/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSmt.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/triangular-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-d6e1636 [2023-01-10 14:56:50,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-10 14:56:50,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-10 14:56:50,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-10 14:56:50,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-10 14:56:50,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-10 14:56:50,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-10 14:56:50,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-10 14:56:50,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-10 14:56:50,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-10 14:56:50,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-10 14:56:50,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-10 14:56:50,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-10 14:56:50,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-10 14:56:50,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-10 14:56:50,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-10 14:56:50,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-10 14:56:50,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-10 14:56:50,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-10 14:56:50,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-10 14:56:50,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-10 14:56:50,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-10 14:56:50,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-10 14:56:50,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-10 14:56:50,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-01-10 14:56:50,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-10 14:56:50,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-10 14:56:50,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-10 14:56:50,836 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSmt.epf [2023-01-10 14:56:50,856 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-10 14:56:50,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-10 14:56:50,856 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-01-10 14:56:50,857 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-01-10 14:56:50,857 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-10 14:56:50,857 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-10 14:56:50,857 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-10 14:56:50,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-10 14:56:50,858 INFO L138 SettingsManager]: * Use SBE=true [2023-01-10 14:56:50,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-10 14:56:50,858 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-10 14:56:50,858 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-10 14:56:50,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-10 14:56:50,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-10 14:56:50,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-10 14:56:50,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-10 14:56:50,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-10 14:56:50,858 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-10 14:56:50,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-10 14:56:50,858 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-10 14:56:50,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-10 14:56:50,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-10 14:56:50,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-10 14:56:50,859 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-10 14:56:50,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-10 14:56:50,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 14:56:50,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-10 14:56:50,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-10 14:56:50,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-10 14:56:50,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-10 14:56:50,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-10 14:56:50,859 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-01-10 14:56:50,860 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-01-10 14:56:50,860 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-01-10 14:56:50,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-01-10 14:56:50,860 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2023-01-10 14:56:50,860 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-01-10 14:56:50,860 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2023-01-10 14:56:51,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-10 14:56:51,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-10 14:56:51,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-10 14:56:51,075 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-10 14:56:51,075 INFO L275 PluginConnector]: CDTParser initialized [2023-01-10 14:56:51,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/triangular-2.i [2023-01-10 14:56:52,082 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-10 14:56:52,273 INFO L351 CDTParser]: Found 1 translation units. [2023-01-10 14:56:52,273 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-2.i [2023-01-10 14:56:52,281 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47f9af2e0/6faec8e937b0406b9f07967fb863e119/FLAGfb2565e27 [2023-01-10 14:56:52,295 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47f9af2e0/6faec8e937b0406b9f07967fb863e119 [2023-01-10 14:56:52,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-10 14:56:52,300 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-10 14:56:52,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-10 14:56:52,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-10 14:56:52,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-10 14:56:52,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:56:52" (1/1) ... [2023-01-10 14:56:52,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ac775cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:52, skipping insertion in model container [2023-01-10 14:56:52,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:56:52" (1/1) ... [2023-01-10 14:56:52,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-10 14:56:52,342 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-10 14:56:52,577 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-2.i[30952,30965] [2023-01-10 14:56:52,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 14:56:52,587 INFO L203 MainTranslator]: Completed pre-run [2023-01-10 14:56:52,612 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-2.i[30952,30965] [2023-01-10 14:56:52,613 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 14:56:52,639 WARN L663 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-01-10 14:56:52,639 WARN L663 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-01-10 14:56:52,644 INFO L208 MainTranslator]: Completed translation [2023-01-10 14:56:52,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:52 WrapperNode [2023-01-10 14:56:52,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-10 14:56:52,645 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-10 14:56:52,645 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-10 14:56:52,645 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-10 14:56:52,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:52" (1/1) ... [2023-01-10 14:56:52,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:52" (1/1) ... [2023-01-10 14:56:52,684 INFO L138 Inliner]: procedures = 169, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2023-01-10 14:56:52,685 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-10 14:56:52,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-10 14:56:52,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-10 14:56:52,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-10 14:56:52,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:52" (1/1) ... [2023-01-10 14:56:52,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:52" (1/1) ... [2023-01-10 14:56:52,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:52" (1/1) ... [2023-01-10 14:56:52,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:52" (1/1) ... [2023-01-10 14:56:52,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:52" (1/1) ... [2023-01-10 14:56:52,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:52" (1/1) ... [2023-01-10 14:56:52,712 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:52" (1/1) ... [2023-01-10 14:56:52,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:52" (1/1) ... [2023-01-10 14:56:52,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-10 14:56:52,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-10 14:56:52,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-10 14:56:52,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-10 14:56:52,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:52" (1/1) ... [2023-01-10 14:56:52,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 14:56:52,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 14:56:52,754 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) [2023-01-10 14:56:52,772 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 [2023-01-10 14:56:52,783 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-01-10 14:56:52,783 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-01-10 14:56:52,783 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-01-10 14:56:52,783 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-01-10 14:56:52,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-10 14:56:52,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-01-10 14:56:52,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-10 14:56:52,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-10 14:56:52,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-10 14:56:52,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-10 14:56:52,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-01-10 14:56:52,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-10 14:56:52,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-10 14:56:52,786 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-10 14:56:52,880 INFO L236 CfgBuilder]: Building ICFG [2023-01-10 14:56:52,881 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-10 14:56:53,022 INFO L277 CfgBuilder]: Performing block encoding [2023-01-10 14:56:53,026 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-10 14:56:53,026 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-01-10 14:56:53,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:56:53 BoogieIcfgContainer [2023-01-10 14:56:53,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-10 14:56:53,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-10 14:56:53,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-10 14:56:53,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-10 14:56:53,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:56:52" (1/3) ... [2023-01-10 14:56:53,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403778a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:56:53, skipping insertion in model container [2023-01-10 14:56:53,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:52" (2/3) ... [2023-01-10 14:56:53,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403778a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:56:53, skipping insertion in model container [2023-01-10 14:56:53,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:56:53" (3/3) ... [2023-01-10 14:56:53,038 INFO L112 eAbstractionObserver]: Analyzing ICFG triangular-2.i [2023-01-10 14:56:53,043 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-01-10 14:56:53,050 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-10 14:56:53,051 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-10 14:56:53,051 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-10 14:56:53,100 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-10 14:56:53,136 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 14:56:53,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 14:56:53,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 14:56:53,139 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) [2023-01-10 14:56:53,140 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 [2023-01-10 14:56:53,170 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 14:56:53,175 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-01-10 14:56:53,179 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;@6212a96, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 14:56:53,179 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 14:56:53,318 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:56:53,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:56:53,326 INFO L85 PathProgramCache]: Analyzing trace with hash -869864902, now seen corresponding path program 1 times [2023-01-10 14:56:53,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:56:53,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338444544] [2023-01-10 14:56:53,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:56:53,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:56:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:56:53,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 14:56:53,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 14:56:53,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338444544] [2023-01-10 14:56:53,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338444544] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 14:56:53,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 14:56:53,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-01-10 14:56:53,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362326684] [2023-01-10 14:56:53,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 14:56:53,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-01-10 14:56:53,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 14:56:53,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-01-10 14:56:53,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-01-10 14:56:53,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:56:53,863 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 14:56:53,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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) [2023-01-10 14:56:53,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:56:54,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-01-10 14:56:54,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-10 14:56:54,014 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:56:54,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:56:54,015 INFO L85 PathProgramCache]: Analyzing trace with hash -793118376, now seen corresponding path program 1 times [2023-01-10 14:56:54,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:56:54,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117007922] [2023-01-10 14:56:54,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:56:54,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:56:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:56:54,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 14:56:54,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 14:56:54,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117007922] [2023-01-10 14:56:54,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117007922] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 14:56:54,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516275806] [2023-01-10 14:56:54,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:56:54,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:56:54,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 14:56:54,340 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) [2023-01-10 14:56:54,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-01-10 14:56:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:56:54,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 9 conjunts are in the unsatisfiable core [2023-01-10 14:56:54,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 14:56:54,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 14:56:54,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 14:56:54,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 14:56:54,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1516275806] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 14:56:54,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 14:56:54,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2023-01-10 14:56:54,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874228248] [2023-01-10 14:56:54,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 14:56:54,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-01-10 14:56:54,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 14:56:54,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-01-10 14:56:54,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2023-01-10 14:56:54,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:56:54,769 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 14:56:54,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 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) [2023-01-10 14:56:54,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-01-10 14:56:54,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:56:55,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-01-10 14:56:55,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-10 14:56:55,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-01-10 14:56:55,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-01-10 14:56:55,222 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:56:55,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:56:55,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1365384746, now seen corresponding path program 1 times [2023-01-10 14:56:55,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:56:55,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131047837] [2023-01-10 14:56:55,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:56:55,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:56:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:56:55,491 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 14:56:55,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 14:56:55,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131047837] [2023-01-10 14:56:55,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131047837] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 14:56:55,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521042305] [2023-01-10 14:56:55,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:56:55,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:56:55,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 14:56:55,513 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) [2023-01-10 14:56:55,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-01-10 14:56:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:56:55,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 13 conjunts are in the unsatisfiable core [2023-01-10 14:56:55,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 14:56:55,751 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 14:56:55,751 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 14:56:55,980 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 14:56:55,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521042305] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 14:56:55,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 14:56:55,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 22 [2023-01-10 14:56:55,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747196925] [2023-01-10 14:56:55,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 14:56:55,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-01-10 14:56:55,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 14:56:55,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-01-10 14:56:55,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2023-01-10 14:56:55,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:56:55,983 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 14:56:55,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.409090909090909) internal successors, (141), 22 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 14:56:55,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-01-10 14:56:55,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-01-10 14:56:55,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:56:56,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-01-10 14:56:56,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-10 14:56:56,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-01-10 14:56:56,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-01-10 14:56:56,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:56:56,539 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:56:56,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:56:56,540 INFO L85 PathProgramCache]: Analyzing trace with hash -972446212, now seen corresponding path program 2 times [2023-01-10 14:56:56,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:56:56,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177537155] [2023-01-10 14:56:56,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:56:56,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:56:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:56:56,715 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 76 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 14:56:56,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 14:56:56,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177537155] [2023-01-10 14:56:56,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177537155] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 14:56:56,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002601147] [2023-01-10 14:56:56,716 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-10 14:56:56,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:56:56,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 14:56:56,730 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) [2023-01-10 14:56:56,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-01-10 14:56:56,797 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-10 14:56:56,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 14:56:56,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 12 conjunts are in the unsatisfiable core [2023-01-10 14:56:56,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 14:56:56,870 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 14:56:56,870 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-01-10 14:56:56,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002601147] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 14:56:56,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-01-10 14:56:56,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 15 [2023-01-10 14:56:56,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185532420] [2023-01-10 14:56:56,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 14:56:56,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-01-10 14:56:56,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 14:56:56,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-01-10 14:56:56,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2023-01-10 14:56:56,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:56:56,872 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 14:56:56,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 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) [2023-01-10 14:56:56,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-01-10 14:56:56,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-01-10 14:56:56,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-01-10 14:56:56,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:56:57,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-01-10 14:56:57,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-10 14:56:57,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-01-10 14:56:57,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-01-10 14:56:57,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-01-10 14:56:57,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:56:57,412 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:56:57,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:56:57,412 INFO L85 PathProgramCache]: Analyzing trace with hash -553924321, now seen corresponding path program 1 times [2023-01-10 14:56:57,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:56:57,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708598267] [2023-01-10 14:56:57,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:56:57,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:56:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-10 14:56:57,426 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-10 14:56:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-10 14:56:57,452 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-10 14:56:57,453 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-10 14:56:57,453 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-01-10 14:56:57,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-01-10 14:56:57,462 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2023-01-10 14:56:57,463 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was UNSAFE (1/3) [2023-01-10 14:56:57,465 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-10 14:56:57,465 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-10 14:56:57,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 02:56:57 BasicIcfg [2023-01-10 14:56:57,524 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-10 14:56:57,525 INFO L158 Benchmark]: Toolchain (without parser) took 5225.04ms. Allocated memory was 397.4MB in the beginning and 477.1MB in the end (delta: 79.7MB). Free memory was 355.3MB in the beginning and 325.9MB in the end (delta: 29.4MB). Peak memory consumption was 110.1MB. Max. memory is 8.0GB. [2023-01-10 14:56:57,525 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 253.8MB. Free memory is still 202.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-01-10 14:56:57,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.75ms. Allocated memory is still 397.4MB. Free memory was 355.0MB in the beginning and 335.8MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-01-10 14:56:57,525 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.62ms. Allocated memory is still 397.4MB. Free memory was 335.8MB in the beginning and 333.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-01-10 14:56:57,525 INFO L158 Benchmark]: Boogie Preprocessor took 34.25ms. Allocated memory is still 397.4MB. Free memory was 333.7MB in the beginning and 332.3MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-01-10 14:56:57,526 INFO L158 Benchmark]: RCFGBuilder took 307.87ms. Allocated memory is still 397.4MB. Free memory was 332.3MB in the beginning and 319.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-01-10 14:56:57,526 INFO L158 Benchmark]: TraceAbstraction took 4494.77ms. Allocated memory was 397.4MB in the beginning and 477.1MB in the end (delta: 79.7MB). Free memory was 319.0MB in the beginning and 325.9MB in the end (delta: -6.9MB). Peak memory consumption was 73.4MB. Max. memory is 8.0GB. [2023-01-10 14:56:57,527 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 253.8MB. Free memory is still 202.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 343.75ms. Allocated memory is still 397.4MB. Free memory was 355.0MB in the beginning and 335.8MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.62ms. Allocated memory is still 397.4MB. Free memory was 335.8MB in the beginning and 333.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.25ms. Allocated memory is still 397.4MB. Free memory was 333.7MB in the beginning and 332.3MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 307.87ms. Allocated memory is still 397.4MB. Free memory was 332.3MB in the beginning and 319.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 4494.77ms. Allocated memory was 397.4MB in the beginning and 477.1MB in the end (delta: 79.7MB). Free memory was 319.0MB in the beginning and 325.9MB in the end (delta: -6.9MB). Peak memory consumption was 73.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 26, independent: 26, independent conditional: 26, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21529, independent: 18421, independent conditional: 18421, independent unconditional: 0, dependent: 3108, dependent conditional: 3108, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18667, independent: 18421, independent conditional: 18421, independent unconditional: 0, dependent: 246, dependent conditional: 246, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18667, independent: 18421, independent conditional: 18421, independent unconditional: 0, dependent: 246, dependent conditional: 246, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19352, independent: 18421, independent conditional: 0, independent unconditional: 18421, dependent: 931, dependent conditional: 685, dependent unconditional: 246, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19352, independent: 18421, independent conditional: 0, independent unconditional: 18421, dependent: 931, dependent conditional: 0, dependent unconditional: 931, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19352, independent: 18421, independent conditional: 0, independent unconditional: 18421, dependent: 931, dependent conditional: 0, dependent unconditional: 931, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 304, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 304, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19352, independent: 18119, independent conditional: 0, independent unconditional: 18119, dependent: 929, dependent conditional: 0, dependent unconditional: 929, unknown: 304, unknown conditional: 0, unknown unconditional: 304] , Statistics on independence cache: Total cache size (in pairs): 21, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1046, independent: 932, independent conditional: 932, independent unconditional: 0, dependent: 114, dependent conditional: 114, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21529, independent: 18421, independent conditional: 18421, independent unconditional: 0, dependent: 3108, dependent conditional: 3108, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18667, independent: 18421, independent conditional: 18421, independent unconditional: 0, dependent: 246, dependent conditional: 246, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18667, independent: 18421, independent conditional: 18421, independent unconditional: 0, dependent: 246, dependent conditional: 246, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19352, independent: 18421, independent conditional: 0, independent unconditional: 18421, dependent: 931, dependent conditional: 685, dependent unconditional: 246, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19352, independent: 18421, independent conditional: 0, independent unconditional: 18421, dependent: 931, dependent conditional: 0, dependent unconditional: 931, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19352, independent: 18421, independent conditional: 0, independent unconditional: 18421, dependent: 931, dependent conditional: 0, dependent unconditional: 931, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 304, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 304, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19352, independent: 18119, independent conditional: 0, independent unconditional: 18119, dependent: 929, dependent conditional: 0, dependent unconditional: 929, unknown: 304, unknown conditional: 0, unknown unconditional: 304] , Statistics on independence cache: Total cache size (in pairs): 204, Positive cache size: 202, Positive conditional cache size: 0, Positive unconditional cache size: 202, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6, Maximal queried relation: 1, Independence queries for same thread: 108, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2552, independent: 2175, independent conditional: 2175, independent unconditional: 0, dependent: 377, dependent conditional: 377, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21529, independent: 18421, independent conditional: 18421, independent unconditional: 0, dependent: 3108, dependent conditional: 3108, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18667, independent: 18421, independent conditional: 18421, independent unconditional: 0, dependent: 246, dependent conditional: 246, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18667, independent: 18421, independent conditional: 18421, independent unconditional: 0, dependent: 246, dependent conditional: 246, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19352, independent: 18421, independent conditional: 0, independent unconditional: 18421, dependent: 931, dependent conditional: 685, dependent unconditional: 246, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19352, independent: 18421, independent conditional: 0, independent unconditional: 18421, dependent: 931, dependent conditional: 0, dependent unconditional: 931, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19352, independent: 18421, independent conditional: 0, independent unconditional: 18421, dependent: 931, dependent conditional: 0, dependent unconditional: 931, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 304, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 304, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19352, independent: 18119, independent conditional: 0, independent unconditional: 18119, dependent: 929, dependent conditional: 0, dependent unconditional: 929, unknown: 304, unknown conditional: 0, unknown unconditional: 304] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 204, Positive conditional cache size: 0, Positive unconditional cache size: 204, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 37, Maximal queried relation: 2, Independence queries for same thread: 465, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 4887, independent: 4169, independent conditional: 4169, independent unconditional: 0, dependent: 718, dependent conditional: 718, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21529, independent: 18421, independent conditional: 18421, independent unconditional: 0, dependent: 3108, dependent conditional: 3108, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18667, independent: 18421, independent conditional: 18421, independent unconditional: 0, dependent: 246, dependent conditional: 246, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18667, independent: 18421, independent conditional: 18421, independent unconditional: 0, dependent: 246, dependent conditional: 246, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19352, independent: 18421, independent conditional: 0, independent unconditional: 18421, dependent: 931, dependent conditional: 685, dependent unconditional: 246, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19352, independent: 18421, independent conditional: 0, independent unconditional: 18421, dependent: 931, dependent conditional: 0, dependent unconditional: 931, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19352, independent: 18421, independent conditional: 0, independent unconditional: 18421, dependent: 931, dependent conditional: 0, dependent unconditional: 931, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 304, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 304, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19352, independent: 18119, independent conditional: 0, independent unconditional: 18119, dependent: 929, dependent conditional: 0, dependent unconditional: 929, unknown: 304, unknown conditional: 0, unknown unconditional: 304] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 204, Positive conditional cache size: 0, Positive unconditional cache size: 204, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 117, Maximal queried relation: 3, Independence queries for same thread: 1146, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 13018, independent: 11119, independent conditional: 11119, independent unconditional: 0, dependent: 1899, dependent conditional: 1899, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21529, independent: 18421, independent conditional: 18421, independent unconditional: 0, dependent: 3108, dependent conditional: 3108, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18667, independent: 18421, independent conditional: 18421, independent unconditional: 0, dependent: 246, dependent conditional: 246, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18667, independent: 18421, independent conditional: 18421, independent unconditional: 0, dependent: 246, dependent conditional: 246, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19352, independent: 18421, independent conditional: 0, independent unconditional: 18421, dependent: 931, dependent conditional: 685, dependent unconditional: 246, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19352, independent: 18421, independent conditional: 0, independent unconditional: 18421, dependent: 931, dependent conditional: 0, dependent unconditional: 931, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19352, independent: 18421, independent conditional: 0, independent unconditional: 18421, dependent: 931, dependent conditional: 0, dependent unconditional: 931, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 304, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 304, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19352, independent: 18119, independent conditional: 0, independent unconditional: 18119, dependent: 929, dependent conditional: 0, dependent unconditional: 929, unknown: 304, unknown conditional: 0, unknown unconditional: 304] , Statistics on independence cache: Total cache size (in pairs): 304, Positive cache size: 302, Positive conditional cache size: 0, Positive unconditional cache size: 302, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 685, Maximal queried relation: 4, Independence queries for same thread: 2862, Statistics for Abstraction: - StatisticsResult: Traversal Statistics Data States: 33, Transitions: 32, Traversal time: 125015727.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Traversal Statistics Data States: 276, Transitions: 335, Traversal time: 122872467.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 30 - StatisticsResult: Traversal Statistics Data States: 888, Transitions: 1086, Traversal time: 233721218.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 103 - StatisticsResult: Traversal Statistics Data States: 1692, Transitions: 2064, Traversal time: 328321060.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 200 - StatisticsResult: Traversal Statistics Data States: 4229, Transitions: 5241, Traversal time: 253555279.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 517 - CounterExampleResult [Line: 722]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L694] 0 int i = 3, j = 6; VAL [i=3, j=6] [L712] 0 pthread_t id1, id2; VAL [\old(argc)=49, argc=49, argv={51:50}, argv={51:50}, i=3, id1={5:0}, id2={3:0}, j=6] [L713] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [\old(argc)=49, arg={0:0}, argc=49, argv={51:50}, argv={51:50}, i=3, id1={5:0}, id2={3:0}, j=6, pthread_create(&id1, ((void *)0), t1, ((void *)0))=6] [L714] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [\old(argc)=49, arg={0:0}, arg={0:0}, argc=49, argv={51:50}, argv={51:50}, i=3, id1={5:0}, id2={3:0}, j=6, pthread_create(&id2, ((void *)0), t2, ((void *)0))=7] [L716] 0 int condI = i >= (2*5 +6); VAL [\old(argc)=49, arg={0:0}, arg={0:0}, argc=49, argv={51:50}, argv={51:50}, condI=0, i=3, id1={5:0}, id2={3:0}, j=6] [L696] 1 int k = 0; VAL [arg={0:0}, arg={0:0}, arg={0:0}, i=3, j=6, k=0] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, i=3, j=6, k=0] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=0] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=1] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=1] [L704] 2 int k = 0; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=0, k=1] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=0, k=1] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=0, k=1] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=0, k=1] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=0, k=2] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=0, k=2] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=1, k=2] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=1, k=2] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=1, k=2] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=1, k=2] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=1, k=3] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=1, k=3] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=2, k=3] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=2, k=3] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=2, k=3] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=2, k=3] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=2, k=4] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=2, k=4] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=3, k=4] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=3, k=4] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=3, k=4] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=3, k=4] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=3, k=5] [L696] COND FALSE 1 !(k < 5) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=3, k=5] [L704] 2 k++ VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=4, k=5] [L704] COND TRUE 2 k < 5 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=4, k=5] [L706] 2 j = i + 1 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=4, k=5] [L719] 0 int condJ = j >= (2*5 +6); VAL [\old(argc)=49, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, argc=49, argv={51:50}, argv={51:50}, condI=0, condJ=1, i=15, id1={5:0}, id2={3:0}, j=16, k=4, k=5] [L721] COND TRUE 0 condI || condJ VAL [\old(argc)=49, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, argc=49, argv={51:50}, argv={51:50}, condI=0, condJ=1, i=15, id1={5:0}, id2={3:0}, j=16, k=4, k=5] [L722] 0 reach_error() VAL [\old(argc)=49, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, argc=49, argv={51:50}, argv={51:50}, condI=0, condJ=1, i=15, id1={5:0}, id2={3:0}, j=16, k=4, k=5] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4308104745.0ns, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1221524781.0ns, FeasibilityCheckTime: 2382574686.0ns, RefinementTime: 51341906.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 14444294.0ns, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1762 SdHoareTripleChecker+Valid, 161296901.0ns IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1762 mSDsluCounter, 1782 SdHoareTripleChecker+Invalid, 132620534.0ns Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1463 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 278 IncrementalHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 319 mSDtfsCounter, 278 mSolverCounterSat, 20177129.0ns SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 45332767.0ns SsaConstructionTime, 133002208.0ns SatisfiabilityAnalysisTime, 1842568849.0ns InterpolantComputationTime, 502 NumberOfCodeBlocks, 502 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 515 ConstructedInterpolants, 0 QuantifiedInterpolants, 2425 SizeOfPredicates, 22 NumberOfNonLiveVariables, 489 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 169/270 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-01-10 14:56:57,557 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 [2023-01-10 14:56:57,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...