621, independent conditional: 3, independent unconditional: 618, dependent: 42, dependent conditional: 34, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 663, independent: 617, independent conditional: 0, independent unconditional: 617, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 46, independent: 4, independent conditional: 3, independent unconditional: 1, dependent: 42, dependent conditional: 34, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, independent: 4, independent conditional: 3, independent unconditional: 1, dependent: 42, dependent conditional: 34, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 203, independent: 50, independent conditional: 5, independent unconditional: 44, dependent: 154, dependent conditional: 85, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10624, independent: 9437, independent conditional: 57, independent unconditional: 9380, dependent: 524, dependent conditional: 358, dependent unconditional: 166, unknown: 663, unknown conditional: 37, unknown unconditional: 626] , Statistics on independence cache: Total cache size (in pairs): 663, Positive cache size: 621, Positive conditional cache size: 3, Positive unconditional cache size: 618, Negative cache size: 42, Negative conditional cache size: 34, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 51, Maximal queried relation: 7, Independence queries for same thread: 1564 - PositiveResult [Line: 78]: 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, 98 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 57.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 43.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 877, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 12.7s InterpolantComputationTime, 1201 NumberOfCodeBlocks, 1195 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 1714 ConstructedInterpolants, 0 QuantifiedInterpolants, 12340 SizeOfPredicates, 93 NumberOfNonLiveVariables, 1086 ConjunctsInSsa, 213 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 389/1124 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 21:31:51,970 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 21:31:52,173 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...