/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 12:18:32,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 12:18:32,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 12:18:32,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 12:18:32,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 12:18:32,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 12:18:32,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 12:18:32,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 12:18:32,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 12:18:32,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 12:18:32,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 12:18:32,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 12:18:32,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 12:18:32,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 12:18:32,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 12:18:32,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 12:18:32,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 12:18:32,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 12:18:32,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 12:18:32,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 12:18:32,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 12:18:32,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 12:18:32,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 12:18:32,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 12:18:32,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 12:18:32,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 12:18:32,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 12:18:32,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 12:18:32,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 12:18:32,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 12:18:32,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 12:18:32,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 12:18:32,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 12:18:32,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 12:18:32,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 12:18:32,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 12:18:32,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 12:18:32,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 12:18:32,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 12:18:32,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 12:18:32,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 12:18:32,867 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 12:18:32,889 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 12:18:32,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 12:18:32,890 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 12:18:32,890 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 12:18:32,891 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 12:18:32,891 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 12:18:32,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 12:18:32,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 12:18:32,892 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 12:18:32,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 12:18:32,892 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 12:18:32,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 12:18:32,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 12:18:32,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 12:18:32,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 12:18:32,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 12:18:32,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 12:18:32,893 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 12:18:32,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 12:18:32,893 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 12:18:32,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 12:18:32,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 12:18:32,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 12:18:32,893 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 12:18:32,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 12:18:32,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 12:18:32,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 12:18:32,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 12:18:32,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 12:18:32,894 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 12:18:32,894 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 12:18:32,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 12:18:32,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 12:18:32,894 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 12:18:32,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 12:18:32,894 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 12:18:32,895 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-20 12:18:33,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 12:18:33,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 12:18:33,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 12:18:33,113 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 12:18:33,115 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 12:18:33,116 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-3.wvr.c [2023-05-20 12:18:33,171 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/263fba6e0/fc34a00f06794347a4f0b78b70981ec1/FLAG84439d8fe [2023-05-20 12:18:33,537 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 12:18:33,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-3.wvr.c [2023-05-20 12:18:33,553 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/263fba6e0/fc34a00f06794347a4f0b78b70981ec1/FLAG84439d8fe [2023-05-20 12:18:33,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/263fba6e0/fc34a00f06794347a4f0b78b70981ec1 [2023-05-20 12:18:33,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 12:18:33,565 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 12:18:33,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 12:18:33,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 12:18:33,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 12:18:33,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 12:18:33" (1/1) ... [2023-05-20 12:18:33,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24a5cae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:18:33, skipping insertion in model container [2023-05-20 12:18:33,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 12:18:33" (1/1) ... [2023-05-20 12:18:33,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 12:18:33,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 12:18:33,765 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-3.wvr.c[2500,2513] [2023-05-20 12:18:33,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 12:18:33,779 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 12:18:33,806 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-3.wvr.c[2500,2513] [2023-05-20 12:18:33,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 12:18:33,820 INFO L208 MainTranslator]: Completed translation [2023-05-20 12:18:33,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:18:33 WrapperNode [2023-05-20 12:18:33,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 12:18:33,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 12:18:33,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 12:18:33,822 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 12:18:33,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:18:33" (1/1) ... [2023-05-20 12:18:33,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:18:33" (1/1) ... [2023-05-20 12:18:33,860 INFO L138 Inliner]: procedures = 24, calls = 34, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 144 [2023-05-20 12:18:33,860 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 12:18:33,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 12:18:33,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 12:18:33,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 12:18:33,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:18:33" (1/1) ... [2023-05-20 12:18:33,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:18:33" (1/1) ... [2023-05-20 12:18:33,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:18:33" (1/1) ... [2023-05-20 12:18:33,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:18:33" (1/1) ... [2023-05-20 12:18:33,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:18:33" (1/1) ... [2023-05-20 12:18:33,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:18:33" (1/1) ... [2023-05-20 12:18:33,888 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:18:33" (1/1) ... [2023-05-20 12:18:33,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:18:33" (1/1) ... [2023-05-20 12:18:33,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 12:18:33,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 12:18:33,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 12:18:33,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 12:18:33,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:18:33" (1/1) ... [2023-05-20 12:18:33,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 12:18:33,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:18:33,928 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-20 12:18:33,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-20 12:18:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 12:18:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 12:18:33,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 12:18:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 12:18:33,962 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 12:18:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 12:18:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 12:18:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 12:18:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 12:18:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 12:18:33,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 12:18:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 12:18:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 12:18:33,964 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 12:18:34,040 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 12:18:34,042 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 12:18:34,238 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 12:18:34,244 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 12:18:34,244 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-20 12:18:34,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 12:18:34 BoogieIcfgContainer [2023-05-20 12:18:34,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 12:18:34,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 12:18:34,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 12:18:34,250 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 12:18:34,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 12:18:33" (1/3) ... [2023-05-20 12:18:34,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c6dabc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 12:18:34, skipping insertion in model container [2023-05-20 12:18:34,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:18:33" (2/3) ... [2023-05-20 12:18:34,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c6dabc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 12:18:34, skipping insertion in model container [2023-05-20 12:18:34,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 12:18:34" (3/3) ... [2023-05-20 12:18:34,251 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.c [2023-05-20 12:18:34,256 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 12:18:34,262 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 12:18:34,262 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 12:18:34,262 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 12:18:34,339 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-20 12:18:34,382 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 12:18:34,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 12:18:34,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:18:34,385 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 12:18:34,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-20 12:18:34,424 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 12:18:34,440 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 12:18:34,448 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;@4f15deed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 12:18:34,448 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-20 12:18:34,597 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 12:18:34,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:18:34,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1602932741, now seen corresponding path program 1 times [2023-05-20 12:18:34,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:18:34,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637673447] [2023-05-20 12:18:34,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:18:34,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:18:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:18:34,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 12:18:34,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:18:34,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637673447] [2023-05-20 12:18:34,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637673447] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 12:18:34,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 12:18:34,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 12:18:34,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281106510] [2023-05-20 12:18:34,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 12:18:34,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 12:18:34,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:18:34,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 12:18:34,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 12:18:34,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:34,841 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:18:34,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 67.0) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:18:34,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:34,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:34,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 12:18:34,868 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 12:18:34,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:18:34,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1774791623, now seen corresponding path program 1 times [2023-05-20 12:18:34,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:18:34,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370768306] [2023-05-20 12:18:34,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:18:34,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:18:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:18:35,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 12:18:35,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:18:35,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370768306] [2023-05-20 12:18:35,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370768306] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 12:18:35,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 12:18:35,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-20 12:18:35,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72283561] [2023-05-20 12:18:35,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 12:18:35,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-20 12:18:35,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:18:35,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-20 12:18:35,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-20 12:18:35,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:35,247 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:18:35,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:18:35,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:35,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:35,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:35,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 12:18:35,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 12:18:35,284 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 12:18:35,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:18:35,285 INFO L85 PathProgramCache]: Analyzing trace with hash -879358802, now seen corresponding path program 1 times [2023-05-20 12:18:35,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:18:35,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087173840] [2023-05-20 12:18:35,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:18:35,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:18:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:18:35,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 12:18:35,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:18:35,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087173840] [2023-05-20 12:18:35,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087173840] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 12:18:35,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 12:18:35,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-20 12:18:35,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192045129] [2023-05-20 12:18:35,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 12:18:35,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-20 12:18:35,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:18:35,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-20 12:18:35,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-05-20 12:18:35,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:35,511 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:18:35,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:18:35,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:35,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 12:18:35,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 12:18:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:18:35,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 12:18:35,615 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 12:18:35,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:18:35,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1190976265, now seen corresponding path program 1 times [2023-05-20 12:18:35,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:18:35,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377324626] [2023-05-20 12:18:35,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:18:35,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:18:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:18:35,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 12:18:35,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:18:35,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377324626] [2023-05-20 12:18:35,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377324626] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 12:18:35,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 12:18:35,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 12:18:35,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111295311] [2023-05-20 12:18:35,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 12:18:35,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 12:18:35,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:18:35,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 12:18:35,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-20 12:18:35,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:35,826 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:18:35,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:18:35,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:35,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 12:18:35,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:18:35,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:35,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:35,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 12:18:35,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:18:35,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:18:35,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-20 12:18:35,965 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 12:18:35,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:18:35,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1543734078, now seen corresponding path program 1 times [2023-05-20 12:18:35,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:18:35,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139969362] [2023-05-20 12:18:35,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:18:35,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:18:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:18:36,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 12:18:36,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:18:36,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139969362] [2023-05-20 12:18:36,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139969362] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 12:18:36,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 12:18:36,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-20 12:18:36,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527131874] [2023-05-20 12:18:36,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 12:18:36,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 12:18:36,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:18:36,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 12:18:36,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-05-20 12:18:36,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:36,145 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:18:36,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:18:36,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:36,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 12:18:36,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:18:36,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:18:36,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:36,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:36,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 12:18:36,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:18:36,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:18:36,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 12:18:36,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-20 12:18:36,229 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 12:18:36,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:18:36,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1192472774, now seen corresponding path program 1 times [2023-05-20 12:18:36,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:18:36,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693372378] [2023-05-20 12:18:36,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:18:36,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:18:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:18:36,746 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 25 proven. 50 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 12:18:36,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:18:36,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693372378] [2023-05-20 12:18:36,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693372378] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 12:18:36,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241139249] [2023-05-20 12:18:36,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:18:36,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:18:36,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:18:36,751 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 12:18:36,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 12:18:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:18:36,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 30 conjunts are in the unsatisfiable core [2023-05-20 12:18:36,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 12:18:37,412 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 25 proven. 58 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 12:18:37,413 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 12:18:38,726 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 25 proven. 58 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 12:18:38,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241139249] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 12:18:38,726 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 12:18:38,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17, 17] total 39 [2023-05-20 12:18:38,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134441546] [2023-05-20 12:18:38,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 12:18:38,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-05-20 12:18:38,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:18:38,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-05-20 12:18:38,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1332, Unknown=0, NotChecked=0, Total=1482 [2023-05-20 12:18:38,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:38,729 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:18:38,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 8.512820512820513) internal successors, (332), 39 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:18:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 12:18:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:18:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:18:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 12:18:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:39,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:39,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 12:18:39,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:18:39,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:18:39,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 12:18:39,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-20 12:18:39,693 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-20 12:18:39,874 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,SelfDestructingSolverStorable5 [2023-05-20 12:18:39,875 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 12:18:39,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:18:39,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1508704054, now seen corresponding path program 2 times [2023-05-20 12:18:39,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:18:39,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335227567] [2023-05-20 12:18:39,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:18:39,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:18:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:18:40,561 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 61 proven. 152 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-05-20 12:18:40,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:18:40,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335227567] [2023-05-20 12:18:40,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335227567] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 12:18:40,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852268769] [2023-05-20 12:18:40,561 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 12:18:40,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:18:40,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:18:40,563 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 12:18:40,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 12:18:40,692 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 12:18:40,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 12:18:40,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 55 conjunts are in the unsatisfiable core [2023-05-20 12:18:40,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 12:18:40,724 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 12:18:40,742 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-05-20 12:18:40,742 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2023-05-20 12:18:40,896 INFO L356 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2023-05-20 12:18:40,896 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2023-05-20 12:18:40,991 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-20 12:18:41,196 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 12:18:41,245 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 12:18:42,026 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 12:18:42,026 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 23 treesize of output 10 [2023-05-20 12:18:42,137 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 64 proven. 99 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-05-20 12:18:42,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 12:18:44,364 WARN L833 $PredicateComparison]: unable to prove that (forall ((~x1~0 Int) (v_ArrVal_108 (Array Int Int)) (~x2~0 Int) (v_ArrVal_107 (Array Int Int))) (or (< ~x1~0 0) (<= c_~size~0 ~x1~0) (< ~x2~0 0) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_107) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_108) c_~f~0.base))) (= (select .cse0 (+ c_~f~0.offset (* ~x2~0 4))) (select .cse0 (+ (* ~x1~0 4) c_~f~0.offset)))) (<= c_~size~0 ~x2~0))) is different from false [2023-05-20 12:18:44,653 WARN L833 $PredicateComparison]: unable to prove that (forall ((~x1~0 Int) (v_ArrVal_108 (Array Int Int)) (~x2~0 Int) (v_ArrVal_107 (Array Int Int))) (or (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_107) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_108) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (= (select .cse0 (+ (* ~x2~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (select .cse0 (+ (* ~x1~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (< ~x1~0 0) (<= c_~size~0 ~x1~0) (< ~x2~0 0) (<= c_~size~0 ~x2~0))) is different from false [2023-05-20 12:18:45,429 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 12:18:45,429 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 44 [2023-05-20 12:18:45,438 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-20 12:18:45,439 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 198 treesize of output 173 [2023-05-20 12:18:45,446 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-05-20 12:18:45,446 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 166 treesize of output 142 [2023-05-20 12:18:45,452 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-05-20 12:18:45,453 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 142 treesize of output 94 [2023-05-20 12:18:45,757 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 41 proven. 122 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-05-20 12:18:45,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852268769] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 12:18:45,758 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 12:18:45,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 29, 27] total 63 [2023-05-20 12:18:45,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837885899] [2023-05-20 12:18:45,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 12:18:45,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2023-05-20 12:18:45,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:18:45,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2023-05-20 12:18:45,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=3321, Unknown=37, NotChecked=238, Total=3906 [2023-05-20 12:18:45,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:45,760 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:18:45,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 8.301587301587302) internal successors, (523), 63 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:18:45,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:45,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 12:18:45,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:18:45,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:18:45,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 12:18:45,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-20 12:18:45,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:49,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:18:49,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 12:18:49,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:18:49,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:18:49,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 12:18:49,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-20 12:18:49,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-05-20 12:18:49,281 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-20 12:18:49,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:18:49,440 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 12:18:49,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:18:49,441 INFO L85 PathProgramCache]: Analyzing trace with hash -422539077, now seen corresponding path program 3 times [2023-05-20 12:18:49,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:18:49,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776598597] [2023-05-20 12:18:49,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:18:49,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:18:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:18:50,564 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 118 proven. 301 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2023-05-20 12:18:50,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:18:50,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776598597] [2023-05-20 12:18:50,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776598597] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 12:18:50,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297220349] [2023-05-20 12:18:50,564 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 12:18:50,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:18:50,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:18:50,577 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 12:18:50,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 12:18:52,688 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-05-20 12:18:52,689 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 12:18:52,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 78 conjunts are in the unsatisfiable core [2023-05-20 12:18:52,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 12:18:54,117 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 118 proven. 591 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 12:18:54,117 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 12:19:05,943 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 118 proven. 590 refuted. 1 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 12:19:05,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297220349] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 12:19:05,943 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 12:19:05,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 41, 41] total 89 [2023-05-20 12:19:05,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398434316] [2023-05-20 12:19:05,944 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 12:19:05,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2023-05-20 12:19:05,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:19:05,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2023-05-20 12:19:05,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=654, Invalid=7176, Unknown=2, NotChecked=0, Total=7832 [2023-05-20 12:19:05,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:19:05,970 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:19:05,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 7.561797752808989) internal successors, (673), 89 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:19:05,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:19:05,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 12:19:05,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:19:05,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:19:05,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 12:19:05,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-20 12:19:05,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-05-20 12:19:05,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:19:10,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:19:10,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 12:19:10,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:19:10,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:19:10,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 12:19:10,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-20 12:19:10,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-05-20 12:19:10,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-20 12:19:10,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-20 12:19:10,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:19:10,657 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 12:19:10,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:19:10,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1452622559, now seen corresponding path program 4 times [2023-05-20 12:19:10,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:19:10,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241671185] [2023-05-20 12:19:10,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:19:10,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:19:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:19:13,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1262 backedges. 157 proven. 1096 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 12:19:13,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:19:13,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241671185] [2023-05-20 12:19:13,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241671185] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 12:19:13,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809904079] [2023-05-20 12:19:13,583 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 12:19:13,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:19:13,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:19:13,584 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 12:19:13,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 12:19:13,828 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 12:19:13,829 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 12:19:13,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 102 conjunts are in the unsatisfiable core [2023-05-20 12:19:13,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 12:19:15,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1262 backedges. 157 proven. 1096 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 12:19:15,123 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 12:19:39,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1262 backedges. 157 proven. 1090 refuted. 6 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 12:19:39,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809904079] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 12:19:39,066 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 12:19:39,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 53, 53] total 110 [2023-05-20 12:19:39,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677532996] [2023-05-20 12:19:39,066 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 12:19:39,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2023-05-20 12:19:39,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:19:39,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2023-05-20 12:19:39,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=862, Invalid=11123, Unknown=5, NotChecked=0, Total=11990 [2023-05-20 12:19:39,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:19:39,072 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:19:39,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 6.963636363636364) internal successors, (766), 110 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 12:19:39,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:19:39,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 12:19:39,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:19:39,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:19:39,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 12:19:39,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-20 12:19:39,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-05-20 12:19:39,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-20 12:19:39,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:20:03,645 WARN L233 SmtUtils]: Spent 5.54s on a formula simplification. DAG size of input: 64 DAG size of output: 38 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 12:21:07,951 WARN L233 SmtUtils]: Spent 9.82s on a formula simplification. DAG size of input: 132 DAG size of output: 28 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 12:21:58,555 WARN L233 SmtUtils]: Spent 10.41s on a formula simplification. DAG size of input: 147 DAG size of output: 27 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 12:25:15,749 WARN L233 SmtUtils]: Spent 2.17m on a formula simplification. DAG size of input: 236 DAG size of output: 116 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 12:25:30,650 WARN L233 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 65 DAG size of output: 40 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 12:27:01,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:27:01,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 12:27:01,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:27:01,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 12:27:01,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 12:27:01,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-20 12:27:01,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-05-20 12:27:01,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-20 12:27:01,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-05-20 12:27:01,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 12:27:01,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:27:01,249 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 12:27:01,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:27:01,249 INFO L85 PathProgramCache]: Analyzing trace with hash 563808664, now seen corresponding path program 5 times [2023-05-20 12:27:01,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:27:01,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262096956] [2023-05-20 12:27:01,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:27:01,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:27:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:27:38,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1105 backedges. 0 proven. 1105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 12:27:38,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:27:38,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262096956] [2023-05-20 12:27:38,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262096956] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 12:27:38,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771379240] [2023-05-20 12:27:38,547 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 12:27:38,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:27:38,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:27:38,548 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 12:27:38,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 12:27:42,036 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2023-05-20 12:27:42,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 12:27:42,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 198 conjunts are in the unsatisfiable core [2023-05-20 12:27:42,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 12:27:58,844 INFO L356 Elim1Store]: treesize reduction 34, result has 30.6 percent of original size [2023-05-20 12:27:58,845 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 91 treesize of output 48 [2023-05-20 12:27:59,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1105 backedges. 84 proven. 929 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-05-20 12:27:59,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 12:31:07,548 WARN L233 SmtUtils]: Spent 32.80s on a formula simplification. DAG size of input: 1159 DAG size of output: 1123 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-20 12:31:07,551 INFO L356 Elim1Store]: treesize reduction 60, result has 97.5 percent of original size [2023-05-20 12:31:07,552 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 46 new quantified variables, introduced 276 case distinctions, treesize of input 1688 treesize of output 2592 Received shutdown request... [2023-05-20 12:32:49,629 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-20 12:32:49,630 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-20 12:32:49,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-05-20 12:32:49,640 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 12:32:49,640 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 [2023-05-20 12:32:49,640 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 [2023-05-20 12:32:49,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:32:49,831 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 415 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 24ms.. [2023-05-20 12:32:49,832 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-20 12:32:49,832 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-20 12:32:49,835 INFO L444 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1] [2023-05-20 12:32:49,836 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 12:32:49,836 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 12:32:49,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 12:32:49 BasicIcfg [2023-05-20 12:32:49,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 12:32:49,838 INFO L158 Benchmark]: Toolchain (without parser) took 856273.16ms. Allocated memory was 215.0MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 187.7MB in the beginning and 2.1GB in the end (delta: -1.9GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2023-05-20 12:32:49,838 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 170.9MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 12:32:49,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.65ms. Allocated memory is still 215.0MB. Free memory was 187.7MB in the beginning and 182.7MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-05-20 12:32:49,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.56ms. Allocated memory is still 215.0MB. Free memory was 182.7MB in the beginning and 180.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 12:32:49,839 INFO L158 Benchmark]: Boogie Preprocessor took 29.74ms. Allocated memory is still 215.0MB. Free memory was 180.6MB in the beginning and 179.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-20 12:32:49,839 INFO L158 Benchmark]: RCFGBuilder took 354.79ms. Allocated memory is still 215.0MB. Free memory was 179.1MB in the beginning and 162.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-05-20 12:32:49,839 INFO L158 Benchmark]: TraceAbstraction took 855590.49ms. Allocated memory was 215.0MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 160.7MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2023-05-20 12:32:49,840 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 170.9MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 254.65ms. Allocated memory is still 215.0MB. Free memory was 187.7MB in the beginning and 182.7MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.56ms. Allocated memory is still 215.0MB. Free memory was 182.7MB in the beginning and 180.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.74ms. Allocated memory is still 215.0MB. Free memory was 180.6MB in the beginning and 179.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 354.79ms. Allocated memory is still 215.0MB. Free memory was 179.1MB in the beginning and 162.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 855590.49ms. Allocated memory was 215.0MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 160.7MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8475, independent: 7279, independent conditional: 2300, independent unconditional: 4979, dependent: 1196, dependent conditional: 1189, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7286, independent: 7279, independent conditional: 2300, independent unconditional: 4979, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7286, independent: 7279, independent conditional: 2300, independent unconditional: 4979, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7286, independent: 7279, independent conditional: 0, independent unconditional: 7279, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7286, independent: 7279, independent conditional: 0, independent unconditional: 7279, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7286, independent: 7279, independent conditional: 0, independent unconditional: 7279, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3162, independent: 3155, independent conditional: 0, independent unconditional: 3155, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3162, independent: 3154, independent conditional: 0, independent unconditional: 3154, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, independent: 35, independent conditional: 0, independent unconditional: 35, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7286, independent: 4124, independent conditional: 0, independent unconditional: 4124, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 3162, unknown conditional: 0, unknown unconditional: 3162] , Statistics on independence cache: Total cache size (in pairs): 3162, Positive cache size: 3155, Positive conditional cache size: 0, Positive unconditional cache size: 3155, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, 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: 1189 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 558, Number of trivial persistent sets: 195, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4986, independent: 4979, independent conditional: 0, independent unconditional: 4979, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8475, independent: 7279, independent conditional: 2300, independent unconditional: 4979, dependent: 1196, dependent conditional: 1189, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7286, independent: 7279, independent conditional: 2300, independent unconditional: 4979, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7286, independent: 7279, independent conditional: 2300, independent unconditional: 4979, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7286, independent: 7279, independent conditional: 0, independent unconditional: 7279, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7286, independent: 7279, independent conditional: 0, independent unconditional: 7279, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7286, independent: 7279, independent conditional: 0, independent unconditional: 7279, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3162, independent: 3155, independent conditional: 0, independent unconditional: 3155, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3162, independent: 3154, independent conditional: 0, independent unconditional: 3154, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, independent: 35, independent conditional: 0, independent unconditional: 35, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7286, independent: 4124, independent conditional: 0, independent unconditional: 4124, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 3162, unknown conditional: 0, unknown unconditional: 3162] , Statistics on independence cache: Total cache size (in pairs): 3162, Positive cache size: 3155, Positive conditional cache size: 0, Positive unconditional cache size: 3155, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, 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: 1189 - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 415 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 24ms.. - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 415 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 24ms.. - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 415 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 24ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 235 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 855.4s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 451.4s, 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: 319, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 51.2s InterpolantComputationTime, 3058 NumberOfCodeBlocks, 3058 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 4279 ConstructedInterpolants, 856 QuantifiedInterpolants, 44661 SizeOfPredicates, 141 NumberOfNonLiveVariables, 2130 ConjunctsInSsa, 265 ConjunctsInUnsatCore, 17 InterpolantComputations, 5 PerfectInterpolantSequences, 1847/7157 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