/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-cond-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 10:13:52,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 10:13:52,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 10:13:52,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 10:13:52,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 10:13:52,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 10:13:52,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 10:13:52,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 10:13:52,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 10:13:52,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 10:13:52,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 10:13:52,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 10:13:52,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 10:13:52,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 10:13:52,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 10:13:52,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 10:13:52,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 10:13:52,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 10:13:52,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 10:13:52,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 10:13:52,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 10:13:52,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 10:13:52,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 10:13:52,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 10:13:52,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 10:13:52,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 10:13:52,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 10:13:52,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 10:13:52,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 10:13:52,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 10:13:52,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 10:13:52,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 10:13:52,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 10:13:52,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 10:13:52,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 10:13:52,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 10:13:52,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 10:13:52,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 10:13:52,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 10:13:52,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 10:13:52,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 10:13:52,764 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 10:13:52,792 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 10:13:52,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 10:13:52,793 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 10:13:52,793 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 10:13:52,793 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 10:13:52,793 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 10:13:52,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 10:13:52,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 10:13:52,794 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 10:13:52,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 10:13:52,795 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 10:13:52,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 10:13:52,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 10:13:52,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 10:13:52,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 10:13:52,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 10:13:52,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 10:13:52,796 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 10:13:52,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 10:13:52,796 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 10:13:52,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 10:13:52,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 10:13:52,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 10:13:52,796 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 10:13:52,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 10:13:52,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 10:13:52,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 10:13:52,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 10:13:52,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 10:13:52,797 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 10:13:52,797 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 10:13:52,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 10:13:52,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 10:13:52,798 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 10:13:52,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 10:13:52,798 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 10:13:52,798 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-04 10:13:53,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 10:13:53,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 10:13:53,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 10:13:53,039 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 10:13:53,040 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 10:13:53,041 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-3.wvr.c [2023-05-04 10:13:53,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c70e30742/f09fd39e8a92476fa28b3d88bc1b72e5/FLAG59d694f43 [2023-05-04 10:13:53,484 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 10:13:53,484 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-3.wvr.c [2023-05-04 10:13:53,505 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c70e30742/f09fd39e8a92476fa28b3d88bc1b72e5/FLAG59d694f43 [2023-05-04 10:13:53,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c70e30742/f09fd39e8a92476fa28b3d88bc1b72e5 [2023-05-04 10:13:53,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 10:13:53,522 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 10:13:53,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 10:13:53,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 10:13:53,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 10:13:53,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 10:13:53" (1/1) ... [2023-05-04 10:13:53,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3612d275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:13:53, skipping insertion in model container [2023-05-04 10:13:53,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 10:13:53" (1/1) ... [2023-05-04 10:13:53,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 10:13:53,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 10:13:53,706 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/unroll-cond-3.wvr.c[2641,2654] [2023-05-04 10:13:53,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 10:13:53,716 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 10:13:53,730 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/unroll-cond-3.wvr.c[2641,2654] [2023-05-04 10:13:53,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 10:13:53,750 INFO L208 MainTranslator]: Completed translation [2023-05-04 10:13:53,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:13:53 WrapperNode [2023-05-04 10:13:53,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 10:13:53,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 10:13:53,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 10:13:53,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 10:13:53,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:13:53" (1/1) ... [2023-05-04 10:13:53,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:13:53" (1/1) ... [2023-05-04 10:13:53,798 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 162 [2023-05-04 10:13:53,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 10:13:53,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 10:13:53,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 10:13:53,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 10:13:53,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:13:53" (1/1) ... [2023-05-04 10:13:53,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:13:53" (1/1) ... [2023-05-04 10:13:53,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:13:53" (1/1) ... [2023-05-04 10:13:53,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:13:53" (1/1) ... [2023-05-04 10:13:53,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:13:53" (1/1) ... [2023-05-04 10:13:53,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:13:53" (1/1) ... [2023-05-04 10:13:53,831 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:13:53" (1/1) ... [2023-05-04 10:13:53,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:13:53" (1/1) ... [2023-05-04 10:13:53,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 10:13:53,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 10:13:53,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 10:13:53,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 10:13:53,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:13:53" (1/1) ... [2023-05-04 10:13:53,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 10:13:53,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:13:53,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-04 10:13:53,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-04 10:13:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 10:13:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 10:13:53,899 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 10:13:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 10:13:53,900 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 10:13:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 10:13:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 10:13:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 10:13:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 10:13:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 10:13:53,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 10:13:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 10:13:53,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 10:13:53,902 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 10:13:54,004 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 10:13:54,006 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 10:13:54,259 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 10:13:54,267 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 10:13:54,267 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-04 10:13:54,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 10:13:54 BoogieIcfgContainer [2023-05-04 10:13:54,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 10:13:54,272 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 10:13:54,272 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 10:13:54,275 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 10:13:54,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 10:13:53" (1/3) ... [2023-05-04 10:13:54,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7123bf95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 10:13:54, skipping insertion in model container [2023-05-04 10:13:54,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:13:53" (2/3) ... [2023-05-04 10:13:54,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7123bf95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 10:13:54, skipping insertion in model container [2023-05-04 10:13:54,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 10:13:54" (3/3) ... [2023-05-04 10:13:54,277 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-3.wvr.c [2023-05-04 10:13:54,284 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 10:13:54,290 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 10:13:54,291 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 10:13:54,291 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 10:13:54,366 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 10:13:54,396 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 10:13:54,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 10:13:54,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:13:54,398 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 10:13:54,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-04 10:13:54,440 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 10:13:54,456 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 10:13:54,463 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;@128c8c6d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 10:13:54,464 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 10:13:54,655 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:13:54,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:13:54,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1376774681, now seen corresponding path program 1 times [2023-05-04 10:13:54,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:13:54,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267753792] [2023-05-04 10:13:54,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:13:54,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:13:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:13:54,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 10:13:54,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:13:54,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267753792] [2023-05-04 10:13:54,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267753792] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 10:13:54,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 10:13:54,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 10:13:54,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374869277] [2023-05-04 10:13:54,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 10:13:54,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 10:13:54,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:13:54,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 10:13:54,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 10:13:54,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:13:54,909 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:13:54,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 71.5) internal successors, (143), 2 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 10:13:54,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:13:54,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:13:54,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 10:13:54,977 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:13:54,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:13:54,978 INFO L85 PathProgramCache]: Analyzing trace with hash 641487549, now seen corresponding path program 1 times [2023-05-04 10:13:54,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:13:54,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031655173] [2023-05-04 10:13:54,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:13:54,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:13:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:13:55,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:13:55,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:13:55,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031655173] [2023-05-04 10:13:55,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031655173] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:13:55,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554665882] [2023-05-04 10:13:55,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:13:55,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:13:55,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:13:55,761 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 10:13:55,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 10:13:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:13:55,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-04 10:13:55,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:13:56,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:13:56,229 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:13:56,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:13:56,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554665882] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-04 10:13:56,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-04 10:13:56,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12, 6] total 18 [2023-05-04 10:13:56,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686937242] [2023-05-04 10:13:56,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 10:13:56,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 10:13:56,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:13:56,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 10:13:56,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2023-05-04 10:13:56,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:13:56,602 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:13:56,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 10:13:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:13:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:13:56,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:13:56,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:13:56,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 10:13:56,921 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,SelfDestructingSolverStorable1 [2023-05-04 10:13:56,922 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:13:56,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:13:56,923 INFO L85 PathProgramCache]: Analyzing trace with hash 2141722609, now seen corresponding path program 1 times [2023-05-04 10:13:56,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:13:56,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143078974] [2023-05-04 10:13:56,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:13:56,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:13:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:13:57,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:13:57,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:13:57,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143078974] [2023-05-04 10:13:57,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143078974] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:13:57,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105657773] [2023-05-04 10:13:57,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:13:57,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:13:57,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:13:57,339 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 10:13:57,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 10:13:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:13:57,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 10:13:57,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:13:57,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:13:57,630 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 10:13:57,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105657773] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 10:13:57,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 10:13:57,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2023-05-04 10:13:57,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294403297] [2023-05-04 10:13:57,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 10:13:57,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-04 10:13:57,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:13:57,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-04 10:13:57,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2023-05-04 10:13:57,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:13:57,635 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:13:57,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 10:13:57,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:13:57,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:13:57,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:13:57,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:13:57,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:13:57,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:13:57,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 10:13:57,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:13:57,965 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:13:57,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:13:57,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1899214412, now seen corresponding path program 1 times [2023-05-04 10:13:57,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:13:57,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160482779] [2023-05-04 10:13:57,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:13:57,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:13:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:13:58,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 10:13:58,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:13:58,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160482779] [2023-05-04 10:13:58,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160482779] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:13:58,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201269903] [2023-05-04 10:13:58,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:13:58,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:13:58,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:13:58,372 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 10:13:58,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 10:13:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:13:58,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 40 conjunts are in the unsatisfiable core [2023-05-04 10:13:58,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:13:59,337 INFO L356 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2023-05-04 10:13:59,338 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 13 [2023-05-04 10:13:59,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:13:59,442 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:13:59,939 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 10:13:59,939 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 22 [2023-05-04 10:14:01,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:14:01,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201269903] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:14:01,029 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:14:01,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 21, 22] total 46 [2023-05-04 10:14:01,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636288714] [2023-05-04 10:14:01,029 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:14:01,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-05-04 10:14:01,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:14:01,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-05-04 10:14:01,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=1901, Unknown=0, NotChecked=0, Total=2070 [2023-05-04 10:14:01,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:14:01,031 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:14:01,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 7.826086956521739) internal successors, (360), 46 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 10:14:01,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:14:01,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:14:01,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:14:01,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:14:02,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:14:02,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:14:02,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:14:02,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 10:14:02,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 10:14:02,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:14:02,678 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:14:02,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:14:02,679 INFO L85 PathProgramCache]: Analyzing trace with hash 411113393, now seen corresponding path program 2 times [2023-05-04 10:14:02,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:14:02,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149903612] [2023-05-04 10:14:02,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:14:02,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:14:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:14:03,522 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 10:14:03,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:14:03,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149903612] [2023-05-04 10:14:03,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149903612] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:14:03,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130552229] [2023-05-04 10:14:03,522 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 10:14:03,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:14:03,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:14:03,525 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 10:14:03,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 10:14:03,862 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 10:14:03,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 10:14:03,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 43 conjunts are in the unsatisfiable core [2023-05-04 10:14:03,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:14:04,793 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 10:14:04,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:14:06,208 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 10:14:06,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130552229] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:14:06,209 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:14:06,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 24] total 64 [2023-05-04 10:14:06,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241097756] [2023-05-04 10:14:06,209 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:14:06,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-05-04 10:14:06,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:14:06,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-05-04 10:14:06,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=340, Invalid=3692, Unknown=0, NotChecked=0, Total=4032 [2023-05-04 10:14:06,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:14:06,212 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:14:06,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 7.1875) internal successors, (460), 64 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 10:14:06,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:14:06,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:14:06,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:14:06,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 10:14:06,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:14:19,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:14:19,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:14:19,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:14:19,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 10:14:19,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-04 10:14:19,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-05-04 10:14:20,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:14:20,071 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:14:20,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:14:20,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1111804679, now seen corresponding path program 1 times [2023-05-04 10:14:20,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:14:20,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569669738] [2023-05-04 10:14:20,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:14:20,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:14:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:14:21,773 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 10:14:21,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:14:21,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569669738] [2023-05-04 10:14:21,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569669738] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:14:21,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544235841] [2023-05-04 10:14:21,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:14:21,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:14:21,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:14:21,774 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 10:14:21,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 10:14:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:14:21,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 68 conjunts are in the unsatisfiable core [2023-05-04 10:14:21,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:14:22,790 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 10:14:22,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:14:26,324 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 10:14:26,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544235841] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:14:26,325 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:14:26,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 35, 37] total 78 [2023-05-04 10:14:26,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305779481] [2023-05-04 10:14:26,325 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:14:26,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2023-05-04 10:14:26,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:14:26,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2023-05-04 10:14:26,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=701, Invalid=5305, Unknown=0, NotChecked=0, Total=6006 [2023-05-04 10:14:26,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:14:26,328 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:14:26,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 6.923076923076923) internal successors, (540), 78 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 10:14:26,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:14:26,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:14:26,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:14:26,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 10:14:26,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-04 10:14:26,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:15:07,113 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (mod (+ 4294967294 c_~n~0) 4294967296)) (.cse2 (mod (+ 4294967295 c_~n~0) 4294967296))) (and (let ((.cse0 (mod (+ 5 |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296))) (or (< .cse0 .cse1) (not (< .cse0 .cse2)))) (let ((.cse3 (mod (+ 2 |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296))) (or (not (< .cse3 .cse2)) (< .cse3 .cse1))) (let ((.cse4 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 10) 4294967296))) (or (< .cse4 .cse1) (not (< .cse4 .cse2)))) (let ((.cse5 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 8) 4294967296))) (or (< .cse5 .cse1) (not (< .cse5 .cse2)))) (let ((.cse6 (mod (+ 7 |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296))) (or (< .cse6 .cse1) (not (< .cse6 .cse2)))) (<= c_~n~0 (* 4294967296 (div c_~n~0 4294967296))) (let ((.cse7 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 14) 4294967296))) (or (< .cse7 .cse1) (not (< .cse7 .cse2)))) (let ((.cse8 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 12) 4294967296))) (or (not (< .cse8 .cse2)) (< .cse8 .cse1))) (not (< (mod |c_thread2Thread1of1ForFork1_~i~1#1| 4294967296) .cse2)) (let ((.cse9 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 11) 4294967296))) (or (< .cse9 .cse1) (not (< .cse9 .cse2)))) (let ((.cse10 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 13) 4294967296))) (or (not (< .cse10 .cse2)) (< .cse10 .cse1))) (let ((.cse11 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 4) 4294967296))) (or (< .cse11 .cse1) (not (< .cse11 .cse2)))) (let ((.cse12 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 6) 4294967296))) (or (< .cse12 .cse1) (not (< .cse12 .cse2)))) (= |c_thread1Thread1of1ForFork0_~i~0#1| 0) (let ((.cse13 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 3) 4294967296))) (or (< .cse13 .cse1) (not (< .cse13 .cse2)))) (let ((.cse14 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 1) 4294967296))) (or (not (< .cse14 .cse2)) (< .cse14 .cse1))) (let ((.cse15 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 15) 4294967296))) (or (not (< .cse15 .cse2)) (< .cse15 .cse1))) (let ((.cse16 (mod (+ 9 |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296))) (or (< .cse16 .cse1) (not (< .cse16 .cse2)))))) is different from false [2023-05-04 10:15:40,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:15:40,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:15:40,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:15:40,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 10:15:40,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-05-04 10:15:40,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-04 10:15:40,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 10:15:40,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:15:40,964 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:15:40,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:15:40,965 INFO L85 PathProgramCache]: Analyzing trace with hash -922140175, now seen corresponding path program 3 times [2023-05-04 10:15:40,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:15:40,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030396023] [2023-05-04 10:15:40,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:15:40,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:15:41,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:15:43,423 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 784 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 10:15:43,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:15:43,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030396023] [2023-05-04 10:15:43,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030396023] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:15:43,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525562282] [2023-05-04 10:15:43,424 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 10:15:43,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:15:43,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:15:43,425 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 10:15:43,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 10:15:43,776 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-05-04 10:15:43,776 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 10:15:43,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 92 conjunts are in the unsatisfiable core [2023-05-04 10:15:43,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:15:46,845 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 784 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 10:15:46,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:15:54,096 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 784 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 10:15:54,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525562282] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:15:54,096 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:15:54,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 49] total 137 [2023-05-04 10:15:54,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259754526] [2023-05-04 10:15:54,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:15:54,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2023-05-04 10:15:54,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:15:54,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2023-05-04 10:15:54,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1817, Invalid=16815, Unknown=0, NotChecked=0, Total=18632 [2023-05-04 10:15:54,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:15:54,101 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:15:54,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 137 states have (on average 6.591240875912408) internal successors, (903), 137 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 10:15:54,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:15:54,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:15:54,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:15:54,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 10:15:54,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2023-05-04 10:15:54,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-04 10:15:54,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:16:07,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:17:15,847 WARN L233 SmtUtils]: Spent 38.80s on a formula simplification. DAG size of input: 101 DAG size of output: 70 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:18:30,663 WARN L233 SmtUtils]: Spent 40.36s on a formula simplification. DAG size of input: 94 DAG size of output: 63 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:18:33,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:18:35,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:19:51,425 WARN L233 SmtUtils]: Spent 46.74s on a formula simplification. DAG size of input: 101 DAG size of output: 70 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:21:07,451 WARN L233 SmtUtils]: Spent 37.53s on a formula simplification. DAG size of input: 94 DAG size of output: 63 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:21:11,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:21:14,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:22:16,455 WARN L233 SmtUtils]: Spent 33.07s on a formula simplification. DAG size of input: 97 DAG size of output: 68 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:22:24,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:22:27,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:22:31,392 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (mod (+ 4294967295 c_~n~0) 4294967296)) (.cse1 (mod (+ 4294967294 c_~n~0) 4294967296))) (and (let ((.cse0 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 8) 4294967296))) (or (< .cse0 .cse1) (< .cse0 .cse2))) (let ((.cse3 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 10) 4294967296))) (or (< .cse3 .cse2) (< .cse3 .cse1))) (let ((.cse4 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 13) 4294967296))) (or (< .cse4 .cse2) (< .cse4 .cse1))) (let ((.cse5 (mod (+ 19 |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296))) (or (< .cse5 .cse2) (< .cse5 .cse1))) (let ((.cse6 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 14) 4294967296))) (or (< .cse6 .cse1) (< .cse6 .cse2))) (<= c_~n~0 (* 4294967296 (div c_~n~0 4294967296))) (let ((.cse7 (mod (+ 9 |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296))) (or (< .cse7 .cse1) (< .cse7 .cse2))) (let ((.cse8 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 3) 4294967296))) (or (< .cse8 .cse1) (< .cse8 .cse2))) (let ((.cse9 (mod (+ 16 |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296))) (or (< .cse9 .cse1) (< .cse9 .cse2))) (let ((.cse10 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 18) 4294967296))) (or (< .cse10 .cse2) (< .cse10 .cse1))) (let ((.cse11 (mod (+ 5 |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296))) (or (< .cse11 .cse2) (< .cse11 .cse1))) (= |c_thread1Thread1of1ForFork0_~i~0#1| 0) (let ((.cse12 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 4) 4294967296))) (or (< .cse12 .cse1) (< .cse12 .cse2))) (let ((.cse13 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 6) 4294967296))) (or (< .cse13 .cse2) (< .cse13 .cse1))) (let ((.cse14 (mod (+ 21 |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296))) (or (< .cse14 .cse1) (< .cse14 .cse2))) (let ((.cse15 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 20) 4294967296))) (or (< .cse15 .cse1) (< .cse15 .cse2))) (let ((.cse16 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 11) 4294967296))) (or (< .cse16 .cse1) (< .cse16 .cse2))) (< (mod |c_thread2Thread1of1ForFork1_~i~1#1| 4294967296) .cse2) (let ((.cse17 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 15) 4294967296))) (or (< .cse17 .cse1) (< .cse17 .cse2))) (let ((.cse18 (mod (+ 7 |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296))) (or (< .cse18 .cse1) (< .cse18 .cse2))) (let ((.cse19 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 12) 4294967296))) (or (< .cse19 .cse1) (< .cse19 .cse2))) (let ((.cse20 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 17) 4294967296))) (or (< .cse20 .cse2) (< .cse20 .cse1))))) is different from false [2023-05-04 10:22:48,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-05-04 10:22:51,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:24:06,432 WARN L233 SmtUtils]: Spent 48.62s on a formula simplification. DAG size of input: 91 DAG size of output: 62 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:24:40,269 WARN L233 SmtUtils]: Spent 15.69s on a formula simplification. DAG size of input: 89 DAG size of output: 62 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:25:17,774 WARN L233 SmtUtils]: Spent 15.16s on a formula simplification. DAG size of input: 83 DAG size of output: 56 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:25:51,301 WARN L233 SmtUtils]: Spent 13.83s on a formula simplification. DAG size of input: 89 DAG size of output: 62 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:26:29,083 WARN L233 SmtUtils]: Spent 14.14s on a formula simplification. DAG size of input: 83 DAG size of output: 56 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:26:56,340 WARN L233 SmtUtils]: Spent 15.47s on a formula simplification. DAG size of input: 85 DAG size of output: 60 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:27:36,194 WARN L233 SmtUtils]: Spent 13.11s on a formula simplification. DAG size of input: 80 DAG size of output: 55 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:28:01,808 WARN L233 SmtUtils]: Spent 5.48s on a formula simplification. DAG size of input: 72 DAG size of output: 49 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-05-04 10:28:27,740 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 10:28:27,741 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 10:28:27,740 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 10:28:27,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-05-04 10:28:28,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:28:28,005 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 230 known predicates. [2023-05-04 10:28:28,007 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 10:28:28,007 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 10:28:28,007 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 10:28:28,010 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2023-05-04 10:28:28,012 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 10:28:28,012 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 10:28:28,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 10:28:28 BasicIcfg [2023-05-04 10:28:28,014 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 10:28:28,014 INFO L158 Benchmark]: Toolchain (without parser) took 874492.36ms. Allocated memory was 178.3MB in the beginning and 413.1MB in the end (delta: 234.9MB). Free memory was 150.6MB in the beginning and 187.5MB in the end (delta: -36.9MB). Peak memory consumption was 197.8MB. Max. memory is 8.0GB. [2023-05-04 10:28:28,014 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 178.3MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 10:28:28,014 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.42ms. Allocated memory was 178.3MB in the beginning and 225.4MB in the end (delta: 47.2MB). Free memory was 150.3MB in the beginning and 192.4MB in the end (delta: -42.0MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. [2023-05-04 10:28:28,015 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.20ms. Allocated memory is still 225.4MB. Free memory was 192.4MB in the beginning and 190.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 10:28:28,015 INFO L158 Benchmark]: Boogie Preprocessor took 34.68ms. Allocated memory is still 225.4MB. Free memory was 190.3MB in the beginning and 188.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 10:28:28,015 INFO L158 Benchmark]: RCFGBuilder took 435.17ms. Allocated memory is still 225.4MB. Free memory was 188.7MB in the beginning and 170.3MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-05-04 10:28:28,015 INFO L158 Benchmark]: TraceAbstraction took 873741.83ms. Allocated memory was 225.4MB in the beginning and 413.1MB in the end (delta: 187.7MB). Free memory was 168.8MB in the beginning and 187.5MB in the end (delta: -18.7MB). Peak memory consumption was 169.5MB. Max. memory is 8.0GB. [2023-05-04 10:28:28,016 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 178.3MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 226.42ms. Allocated memory was 178.3MB in the beginning and 225.4MB in the end (delta: 47.2MB). Free memory was 150.3MB in the beginning and 192.4MB in the end (delta: -42.0MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.20ms. Allocated memory is still 225.4MB. Free memory was 192.4MB in the beginning and 190.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.68ms. Allocated memory is still 225.4MB. Free memory was 190.3MB in the beginning and 188.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 435.17ms. Allocated memory is still 225.4MB. Free memory was 188.7MB in the beginning and 170.3MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 873741.83ms. Allocated memory was 225.4MB in the beginning and 413.1MB in the end (delta: 187.7MB). Free memory was 168.8MB in the beginning and 187.5MB in the end (delta: -18.7MB). Peak memory consumption was 169.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3519, independent: 2404, independent conditional: 283, independent unconditional: 2121, dependent: 1115, dependent conditional: 1109, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2410, independent: 2404, independent conditional: 283, independent unconditional: 2121, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2410, independent: 2404, independent conditional: 283, independent unconditional: 2121, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2410, independent: 2404, independent conditional: 0, independent unconditional: 2404, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2410, independent: 2404, independent conditional: 0, independent unconditional: 2404, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2410, independent: 2404, independent conditional: 0, independent unconditional: 2404, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1959, independent: 1953, independent conditional: 0, independent unconditional: 1953, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1959, independent: 1952, independent conditional: 0, independent unconditional: 1952, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 74, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2410, independent: 451, independent conditional: 0, independent unconditional: 451, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1959, unknown conditional: 0, unknown unconditional: 1959] , Statistics on independence cache: Total cache size (in pairs): 1959, Positive cache size: 1953, Positive conditional cache size: 0, Positive unconditional cache size: 1953, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1109 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 254, Number of trivial persistent sets: 237, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2127, independent: 2121, independent conditional: 0, independent unconditional: 2121, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3519, independent: 2404, independent conditional: 283, independent unconditional: 2121, dependent: 1115, dependent conditional: 1109, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2410, independent: 2404, independent conditional: 283, independent unconditional: 2121, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2410, independent: 2404, independent conditional: 283, independent unconditional: 2121, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2410, independent: 2404, independent conditional: 0, independent unconditional: 2404, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2410, independent: 2404, independent conditional: 0, independent unconditional: 2404, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2410, independent: 2404, independent conditional: 0, independent unconditional: 2404, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1959, independent: 1953, independent conditional: 0, independent unconditional: 1953, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1959, independent: 1952, independent conditional: 0, independent unconditional: 1952, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 74, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2410, independent: 451, independent conditional: 0, independent unconditional: 451, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1959, unknown conditional: 0, unknown unconditional: 1959] , Statistics on independence cache: Total cache size (in pairs): 1959, Positive cache size: 1953, Positive conditional cache size: 0, Positive unconditional cache size: 1953, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1109 - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 230 known predicates. - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 230 known predicates. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 230 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 284 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 873.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 843.7s, 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: 314, 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: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 26.8s InterpolantComputationTime, 2725 NumberOfCodeBlocks, 2725 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 3869 ConstructedInterpolants, 21 QuantifiedInterpolants, 42898 SizeOfPredicates, 138 NumberOfNonLiveVariables, 2365 ConjunctsInSsa, 260 ConjunctsInUnsatCore, 18 InterpolantComputations, 3 PerfectInterpolantSequences, 85/3912 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown