/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-32214ab [2023-05-20 17:47:22,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 17:47:22,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 17:47:22,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 17:47:22,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 17:47:22,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 17:47:22,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 17:47:22,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 17:47:22,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 17:47:22,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 17:47:22,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 17:47:22,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 17:47:22,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 17:47:22,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 17:47:22,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 17:47:22,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 17:47:22,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 17:47:22,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 17:47:22,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 17:47:22,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 17:47:22,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 17:47:22,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 17:47:22,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 17:47:22,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 17:47:22,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 17:47:22,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 17:47:22,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 17:47:22,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 17:47:22,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 17:47:22,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 17:47:22,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 17:47:22,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 17:47:22,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 17:47:22,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 17:47:22,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 17:47:22,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 17:47:22,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 17:47:22,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 17:47:22,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 17:47:22,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 17:47:22,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 17:47:22,759 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 17:47:22,796 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 17:47:22,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 17:47:22,796 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 17:47:22,796 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 17:47:22,797 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 17:47:22,797 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 17:47:22,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 17:47:22,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 17:47:22,797 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 17:47:22,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 17:47:22,798 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 17:47:22,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 17:47:22,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 17:47:22,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 17:47:22,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 17:47:22,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 17:47:22,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 17:47:22,799 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 17:47:22,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 17:47:22,799 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 17:47:22,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 17:47:22,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 17:47:22,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 17:47:22,800 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 17:47:22,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 17:47:22,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 17:47:22,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 17:47:22,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 17:47:22,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 17:47:22,800 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 17:47:22,801 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 17:47:22,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 17:47:22,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 17:47:22,801 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 17:47:22,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 17:47:22,801 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 17:47:22,801 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-20 17:47:23,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 17:47:23,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 17:47:23,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 17:47:23,044 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 17:47:23,044 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 17:47:23,045 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-05-20 17:47:23,094 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3b8f678a/fcef2461277e4a38900bd9c979eeee9b/FLAGc848c34ed [2023-05-20 17:47:23,496 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 17:47:23,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-05-20 17:47:23,506 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3b8f678a/fcef2461277e4a38900bd9c979eeee9b/FLAGc848c34ed [2023-05-20 17:47:23,520 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3b8f678a/fcef2461277e4a38900bd9c979eeee9b [2023-05-20 17:47:23,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 17:47:23,524 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 17:47:23,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 17:47:23,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 17:47:23,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 17:47:23,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 05:47:23" (1/1) ... [2023-05-20 17:47:23,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e3f9cc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:47:23, skipping insertion in model container [2023-05-20 17:47:23,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 05:47:23" (1/1) ... [2023-05-20 17:47:23,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 17:47:23,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 17:47:23,750 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] [2023-05-20 17:47:23,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 17:47:23,760 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 17:47:23,786 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] [2023-05-20 17:47:23,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 17:47:23,802 INFO L208 MainTranslator]: Completed translation [2023-05-20 17:47:23,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:47:23 WrapperNode [2023-05-20 17:47:23,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 17:47:23,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 17:47:23,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 17:47:23,803 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 17:47:23,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:47:23" (1/1) ... [2023-05-20 17:47:23,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:47:23" (1/1) ... [2023-05-20 17:47:23,836 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2023-05-20 17:47:23,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 17:47:23,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 17:47:23,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 17:47:23,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 17:47:23,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:47:23" (1/1) ... [2023-05-20 17:47:23,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:47:23" (1/1) ... [2023-05-20 17:47:23,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:47:23" (1/1) ... [2023-05-20 17:47:23,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:47:23" (1/1) ... [2023-05-20 17:47:23,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:47:23" (1/1) ... [2023-05-20 17:47:23,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:47:23" (1/1) ... [2023-05-20 17:47:23,866 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:47:23" (1/1) ... [2023-05-20 17:47:23,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:47:23" (1/1) ... [2023-05-20 17:47:23,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 17:47:23,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 17:47:23,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 17:47:23,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 17:47:23,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:47:23" (1/1) ... [2023-05-20 17:47:23,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 17:47:23,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:47:23,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-20 17:47:23,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-20 17:47:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 17:47:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 17:47:23,944 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 17:47:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 17:47:23,945 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 17:47:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 17:47:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 17:47:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 17:47:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 17:47:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 17:47:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 17:47:23,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 17:47:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 17:47:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 17:47:23,947 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 17:47:24,045 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 17:47:24,047 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 17:47:24,256 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 17:47:24,292 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 17:47:24,293 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-20 17:47:24,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 05:47:24 BoogieIcfgContainer [2023-05-20 17:47:24,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 17:47:24,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 17:47:24,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 17:47:24,304 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 17:47:24,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 05:47:23" (1/3) ... [2023-05-20 17:47:24,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7882c35e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 05:47:24, skipping insertion in model container [2023-05-20 17:47:24,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:47:23" (2/3) ... [2023-05-20 17:47:24,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7882c35e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 05:47:24, skipping insertion in model container [2023-05-20 17:47:24,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 05:47:24" (3/3) ... [2023-05-20 17:47:24,309 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-nonblocking-cntr-alt.wvr.c [2023-05-20 17:47:24,316 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 17:47:24,323 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 17:47:24,324 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 17:47:24,324 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 17:47:24,386 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-20 17:47:24,424 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 17:47:24,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 17:47:24,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:47:24,433 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 17:47:24,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-20 17:47:24,476 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 17:47:24,495 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 17:47:24,502 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;@4823ec8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 17:47:24,502 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-20 17:47:24,689 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 17:47:24,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:47:24,694 INFO L85 PathProgramCache]: Analyzing trace with hash -869291794, now seen corresponding path program 1 times [2023-05-20 17:47:24,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:47:24,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729957094] [2023-05-20 17:47:24,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:47:24,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:47:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:47:24,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 17:47:24,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:47:24,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729957094] [2023-05-20 17:47:24,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729957094] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 17:47:24,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 17:47:24,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 17:47:24,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295972917] [2023-05-20 17:47:24,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 17:47:24,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 17:47:24,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:47:24,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 17:47:24,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 17:47:24,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:47:24,967 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:47:24,968 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) [2023-05-20 17:47:24,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:47:25,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:47:25,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 17:47:25,012 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 17:47:25,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:47:25,013 INFO L85 PathProgramCache]: Analyzing trace with hash 2129505391, now seen corresponding path program 1 times [2023-05-20 17:47:25,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:47:25,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014283294] [2023-05-20 17:47:25,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:47:25,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:47:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:47:25,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 17:47:25,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:47:25,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014283294] [2023-05-20 17:47:25,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014283294] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 17:47:25,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 17:47:25,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 17:47:25,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804523605] [2023-05-20 17:47:25,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 17:47:25,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 17:47:25,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:47:25,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 17:47:25,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-05-20 17:47:25,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:47:25,474 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:47:25,474 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) [2023-05-20 17:47:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:47:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:47:25,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:47:25,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:47:25,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 17:47:25,554 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 17:47:25,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:47:25,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1573386175, now seen corresponding path program 1 times [2023-05-20 17:47:25,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:47:25,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418462361] [2023-05-20 17:47:25,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:47:25,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:47:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:47:26,269 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 17:47:26,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:47:26,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418462361] [2023-05-20 17:47:26,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418462361] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:47:26,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266732146] [2023-05-20 17:47:26,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:47:26,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:47:26,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:47:26,278 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:47:26,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 17:47:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:47:26,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 26 conjunts are in the unsatisfiable core [2023-05-20 17:47:26,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:47:27,028 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 17:47:27,028 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:47:27,607 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 17:47:27,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266732146] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:47:27,608 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:47:27,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 40 [2023-05-20 17:47:27,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100574543] [2023-05-20 17:47:27,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:47:27,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-05-20 17:47:27,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:47:27,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-05-20 17:47:27,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=1361, Unknown=0, NotChecked=0, Total=1560 [2023-05-20 17:47:27,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:47:27,611 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:47:27,612 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) [2023-05-20 17:47:27,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:47:27,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:47:27,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:47:29,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:47:29,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:47:29,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 17:47:29,698 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-20 17:47:29,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-05-20 17:47:29,889 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 17:47:29,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:47:29,890 INFO L85 PathProgramCache]: Analyzing trace with hash 231756865, now seen corresponding path program 2 times [2023-05-20 17:47:29,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:47:29,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162218085] [2023-05-20 17:47:29,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:47:29,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:47:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:47:30,512 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 17:47:30,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:47:30,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162218085] [2023-05-20 17:47:30,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162218085] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:47:30,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944381962] [2023-05-20 17:47:30,513 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 17:47:30,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:47:30,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:47:30,517 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:47:30,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 17:47:30,616 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 17:47:30,616 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:47:30,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 38 conjunts are in the unsatisfiable core [2023-05-20 17:47:30,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:47:31,429 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 17:47:31,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:47:32,187 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 17:47:32,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944381962] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:47:32,188 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:47:32,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 24, 22] total 51 [2023-05-20 17:47:32,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469875751] [2023-05-20 17:47:32,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:47:32,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-05-20 17:47:32,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:47:32,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-05-20 17:47:32,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=2324, Unknown=0, NotChecked=0, Total=2550 [2023-05-20 17:47:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:47:32,191 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:47:32,191 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) [2023-05-20 17:47:32,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:47:32,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:47:32,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 17:47:32,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:47:38,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:47:38,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:47:38,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-20 17:47:38,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-05-20 17:47:38,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-20 17:47:39,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:47:39,054 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 17:47:39,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:47:39,054 INFO L85 PathProgramCache]: Analyzing trace with hash 971242479, now seen corresponding path program 3 times [2023-05-20 17:47:39,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:47:39,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200938886] [2023-05-20 17:47:39,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:47:39,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:47:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:47:39,893 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-05-20 17:47:39,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:47:39,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200938886] [2023-05-20 17:47:39,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200938886] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:47:39,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855580891] [2023-05-20 17:47:39,894 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 17:47:39,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:47:39,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:47:39,895 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:47:39,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 17:47:39,973 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-20 17:47:39,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:47:39,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 47 conjunts are in the unsatisfiable core [2023-05-20 17:47:39,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:47:40,910 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 17:47:40,910 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:47:42,237 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 17:47:42,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855580891] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:47:42,237 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:47:42,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 30, 27] total 65 [2023-05-20 17:47:42,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68614380] [2023-05-20 17:47:42,238 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:47:42,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2023-05-20 17:47:42,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:47:42,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2023-05-20 17:47:42,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=407, Invalid=3753, Unknown=0, NotChecked=0, Total=4160 [2023-05-20 17:47:42,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:47:42,241 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:47:42,241 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) [2023-05-20 17:47:42,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:47:42,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:47:42,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-20 17:47:42,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-05-20 17:47:42,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:47:48,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:47:48,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:47:48,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-20 17:47:48,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-05-20 17:47:48,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2023-05-20 17:47:48,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-20 17:47:48,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:47:48,301 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 17:47:48,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:47:48,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1797650833, now seen corresponding path program 4 times [2023-05-20 17:47:48,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:47:48,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876497761] [2023-05-20 17:47:48,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:47:48,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:47:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:47:49,155 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-05-20 17:47:49,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:47:49,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876497761] [2023-05-20 17:47:49,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876497761] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:47:49,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504824202] [2023-05-20 17:47:49,158 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 17:47:49,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:47:49,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:47:49,159 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) [2023-05-20 17:47:49,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 17:47:49,210 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 17:47:49,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:47:49,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 59 conjunts are in the unsatisfiable core [2023-05-20 17:47:49,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:47:50,302 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 17:47:50,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:47:51,715 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 6 proven. 121 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 17:47:51,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504824202] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:47:51,715 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:47:51,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 36, 31] total 76 [2023-05-20 17:47:51,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776980598] [2023-05-20 17:47:51,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:47:51,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2023-05-20 17:47:51,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:47:51,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2023-05-20 17:47:51,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=5263, Unknown=0, NotChecked=0, Total=5700 [2023-05-20 17:47:51,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:47:51,718 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:47:51,719 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) [2023-05-20 17:47:51,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:47:51,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:47:51,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-20 17:47:51,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-05-20 17:47:51,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2023-05-20 17:47:51,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:48:00,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:48:00,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:48:00,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-20 17:48:00,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-05-20 17:48:00,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2023-05-20 17:48:00,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2023-05-20 17:48:00,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 17:48:00,257 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 [2023-05-20 17:48:00,257 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 17:48:00,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:48:00,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1276494907, now seen corresponding path program 5 times [2023-05-20 17:48:00,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:48:00,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90362541] [2023-05-20 17:48:00,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:48:00,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:48:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:48:00,574 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-05-20 17:48:00,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:48:00,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90362541] [2023-05-20 17:48:00,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90362541] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:48:00,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834989641] [2023-05-20 17:48:00,575 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 17:48:00,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:48:00,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:48:00,577 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) [2023-05-20 17:48:00,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 17:48:00,647 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2023-05-20 17:48:00,648 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:48:00,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 23 conjunts are in the unsatisfiable core [2023-05-20 17:48:00,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:48:00,835 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-05-20 17:48:00,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:48:01,021 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-05-20 17:48:01,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834989641] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:48:01,022 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:48:01,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 10 [2023-05-20 17:48:01,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173663387] [2023-05-20 17:48:01,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:48:01,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-20 17:48:01,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:48:01,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-20 17:48:01,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-05-20 17:48:01,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:48:01,023 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:48:01,023 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) [2023-05-20 17:48:01,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:48:01,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:48:01,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-20 17:48:01,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-05-20 17:48:01,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2023-05-20 17:48:01,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2023-05-20 17:48:01,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:48:05,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:48:05,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:48:05,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2023-05-20 17:48:05,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-05-20 17:48:05,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2023-05-20 17:48:05,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2023-05-20 17:48:05,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:48:05,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-20 17:48:06,191 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 [2023-05-20 17:48:06,192 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 17:48:06,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:48:06,192 INFO L85 PathProgramCache]: Analyzing trace with hash -369653817, now seen corresponding path program 6 times [2023-05-20 17:48:06,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:48:06,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827598728] [2023-05-20 17:48:06,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:48:06,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:48:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:48:06,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 17:48:06,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:48:06,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827598728] [2023-05-20 17:48:06,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827598728] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:48:06,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783549767] [2023-05-20 17:48:06,515 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 17:48:06,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:48:06,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:48:06,516 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) [2023-05-20 17:48:06,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-20 17:48:06,583 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2023-05-20 17:48:06,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:48:06,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 20 conjunts are in the unsatisfiable core [2023-05-20 17:48:06,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:48:06,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 17:48:06,850 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:48:07,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 17:48:07,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783549767] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:48:07,183 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:48:07,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 32 [2023-05-20 17:48:07,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332699650] [2023-05-20 17:48:07,184 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:48:07,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-05-20 17:48:07,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:48:07,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-05-20 17:48:07,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=831, Unknown=0, NotChecked=0, Total=992 [2023-05-20 17:48:07,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:48:07,185 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:48:07,185 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) [2023-05-20 17:48:07,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:48:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:48:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2023-05-20 17:48:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-05-20 17:48:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2023-05-20 17:48:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2023-05-20 17:48:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:48:07,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:48:20,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:48:20,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 17:48:20,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2023-05-20 17:48:20,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2023-05-20 17:48:20,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2023-05-20 17:48:20,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2023-05-20 17:48:20,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:48:20,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-20 17:48:20,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-20 17:48:20,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-20 17:48:20,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-20 17:48:20,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-20 17:48:20,559 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 [2023-05-20 17:48:20,564 INFO L444 BasicCegarLoop]: Path program histogram: [6, 1, 1] [2023-05-20 17:48:20,566 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 17:48:20,566 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 17:48:20,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 05:48:20 BasicIcfg [2023-05-20 17:48:20,569 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 17:48:20,571 INFO L158 Benchmark]: Toolchain (without parser) took 57045.30ms. Allocated memory was 184.5MB in the beginning and 669.0MB in the end (delta: 484.4MB). Free memory was 128.7MB in the beginning and 280.5MB in the end (delta: -151.9MB). Peak memory consumption was 332.8MB. Max. memory is 8.0GB. [2023-05-20 17:48:20,572 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 184.5MB. Free memory was 145.7MB in the beginning and 145.6MB in the end (delta: 80.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 17:48:20,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.09ms. Allocated memory is still 184.5MB. Free memory was 128.5MB in the beginning and 159.5MB in the end (delta: -31.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-05-20 17:48:20,573 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.18ms. Allocated memory is still 184.5MB. Free memory was 159.5MB in the beginning and 157.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-20 17:48:20,573 INFO L158 Benchmark]: Boogie Preprocessor took 31.11ms. Allocated memory is still 184.5MB. Free memory was 157.9MB in the beginning and 156.7MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-20 17:48:20,573 INFO L158 Benchmark]: RCFGBuilder took 426.03ms. Allocated memory is still 184.5MB. Free memory was 156.7MB in the beginning and 142.2MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-05-20 17:48:20,574 INFO L158 Benchmark]: TraceAbstraction took 56272.35ms. Allocated memory was 184.5MB in the beginning and 669.0MB in the end (delta: 484.4MB). Free memory was 140.9MB in the beginning and 280.5MB in the end (delta: -139.6MB). Peak memory consumption was 346.4MB. Max. memory is 8.0GB. [2023-05-20 17:48:20,579 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 184.5MB. Free memory was 145.7MB in the beginning and 145.6MB in the end (delta: 80.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 277.09ms. Allocated memory is still 184.5MB. Free memory was 128.5MB in the beginning and 159.5MB in the end (delta: -31.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.18ms. Allocated memory is still 184.5MB. Free memory was 159.5MB in the beginning and 157.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.11ms. Allocated memory is still 184.5MB. Free memory was 157.9MB in the beginning and 156.7MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 426.03ms. Allocated memory is still 184.5MB. Free memory was 156.7MB in the beginning and 142.2MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 56272.35ms. Allocated memory was 184.5MB in the beginning and 669.0MB in the end (delta: 484.4MB). Free memory was 140.9MB in the beginning and 280.5MB in the end (delta: -139.6MB). Peak memory consumption was 346.4MB. 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: 221, independent: 49, independent conditional: 5, independent unconditional: 44, dependent: 172, dependent conditional: 104, dependent unconditional: 68, 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: 221, independent: 49, independent conditional: 5, independent unconditional: 44, dependent: 172, dependent conditional: 104, dependent unconditional: 68, 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: 56.1s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 41.3s, 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, 12.6s 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! [2023-05-20 17:48:20,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-20 17:48:20,812 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...