/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/bigshot_s2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 07:32:10,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 07:32:10,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 07:32:10,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 07:32:10,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 07:32:10,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 07:32:10,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 07:32:10,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 07:32:10,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 07:32:10,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 07:32:10,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 07:32:10,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 07:32:10,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 07:32:10,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 07:32:10,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 07:32:10,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 07:32:10,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 07:32:10,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 07:32:10,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 07:32:10,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 07:32:10,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 07:32:10,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 07:32:10,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 07:32:10,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 07:32:10,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 07:32:10,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 07:32:10,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 07:32:10,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 07:32:10,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 07:32:10,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 07:32:10,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 07:32:10,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 07:32:10,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 07:32:10,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 07:32:10,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 07:32:10,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 07:32:10,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 07:32:10,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 07:32:10,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 07:32:10,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 07:32:10,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 07:32:10,796 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 07:32:10,828 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 07:32:10,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 07:32:10,830 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 07:32:10,830 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 07:32:10,831 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 07:32:10,831 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 07:32:10,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 07:32:10,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 07:32:10,832 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 07:32:10,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 07:32:10,833 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 07:32:10,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 07:32:10,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 07:32:10,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 07:32:10,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 07:32:10,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 07:32:10,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 07:32:10,834 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 07:32:10,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 07:32:10,834 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 07:32:10,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 07:32:10,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 07:32:10,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 07:32:10,835 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 07:32:10,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 07:32:10,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 07:32:10,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 07:32:10,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 07:32:10,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 07:32:10,836 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 07:32:10,836 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 07:32:10,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 07:32:10,836 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 07:32:10,836 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 07:32:10,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 07:32:10,837 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 07:32:10,837 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-04 07:32:11,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 07:32:11,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 07:32:11,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 07:32:11,119 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 07:32:11,120 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 07:32:11,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/bigshot_s2.i [2023-05-04 07:32:11,179 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2bc08c22/61a546db8131461681701b0d6cb7925e/FLAGd9e576256 [2023-05-04 07:32:11,688 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 07:32:11,689 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s2.i [2023-05-04 07:32:11,714 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2bc08c22/61a546db8131461681701b0d6cb7925e/FLAGd9e576256 [2023-05-04 07:32:12,014 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2bc08c22/61a546db8131461681701b0d6cb7925e [2023-05-04 07:32:12,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 07:32:12,017 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 07:32:12,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 07:32:12,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 07:32:12,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 07:32:12,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:32:12" (1/1) ... [2023-05-04 07:32:12,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ec0dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:32:12, skipping insertion in model container [2023-05-04 07:32:12,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:32:12" (1/1) ... [2023-05-04 07:32:12,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 07:32:12,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 07:32:12,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s2.i[55203,55216] [2023-05-04 07:32:12,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 07:32:12,629 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 07:32:12,676 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s2.i[55203,55216] [2023-05-04 07:32:12,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 07:32:12,761 INFO L208 MainTranslator]: Completed translation [2023-05-04 07:32:12,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:32:12 WrapperNode [2023-05-04 07:32:12,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 07:32:12,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 07:32:12,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 07:32:12,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 07:32:12,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:32:12" (1/1) ... [2023-05-04 07:32:12,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:32:12" (1/1) ... [2023-05-04 07:32:12,825 INFO L138 Inliner]: procedures = 323, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2023-05-04 07:32:12,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 07:32:12,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 07:32:12,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 07:32:12,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 07:32:12,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:32:12" (1/1) ... [2023-05-04 07:32:12,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:32:12" (1/1) ... [2023-05-04 07:32:12,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:32:12" (1/1) ... [2023-05-04 07:32:12,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:32:12" (1/1) ... [2023-05-04 07:32:12,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:32:12" (1/1) ... [2023-05-04 07:32:12,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:32:12" (1/1) ... [2023-05-04 07:32:12,862 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:32:12" (1/1) ... [2023-05-04 07:32:12,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:32:12" (1/1) ... [2023-05-04 07:32:12,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 07:32:12,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 07:32:12,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 07:32:12,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 07:32:12,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:32:12" (1/1) ... [2023-05-04 07:32:12,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 07:32:12,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:32:12,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-04 07:32:12,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-04 07:32:12,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 07:32:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 07:32:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-05-04 07:32:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 07:32:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 07:32:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 07:32:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 07:32:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 07:32:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 07:32:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 07:32:12,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 07:32:12,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 07:32:12,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 07:32:12,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 07:32:12,959 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 07:32:13,135 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 07:32:13,137 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 07:32:13,305 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 07:32:13,311 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 07:32:13,311 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-05-04 07:32:13,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:32:13 BoogieIcfgContainer [2023-05-04 07:32:13,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 07:32:13,315 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 07:32:13,315 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 07:32:13,318 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 07:32:13,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 07:32:12" (1/3) ... [2023-05-04 07:32:13,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f2a1d48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:32:13, skipping insertion in model container [2023-05-04 07:32:13,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:32:12" (2/3) ... [2023-05-04 07:32:13,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f2a1d48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:32:13, skipping insertion in model container [2023-05-04 07:32:13,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:32:13" (3/3) ... [2023-05-04 07:32:13,321 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_s2.i [2023-05-04 07:32:13,329 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 07:32:13,338 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 07:32:13,338 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 07:32:13,338 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 07:32:13,416 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 07:32:13,459 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 07:32:13,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 07:32:13,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:32:13,465 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 07:32:13,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-04 07:32:13,494 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 07:32:13,520 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 07:32:13,530 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;@4a3677c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 07:32:13,530 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 07:32:13,710 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:32:13,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:32:13,714 INFO L85 PathProgramCache]: Analyzing trace with hash 313478725, now seen corresponding path program 1 times [2023-05-04 07:32:13,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:32:13,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39360231] [2023-05-04 07:32:13,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:32:13,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:32:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:32:13,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:32:13,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:32:13,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39360231] [2023-05-04 07:32:13,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39360231] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:32:13,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 07:32:13,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 07:32:13,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349337915] [2023-05-04 07:32:13,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:32:13,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 07:32:13,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:32:14,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 07:32:14,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 07:32:14,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:32:14,017 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:32:14,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:32:14,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:32:14,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:32:14,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 07:32:14,073 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:32:14,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:32:14,074 INFO L85 PathProgramCache]: Analyzing trace with hash 976378276, now seen corresponding path program 1 times [2023-05-04 07:32:14,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:32:14,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686507728] [2023-05-04 07:32:14,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:32:14,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:32:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:32:14,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:32:14,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:32:14,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686507728] [2023-05-04 07:32:14,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686507728] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:32:14,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 07:32:14,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-05-04 07:32:14,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302217390] [2023-05-04 07:32:14,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:32:14,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-05-04 07:32:14,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:32:14,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-05-04 07:32:14,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-05-04 07:32:14,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:32:14,872 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:32:14,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:32:14,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:32:14,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:32:15,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:32:15,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 07:32:15,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 07:32:15,178 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:32:15,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:32:15,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1631730760, now seen corresponding path program 1 times [2023-05-04 07:32:15,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:32:15,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303382120] [2023-05-04 07:32:15,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:32:15,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:32:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:32:15,817 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:32:15,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:32:15,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303382120] [2023-05-04 07:32:15,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303382120] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:32:15,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755912789] [2023-05-04 07:32:15,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:32:15,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:32:15,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:32:15,822 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:32:15,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 07:32:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:32:15,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 43 conjunts are in the unsatisfiable core [2023-05-04 07:32:15,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:32:16,113 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-05-04 07:32:16,114 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-05-04 07:32:16,162 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 07:32:16,163 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-05-04 07:32:16,213 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 07:32:16,358 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 07:32:16,584 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 07:32:16,593 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-05-04 07:32:16,593 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2023-05-04 07:32:16,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:32:16,719 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 07:32:16,719 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 30 [2023-05-04 07:32:16,799 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 07:32:16,799 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2023-05-04 07:32:16,857 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:32:16,858 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:32:17,826 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:32:17,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755912789] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:32:17,827 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:32:17,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 19, 17] total 42 [2023-05-04 07:32:17,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344095979] [2023-05-04 07:32:17,828 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:32:17,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2023-05-04 07:32:17,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:32:17,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2023-05-04 07:32:17,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1577, Unknown=0, NotChecked=0, Total=1722 [2023-05-04 07:32:17,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:32:17,832 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:32:17,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.761904761904762) internal successors, (200), 42 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:32:17,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:32:17,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 07:32:17,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:32:18,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:32:18,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 07:32:18,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:32:18,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 07:32:19,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-05-04 07:32:19,165 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:32:19,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:32:19,166 INFO L85 PathProgramCache]: Analyzing trace with hash -260232304, now seen corresponding path program 2 times [2023-05-04 07:32:19,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:32:19,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133056334] [2023-05-04 07:32:19,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:32:19,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:32:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:32:19,820 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:32:19,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:32:19,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133056334] [2023-05-04 07:32:19,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133056334] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:32:19,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762242994] [2023-05-04 07:32:19,821 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 07:32:19,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:32:19,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:32:19,823 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:32:19,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 07:32:19,970 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 07:32:19,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 07:32:19,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 36 conjunts are in the unsatisfiable core [2023-05-04 07:32:19,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:32:20,033 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-05-04 07:32:20,033 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-05-04 07:32:20,072 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-05-04 07:32:20,073 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-05-04 07:32:20,119 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 07:32:20,157 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 07:32:20,158 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-05-04 07:32:20,254 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 07:32:20,402 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 07:32:20,481 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 07:32:20,549 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 07:32:20,622 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-05-04 07:32:20,645 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:32:20,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:32:20,795 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_100 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_100) |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.base|) (+ 2 |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.offset| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1|)))) is different from false [2023-05-04 07:32:20,807 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_100 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_100) |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.base|) (+ 3 |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.offset| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1|)))) is different from false [2023-05-04 07:32:21,544 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 230 [2023-05-04 07:32:21,552 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 226 treesize of output 218 [2023-05-04 07:32:21,560 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 202 [2023-05-04 07:32:21,568 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 198 [2023-05-04 07:32:29,853 WARN L233 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 07:32:30,008 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 18 not checked. [2023-05-04 07:32:30,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762242994] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:32:30,009 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:32:30,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 17] total 45 [2023-05-04 07:32:30,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526693163] [2023-05-04 07:32:30,009 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:32:30,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-05-04 07:32:30,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:32:30,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-05-04 07:32:30,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=1619, Unknown=17, NotChecked=166, Total=1980 [2023-05-04 07:32:30,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:32:30,012 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:32:30,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 4.4222222222222225) internal successors, (199), 45 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:32:30,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:32:30,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 07:32:30,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:32:30,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:32:30,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:32:30,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 07:32:30,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:32:30,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-04 07:32:30,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 07:32:31,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:32:31,007 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:32:31,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:32:31,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1891252276, now seen corresponding path program 3 times [2023-05-04 07:32:31,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:32:31,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907146505] [2023-05-04 07:32:31,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:32:31,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:32:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:32:31,796 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:32:31,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:32:31,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907146505] [2023-05-04 07:32:31,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907146505] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:32:31,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297735752] [2023-05-04 07:32:31,797 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 07:32:31,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:32:31,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:32:31,801 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:32:31,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 07:32:31,904 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-05-04 07:32:31,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 07:32:31,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 43 conjunts are in the unsatisfiable core [2023-05-04 07:32:31,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:32:32,104 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-05-04 07:32:32,104 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2023-05-04 07:32:32,178 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-05-04 07:32:32,179 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2023-05-04 07:32:32,287 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 07:32:32,381 INFO L356 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-05-04 07:32:32,382 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2023-05-04 07:32:32,583 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 07:32:32,800 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 07:32:32,873 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 07:32:32,962 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 07:32:33,047 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 07:32:33,128 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-05-04 07:32:33,151 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:32:33,151 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:32:33,330 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_148 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_148) |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.base|) (+ 3 |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.offset| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1|)))) is different from false [2023-05-04 07:32:34,173 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 112 [2023-05-04 07:32:34,181 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 100 [2023-05-04 07:32:34,191 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 96 [2023-05-04 07:32:34,198 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 46 [2023-05-04 07:32:34,595 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 15 not checked. [2023-05-04 07:32:34,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297735752] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:32:34,596 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:32:34,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 20, 18] total 50 [2023-05-04 07:32:34,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010069486] [2023-05-04 07:32:34,596 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:32:34,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-05-04 07:32:34,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:32:34,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-05-04 07:32:34,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=2132, Unknown=19, NotChecked=94, Total=2450 [2023-05-04 07:32:34,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:32:34,599 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:32:34,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 4.4) internal successors, (220), 50 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:32:34,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:32:34,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 07:32:34,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:32:34,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-04 07:32:34,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:32:35,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:32:35,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 07:32:35,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:32:35,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-04 07:32:35,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-04 07:32:35,785 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-04 07:32:35,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:32:35,973 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:32:35,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:32:35,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1016615640, now seen corresponding path program 4 times [2023-05-04 07:32:35,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:32:35,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195920040] [2023-05-04 07:32:35,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:32:35,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:32:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:32:36,700 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:32:36,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:32:36,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195920040] [2023-05-04 07:32:36,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195920040] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:32:36,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446236802] [2023-05-04 07:32:36,701 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 07:32:36,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:32:36,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:32:36,702 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:32:36,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 07:32:36,796 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 07:32:36,796 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 07:32:36,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 55 conjunts are in the unsatisfiable core [2023-05-04 07:32:36,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:32:36,905 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-05-04 07:32:36,905 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-05-04 07:32:36,929 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 07:32:36,930 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-05-04 07:32:36,958 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 07:32:37,065 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 07:32:37,240 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 07:32:37,247 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-05-04 07:32:37,247 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2023-05-04 07:32:37,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:32:37,350 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 07:32:37,353 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 07:32:37,353 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2023-05-04 07:32:37,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:32:37,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:32:37,433 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 07:32:37,435 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 07:32:37,435 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2023-05-04 07:32:37,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:32:37,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:32:37,520 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 07:32:37,523 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 07:32:37,523 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2023-05-04 07:32:37,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:32:37,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:32:37,598 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 07:32:37,600 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 07:32:37,600 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2023-05-04 07:32:37,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:32:37,693 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 07:32:37,693 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2023-05-04 07:32:37,768 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 07:32:37,768 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2023-05-04 07:32:37,834 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 18 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:32:37,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:36:25,618 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 18 proven. 15 refuted. 22 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:36:25,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446236802] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:36:25,619 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:36:25,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 23, 25] total 57 [2023-05-04 07:36:25,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663682457] [2023-05-04 07:36:25,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:36:25,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2023-05-04 07:36:25,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:36:25,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2023-05-04 07:36:25,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=2814, Unknown=97, NotChecked=0, Total=3192 [2023-05-04 07:36:25,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:36:25,624 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:36:25,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 4.350877192982456) internal successors, (248), 57 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:36:25,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:36:25,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 07:36:25,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 07:36:25,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-04 07:36:25,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-04 07:36:25,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:36:28,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:36:28,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 07:36:28,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 07:36:28,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-04 07:36:28,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-04 07:36:28,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-04 07:36:28,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 07:36:28,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:36:28,485 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:36:28,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:36:28,486 INFO L85 PathProgramCache]: Analyzing trace with hash -936857752, now seen corresponding path program 5 times [2023-05-04 07:36:28,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:36:28,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985687421] [2023-05-04 07:36:28,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:36:28,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:36:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:36:29,378 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:36:29,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:36:29,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985687421] [2023-05-04 07:36:29,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985687421] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:36:29,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972774379] [2023-05-04 07:36:29,379 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 07:36:29,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:36:29,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:36:29,380 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:36:29,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 07:36:29,481 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2023-05-04 07:36:29,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 07:36:29,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 61 conjunts are in the unsatisfiable core [2023-05-04 07:36:29,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:36:29,569 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-05-04 07:36:29,569 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-05-04 07:36:29,610 INFO L356 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-05-04 07:36:29,611 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2023-05-04 07:36:29,648 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 07:36:29,773 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 07:36:29,989 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 07:36:29,997 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-05-04 07:36:29,997 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2023-05-04 07:36:30,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:36:30,121 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 07:36:30,123 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 07:36:30,123 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2023-05-04 07:36:30,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:36:30,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:36:30,213 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 07:36:30,215 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 07:36:30,215 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2023-05-04 07:36:30,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:36:30,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:36:30,303 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 07:36:30,305 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 07:36:30,305 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2023-05-04 07:36:30,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:36:30,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:36:30,394 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 07:36:30,397 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 07:36:30,397 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2023-05-04 07:36:30,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:36:30,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:36:30,494 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 07:36:30,496 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 07:36:30,497 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2023-05-04 07:36:30,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 07:36:30,603 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 07:36:30,603 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2023-05-04 07:36:30,684 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 07:36:30,684 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2023-05-04 07:36:30,765 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 18 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:36:30,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:42:35,812 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2023-05-04 07:42:35,886 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 26 proven. 18 refuted. 34 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:42:35,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972774379] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:42:35,886 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:42:35,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 24, 27] total 63 [2023-05-04 07:42:35,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802441200] [2023-05-04 07:42:35,887 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:42:35,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2023-05-04 07:42:35,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:42:35,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2023-05-04 07:42:35,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=3435, Unknown=146, NotChecked=0, Total=3906 [2023-05-04 07:42:35,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:42:35,889 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:42:35,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 4.174603174603175) internal successors, (263), 63 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:42:35,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:42:35,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 07:42:35,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 07:42:35,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-04 07:42:35,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-04 07:42:35,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-04 07:42:35,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:42:48,112 WARN L233 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 114 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 07:42:58,644 WARN L233 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 116 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 07:43:12,830 WARN L233 SmtUtils]: Spent 10.14s on a formula simplification that was a NOOP. DAG size: 118 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 07:43:28,204 WARN L233 SmtUtils]: Spent 15.17s on a formula simplification. DAG size of input: 116 DAG size of output: 48 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 07:43:46,827 WARN L233 SmtUtils]: Spent 16.41s on a formula simplification. DAG size of input: 118 DAG size of output: 103 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 07:44:11,287 WARN L233 SmtUtils]: Spent 8.46s on a formula simplification. DAG size of input: 103 DAG size of output: 48 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 07:44:11,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:44:11,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 07:44:11,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-04 07:44:11,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-04 07:44:11,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-04 07:44:11,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 07:44:11,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 07:44:11,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 07:44:11,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:44:11,802 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:44:11,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:44:11,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1727031343, now seen corresponding path program 1 times [2023-05-04 07:44:11,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:44:11,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836443904] [2023-05-04 07:44:11,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:44:11,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:44:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:44:11,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:44:11,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:44:11,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836443904] [2023-05-04 07:44:11,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836443904] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:44:11,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 07:44:11,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 07:44:11,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369251472] [2023-05-04 07:44:11,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:44:11,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 07:44:11,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:44:11,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 07:44:11,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 07:44:11,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:44:11,856 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:44:11,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:44:11,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:44:11,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 07:44:11,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-04 07:44:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-04 07:44:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-04 07:44:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-04 07:44:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 07:44:11,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:44:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:44:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 07:44:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-04 07:44:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-04 07:44:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-04 07:44:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 07:44:11,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-04 07:44:11,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:44:11,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 07:44:11,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 07:44:11,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 07:44:11,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-04 07:44:11,924 INFO L444 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1] [2023-05-04 07:44:11,927 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 07:44:11,927 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 07:44:11,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 07:44:11 BasicIcfg [2023-05-04 07:44:11,931 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 07:44:11,932 INFO L158 Benchmark]: Toolchain (without parser) took 719914.69ms. Allocated memory was 223.3MB in the beginning and 406.8MB in the end (delta: 183.5MB). Free memory was 167.6MB in the beginning and 339.0MB in the end (delta: -171.4MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. [2023-05-04 07:44:11,932 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 223.3MB. Free memory is still 186.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 07:44:11,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 742.33ms. Allocated memory was 223.3MB in the beginning and 282.1MB in the end (delta: 58.7MB). Free memory was 167.4MB in the beginning and 233.0MB in the end (delta: -65.6MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. [2023-05-04 07:44:11,933 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.67ms. Allocated memory is still 282.1MB. Free memory was 233.0MB in the beginning and 230.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 07:44:11,933 INFO L158 Benchmark]: Boogie Preprocessor took 39.02ms. Allocated memory is still 282.1MB. Free memory was 230.8MB in the beginning and 228.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 07:44:11,933 INFO L158 Benchmark]: RCFGBuilder took 447.06ms. Allocated memory is still 282.1MB. Free memory was 228.8MB in the beginning and 214.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-05-04 07:44:11,933 INFO L158 Benchmark]: TraceAbstraction took 718616.56ms. Allocated memory was 282.1MB in the beginning and 406.8MB in the end (delta: 124.8MB). Free memory was 213.5MB in the beginning and 339.0MB in the end (delta: -125.4MB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 07:44:11,935 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 223.3MB. Free memory is still 186.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 742.33ms. Allocated memory was 223.3MB in the beginning and 282.1MB in the end (delta: 58.7MB). Free memory was 167.4MB in the beginning and 233.0MB in the end (delta: -65.6MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 63.67ms. Allocated memory is still 282.1MB. Free memory was 233.0MB in the beginning and 230.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.02ms. Allocated memory is still 282.1MB. Free memory was 230.8MB in the beginning and 228.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 447.06ms. Allocated memory is still 282.1MB. Free memory was 228.8MB in the beginning and 214.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 718616.56ms. Allocated memory was 282.1MB in the beginning and 406.8MB in the end (delta: 124.8MB). Free memory was 213.5MB in the beginning and 339.0MB in the end (delta: -125.4MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1254, independent: 1038, independent conditional: 510, independent unconditional: 528, dependent: 214, dependent conditional: 206, dependent unconditional: 8, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1063, independent: 1038, independent conditional: 510, independent unconditional: 528, dependent: 23, dependent conditional: 15, dependent unconditional: 8, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1063, independent: 1038, independent conditional: 510, independent unconditional: 528, dependent: 23, dependent conditional: 15, dependent unconditional: 8, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1156, independent: 1038, independent conditional: 0, independent unconditional: 1038, dependent: 116, dependent conditional: 91, dependent unconditional: 25, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1156, independent: 1038, independent conditional: 0, independent unconditional: 1038, dependent: 116, dependent conditional: 71, dependent unconditional: 45, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1156, independent: 1038, independent conditional: 0, independent unconditional: 1038, dependent: 116, dependent conditional: 71, dependent unconditional: 45, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 555, independent: 516, independent conditional: 0, independent unconditional: 516, dependent: 38, dependent conditional: 30, dependent unconditional: 8, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 555, independent: 515, independent conditional: 0, independent unconditional: 515, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 40, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 38, dependent conditional: 30, dependent unconditional: 8, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 38, dependent conditional: 30, dependent unconditional: 8, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 173, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 116, dependent conditional: 67, dependent unconditional: 48, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1156, independent: 522, independent conditional: 0, independent unconditional: 522, dependent: 78, dependent conditional: 41, dependent unconditional: 37, unknown: 556, unknown conditional: 32, unknown unconditional: 524] , Statistics on independence cache: Total cache size (in pairs): 554, Positive cache size: 516, Positive conditional cache size: 0, Positive unconditional cache size: 516, Negative cache size: 38, Negative conditional cache size: 30, Negative unconditional cache size: 8, Unknown cache size: 1, Unknown conditional cache size: 1, Unknown unconditional cache size: 0, Eliminated conditions: 20, Maximal queried relation: 7, Independence queries for same thread: 191 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 131, Number of trivial persistent sets: 123, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 536, independent: 528, independent conditional: 0, independent unconditional: 528, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1254, independent: 1038, independent conditional: 510, independent unconditional: 528, dependent: 214, dependent conditional: 206, dependent unconditional: 8, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1063, independent: 1038, independent conditional: 510, independent unconditional: 528, dependent: 23, dependent conditional: 15, dependent unconditional: 8, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1063, independent: 1038, independent conditional: 510, independent unconditional: 528, dependent: 23, dependent conditional: 15, dependent unconditional: 8, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1156, independent: 1038, independent conditional: 0, independent unconditional: 1038, dependent: 116, dependent conditional: 91, dependent unconditional: 25, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1156, independent: 1038, independent conditional: 0, independent unconditional: 1038, dependent: 116, dependent conditional: 71, dependent unconditional: 45, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1156, independent: 1038, independent conditional: 0, independent unconditional: 1038, dependent: 116, dependent conditional: 71, dependent unconditional: 45, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 555, independent: 516, independent conditional: 0, independent unconditional: 516, dependent: 38, dependent conditional: 30, dependent unconditional: 8, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 555, independent: 515, independent conditional: 0, independent unconditional: 515, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 40, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 38, dependent conditional: 30, dependent unconditional: 8, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 38, dependent conditional: 30, dependent unconditional: 8, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 173, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 116, dependent conditional: 67, dependent unconditional: 48, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1156, independent: 522, independent conditional: 0, independent unconditional: 522, dependent: 78, dependent conditional: 41, dependent unconditional: 37, unknown: 556, unknown conditional: 32, unknown unconditional: 524] , Statistics on independence cache: Total cache size (in pairs): 554, Positive cache size: 516, Positive conditional cache size: 0, Positive unconditional cache size: 516, Negative cache size: 38, Negative conditional cache size: 30, Negative unconditional cache size: 8, Unknown cache size: 1, Unknown conditional cache size: 1, Unknown unconditional cache size: 0, Eliminated conditions: 20, Maximal queried relation: 7, Independence queries for same thread: 191 - PositiveResult [Line: 1107]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 114 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 718.5s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 102.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 161, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 614.2s InterpolantComputationTime, 1061 NumberOfCodeBlocks, 1061 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 1474 ConstructedInterpolants, 241 QuantifiedInterpolants, 22597 SizeOfPredicates, 72 NumberOfNonLiveVariables, 1201 ConjunctsInSsa, 238 ConjunctsInUnsatCore, 18 InterpolantComputations, 3 PerfectInterpolantSequences, 80/579 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-05-04 07:44:11,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-04 07:44:12,291 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...