/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy BADGER --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -s ../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf --traceabstraction.coinflip.probability.value 90 --traceabstraction.coinflip.random.seed 13 --traceabstraction.coinflip.budget.determination.mode PURE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/min-max-split-sample.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-10 15:02:21,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-10 15:02:21,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-10 15:02:21,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-10 15:02:21,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-10 15:02:21,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-10 15:02:21,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-10 15:02:21,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-10 15:02:21,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-10 15:02:21,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-10 15:02:21,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-10 15:02:21,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-10 15:02:21,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-10 15:02:21,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-10 15:02:21,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-10 15:02:21,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-10 15:02:21,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-10 15:02:21,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-10 15:02:21,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-10 15:02:21,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-10 15:02:21,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-10 15:02:21,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-10 15:02:21,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-10 15:02:21,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-10 15:02:21,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-10 15:02:21,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-10 15:02:21,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-10 15:02:21,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-10 15:02:21,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-10 15:02:21,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-10 15:02:21,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-10 15:02:21,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-10 15:02:21,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-10 15:02:21,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-10 15:02:21,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-10 15:02:21,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-10 15:02:21,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-10 15:02:21,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-10 15:02:21,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-10 15:02:21,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-10 15:02:21,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-10 15:02:21,990 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf [2022-10-10 15:02:22,028 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-10 15:02:22,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-10 15:02:22,029 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-10 15:02:22,029 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-10 15:02:22,030 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-10 15:02:22,030 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-10 15:02:22,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-10 15:02:22,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-10 15:02:22,032 INFO L138 SettingsManager]: * Use SBE=true [2022-10-10 15:02:22,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-10 15:02:22,033 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-10 15:02:22,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-10 15:02:22,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-10 15:02:22,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-10 15:02:22,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-10 15:02:22,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-10 15:02:22,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-10 15:02:22,034 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-10 15:02:22,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-10 15:02:22,034 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-10 15:02:22,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-10 15:02:22,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-10 15:02:22,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-10 15:02:22,035 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-10 15:02:22,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-10 15:02:22,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-10 15:02:22,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-10 15:02:22,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-10 15:02:22,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-10 15:02:22,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-10 15:02:22,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-10 15:02:22,036 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-10 15:02:22,036 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-10 15:02:22,036 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-10 15:02:22,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-10 15:02:22,036 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-10 15:02:22,037 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-10 15:02:22,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-10 15:02:22,037 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 [2022-10-10 15:02:22,037 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip probability value -> 90 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip random seed -> 13 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip budget determination mode -> PURE [2022-10-10 15:02:22,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-10 15:02:22,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-10 15:02:22,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-10 15:02:22,369 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-10 15:02:22,371 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-10 15:02:22,372 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/min-max-split-sample.bpl [2022-10-10 15:02:22,372 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/min-max-split-sample.bpl' [2022-10-10 15:02:22,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-10 15:02:22,397 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-10 15:02:22,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-10 15:02:22,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-10 15:02:22,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-10 15:02:22,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:02:22" (1/1) ... [2022-10-10 15:02:22,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:02:22" (1/1) ... [2022-10-10 15:02:22,429 INFO L138 Inliner]: procedures = 6, calls = 5, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-10 15:02:22,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-10 15:02:22,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-10 15:02:22,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-10 15:02:22,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-10 15:02:22,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:02:22" (1/1) ... [2022-10-10 15:02:22,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:02:22" (1/1) ... [2022-10-10 15:02:22,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:02:22" (1/1) ... [2022-10-10 15:02:22,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:02:22" (1/1) ... [2022-10-10 15:02:22,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:02:22" (1/1) ... [2022-10-10 15:02:22,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:02:22" (1/1) ... [2022-10-10 15:02:22,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:02:22" (1/1) ... [2022-10-10 15:02:22,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-10 15:02:22,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-10 15:02:22,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-10 15:02:22,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-10 15:02:22,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:02:22" (1/1) ... [2022-10-10 15:02:22,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-10 15:02:22,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-10 15:02:22,490 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) [2022-10-10 15:02:22,507 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 [2022-10-10 15:02:22,523 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMin2 given in one single declaration [2022-10-10 15:02:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure computeMin2 [2022-10-10 15:02:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMin2 [2022-10-10 15:02:22,523 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-10-10 15:02:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-10 15:02:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-10 15:02:22,524 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMin1 given in one single declaration [2022-10-10 15:02:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure computeMin1 [2022-10-10 15:02:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMin1 [2022-10-10 15:02:22,525 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMax2 given in one single declaration [2022-10-10 15:02:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure computeMax2 [2022-10-10 15:02:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMax2 [2022-10-10 15:02:22,526 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMax1 given in one single declaration [2022-10-10 15:02:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure computeMax1 [2022-10-10 15:02:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMax1 [2022-10-10 15:02:22,526 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sample given in one single declaration [2022-10-10 15:02:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure sample [2022-10-10 15:02:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure sample [2022-10-10 15:02:22,527 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-10 15:02:22,578 INFO L234 CfgBuilder]: Building ICFG [2022-10-10 15:02:22,580 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-10 15:02:22,701 INFO L275 CfgBuilder]: Performing block encoding [2022-10-10 15:02:22,718 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-10 15:02:22,718 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-10 15:02:22,720 INFO L202 PluginConnector]: Adding new model min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:02:22 BoogieIcfgContainer [2022-10-10 15:02:22,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-10 15:02:22,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-10 15:02:22,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-10 15:02:22,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-10 15:02:22,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:02:22" (1/2) ... [2022-10-10 15:02:22,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412162c8 and model type min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 03:02:22, skipping insertion in model container [2022-10-10 15:02:22,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:02:22" (2/2) ... [2022-10-10 15:02:22,728 INFO L112 eAbstractionObserver]: Analyzing ICFG min-max-split-sample.bpl [2022-10-10 15:02:22,734 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-10 15:02:22,742 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-10 15:02:22,743 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-10 15:02:22,743 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-10 15:02:22,816 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-10-10 15:02:22,862 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-10 15:02:22,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-10 15:02:22,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-10 15:02:22,864 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) [2022-10-10 15:02:22,865 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 [2022-10-10 15:02:22,889 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-10 15:02:22,907 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-10 15:02:22,907 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-10 15:02:22,907 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-10 15:02:22,914 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-10 15:02:22,922 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;@5ec96128, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-10 15:02:22,923 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-10 15:02:23,290 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 15:02:23,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 15:02:23,297 INFO L85 PathProgramCache]: Analyzing trace with hash 734141428, now seen corresponding path program 1 times [2022-10-10 15:02:23,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 15:02:23,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650825001] [2022-10-10 15:02:23,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 15:02:23,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 15:02:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 15:02:23,763 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 64 proven. 88 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-10 15:02:23,763 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 15:02:23,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650825001] [2022-10-10 15:02:23,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650825001] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 15:02:23,766 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 15:02:23,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2022-10-10 15:02:23,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809946599] [2022-10-10 15:02:23,768 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 15:02:23,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-10 15:02:23,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 15:02:23,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-10 15:02:23,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-10-10 15:02:23,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 15:02:23,811 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 15:02:23,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 10 states have internal predecessors, (64), 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) [2022-10-10 15:02:23,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 15:02:24,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-10 15:02:24,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-10 15:02:24,102 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 15:02:24,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 15:02:24,103 INFO L85 PathProgramCache]: Analyzing trace with hash -478764674, now seen corresponding path program 2 times [2022-10-10 15:02:24,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 15:02:24,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995711359] [2022-10-10 15:02:24,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 15:02:24,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 15:02:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 15:02:24,232 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 42 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-10 15:02:24,232 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 15:02:24,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995711359] [2022-10-10 15:02:24,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995711359] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 15:02:24,233 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 15:02:24,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2022-10-10 15:02:24,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625194466] [2022-10-10 15:02:24,233 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 15:02:24,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-10 15:02:24,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 15:02:24,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-10 15:02:24,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-10 15:02:24,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 15:02:24,236 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 15:02:24,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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) [2022-10-10 15:02:24,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-10 15:02:24,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 15:02:24,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-10 15:02:24,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-10 15:02:24,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-10 15:02:24,481 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 15:02:24,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 15:02:24,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1920602640, now seen corresponding path program 3 times [2022-10-10 15:02:24,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 15:02:24,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818748037] [2022-10-10 15:02:24,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 15:02:24,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 15:02:24,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 15:02:24,685 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 125 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-10 15:02:24,685 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 15:02:24,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818748037] [2022-10-10 15:02:24,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818748037] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 15:02:24,686 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 15:02:24,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2022-10-10 15:02:24,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706668152] [2022-10-10 15:02:24,687 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 15:02:24,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-10 15:02:24,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 15:02:24,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-10 15:02:24,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-10 15:02:24,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 15:02:24,689 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 15:02:24,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 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) [2022-10-10 15:02:24,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-10 15:02:24,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-10-10 15:02:24,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 15:02:25,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-10 15:02:25,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-10 15:02:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-10 15:02:25,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-10 15:02:25,028 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 15:02:25,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 15:02:25,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1869075376, now seen corresponding path program 4 times [2022-10-10 15:02:25,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 15:02:25,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604989565] [2022-10-10 15:02:25,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 15:02:25,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 15:02:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 15:02:25,347 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 281 proven. 494 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-10-10 15:02:25,348 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 15:02:25,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604989565] [2022-10-10 15:02:25,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604989565] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 15:02:25,348 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 15:02:25,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2022-10-10 15:02:25,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904820637] [2022-10-10 15:02:25,349 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 15:02:25,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-10 15:02:25,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 15:02:25,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-10 15:02:25,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-10-10 15:02:25,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 15:02:25,351 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 15:02:25,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.0) internal successors, (75), 15 states have internal predecessors, (75), 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) [2022-10-10 15:02:25,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-10 15:02:25,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-10 15:02:25,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-10 15:02:25,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 15:02:25,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-10 15:02:25,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-10 15:02:25,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-10 15:02:25,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-10 15:02:25,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-10 15:02:25,725 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 15:02:25,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 15:02:25,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1975205406, now seen corresponding path program 5 times [2022-10-10 15:02:25,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 15:02:25,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951583902] [2022-10-10 15:02:25,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 15:02:25,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 15:02:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 15:02:25,957 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 116 proven. 632 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-10-10 15:02:25,957 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 15:02:25,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951583902] [2022-10-10 15:02:25,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951583902] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 15:02:25,958 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 15:02:25,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2022-10-10 15:02:25,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269106576] [2022-10-10 15:02:25,958 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 15:02:25,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-10 15:02:25,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 15:02:25,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-10 15:02:25,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2022-10-10 15:02:25,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 15:02:25,960 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 15:02:25,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.647058823529412) internal successors, (96), 17 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-10 15:02:25,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-10 15:02:25,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-10 15:02:25,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-10 15:02:25,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-10 15:02:25,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 15:02:26,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-10 15:02:26,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-10 15:02:26,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-10 15:02:26,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-10 15:02:26,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-10 15:02:26,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-10 15:02:26,391 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 15:02:26,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 15:02:26,391 INFO L85 PathProgramCache]: Analyzing trace with hash 2050469026, now seen corresponding path program 6 times [2022-10-10 15:02:26,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 15:02:26,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849291048] [2022-10-10 15:02:26,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 15:02:26,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 15:02:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 15:02:26,624 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 322 proven. 347 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-10-10 15:02:26,625 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 15:02:26,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849291048] [2022-10-10 15:02:26,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849291048] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 15:02:26,625 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 15:02:26,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2022-10-10 15:02:26,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676350561] [2022-10-10 15:02:26,625 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 15:02:26,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-10 15:02:26,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 15:02:26,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-10 15:02:26,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2022-10-10 15:02:26,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 15:02:26,627 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 15:02:26,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.315789473684211) internal successors, (101), 19 states have internal predecessors, (101), 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) [2022-10-10 15:02:26,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-10 15:02:26,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-10 15:02:26,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-10 15:02:26,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-10 15:02:26,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-10-10 15:02:26,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 15:02:26,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-10 15:02:26,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-10 15:02:26,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-10 15:02:26,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-10 15:02:26,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-10 15:02:26,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-10 15:02:26,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-10 15:02:26,786 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 15:02:26,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 15:02:26,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1773175692, now seen corresponding path program 7 times [2022-10-10 15:02:26,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 15:02:26,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192253090] [2022-10-10 15:02:26,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 15:02:26,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 15:02:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 15:02:26,870 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 234 proven. 37 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-10-10 15:02:26,871 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 15:02:26,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192253090] [2022-10-10 15:02:26,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192253090] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 15:02:26,871 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 15:02:26,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2022-10-10 15:02:26,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167342369] [2022-10-10 15:02:26,871 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 15:02:26,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-10 15:02:26,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 15:02:26,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-10 15:02:26,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-10-10 15:02:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 15:02:26,873 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 15:02:26,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 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) [2022-10-10 15:02:26,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-10 15:02:26,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-10 15:02:26,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-10 15:02:26,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-10 15:02:26,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-10-10 15:02:26,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-10 15:02:26,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 15:02:27,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-10 15:02:27,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-10 15:02:27,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-10 15:02:27,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-10 15:02:27,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-10 15:02:27,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-10 15:02:27,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-10 15:02:27,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-10 15:02:27,117 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 15:02:27,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 15:02:27,118 INFO L85 PathProgramCache]: Analyzing trace with hash -792212652, now seen corresponding path program 8 times [2022-10-10 15:02:27,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 15:02:27,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023753690] [2022-10-10 15:02:27,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 15:02:27,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 15:02:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-10-10 15:11:46,206 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-10 15:11:46,206 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-10 15:11:46,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-10 15:11:46,283 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Timeout exceeded at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$IntegerInterpolator.interpolate(Interpolator.java:1364) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$MixedLAInterpolator.convert(Interpolator.java:1227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:285) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.mixedPivotLA(Interpolator.java:1409) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.combine(Interpolator.java:387) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$CombineInterpolants.walk(Interpolator.java:166) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:250) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:227) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:879) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:803) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:352) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:284) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:165) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:327) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:229) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-10 15:11:46,288 INFO L158 Benchmark]: Toolchain (without parser) took 563889.41ms. Allocated memory was 180.4MB in the beginning and 6.7GB in the end (delta: 6.5GB). Free memory was 159.6MB in the beginning and 4.0GB in the end (delta: -3.8GB). Peak memory consumption was 2.9GB. Max. memory is 8.0GB. [2022-10-10 15:11:46,288 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 180.4MB. Free memory is still 160.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-10 15:11:46,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.69ms. Allocated memory is still 180.4MB. Free memory was 159.6MB in the beginning and 158.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-10 15:11:46,293 INFO L158 Benchmark]: Boogie Preprocessor took 27.67ms. Allocated memory is still 180.4MB. Free memory was 158.0MB in the beginning and 156.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-10 15:11:46,295 INFO L158 Benchmark]: RCFGBuilder took 260.53ms. Allocated memory is still 180.4MB. Free memory was 156.9MB in the beginning and 146.2MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-10-10 15:11:46,295 INFO L158 Benchmark]: TraceAbstraction took 563563.61ms. Allocated memory was 180.4MB in the beginning and 6.7GB in the end (delta: 6.5GB). Free memory was 145.4MB in the beginning and 4.0GB in the end (delta: -3.9GB). Peak memory consumption was 2.9GB. Max. memory is 8.0GB. [2022-10-10 15:11:46,297 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12ms. Allocated memory is still 180.4MB. Free memory is still 160.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.69ms. Allocated memory is still 180.4MB. Free memory was 159.6MB in the beginning and 158.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.67ms. Allocated memory is still 180.4MB. Free memory was 158.0MB in the beginning and 156.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 260.53ms. Allocated memory is still 180.4MB. Free memory was 156.9MB in the beginning and 146.2MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 563563.61ms. Allocated memory was 180.4MB in the beginning and 6.7GB in the end (delta: 6.5GB). Free memory was 145.4MB in the beginning and 4.0GB in the end (delta: -3.9GB). Peak memory consumption was 2.9GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Timeout exceeded de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Timeout exceeded: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$IntegerInterpolator.interpolate(Interpolator.java:1364) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown