/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 10 --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 [2022-10-06 05:49:18,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-06 05:49:18,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-06 05:49:18,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-06 05:49:18,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-06 05:49:18,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-06 05:49:18,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-06 05:49:18,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-06 05:49:18,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-06 05:49:18,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-06 05:49:18,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-06 05:49:18,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-06 05:49:18,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-06 05:49:18,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-06 05:49:18,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-06 05:49:18,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-06 05:49:18,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-06 05:49:18,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-06 05:49:18,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-06 05:49:18,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-06 05:49:18,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-06 05:49:18,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-06 05:49:18,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-06 05:49:18,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-06 05:49:18,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-06 05:49:18,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-06 05:49:18,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-06 05:49:18,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-06 05:49:18,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-06 05:49:18,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-06 05:49:18,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-06 05:49:18,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-06 05:49:18,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-06 05:49:18,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-06 05:49:18,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-06 05:49:18,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-06 05:49:18,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-06 05:49:18,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-06 05:49:18,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-06 05:49:18,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-06 05:49:18,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-06 05:49:18,355 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf [2022-10-06 05:49:18,383 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-06 05:49:18,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-06 05:49:18,384 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-06 05:49:18,384 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-06 05:49:18,385 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-06 05:49:18,385 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-06 05:49:18,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-06 05:49:18,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-06 05:49:18,387 INFO L138 SettingsManager]: * Use SBE=true [2022-10-06 05:49:18,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-06 05:49:18,387 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-06 05:49:18,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-06 05:49:18,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-06 05:49:18,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-06 05:49:18,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-06 05:49:18,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-06 05:49:18,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-06 05:49:18,388 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-06 05:49:18,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-06 05:49:18,388 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-06 05:49:18,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-06 05:49:18,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-06 05:49:18,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-06 05:49:18,389 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-06 05:49:18,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-06 05:49:18,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 05:49:18,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-06 05:49:18,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-06 05:49:18,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-06 05:49:18,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-06 05:49:18,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-06 05:49:18,390 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-06 05:49:18,391 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-06 05:49:18,391 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-06 05:49:18,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-06 05:49:18,393 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-06 05:49:18,393 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-06 05:49:18,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-06 05:49:18,393 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 [2022-10-06 05:49:18,393 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip probability value -> 10 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip random seed -> 13 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip budget determination mode -> PURE [2022-10-06 05:49:18,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-06 05:49:18,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-06 05:49:18,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-06 05:49:18,798 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-06 05:49:18,799 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-06 05:49:18,801 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/min-max-split-sample.bpl [2022-10-06 05:49:18,801 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/min-max-split-sample.bpl' [2022-10-06 05:49:18,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-06 05:49:18,844 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-06 05:49:18,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-06 05:49:18,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-06 05:49:18,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-06 05:49:18,853 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 06.10 05:49:18" (1/1) ... [2022-10-06 05:49:18,861 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 06.10 05:49:18" (1/1) ... [2022-10-06 05:49:18,869 INFO L138 Inliner]: procedures = 6, calls = 5, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-06 05:49:18,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-06 05:49:18,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-06 05:49:18,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-06 05:49:18,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-06 05:49:18,877 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 06.10 05:49:18" (1/1) ... [2022-10-06 05:49:18,877 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 06.10 05:49:18" (1/1) ... [2022-10-06 05:49:18,879 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 06.10 05:49:18" (1/1) ... [2022-10-06 05:49:18,879 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 06.10 05:49:18" (1/1) ... [2022-10-06 05:49:18,882 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 06.10 05:49:18" (1/1) ... [2022-10-06 05:49:18,890 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 06.10 05:49:18" (1/1) ... [2022-10-06 05:49:18,898 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 06.10 05:49:18" (1/1) ... [2022-10-06 05:49:18,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-06 05:49:18,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-06 05:49:18,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-06 05:49:18,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-06 05:49:18,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 05:49:18" (1/1) ... [2022-10-06 05:49:18,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 05:49:18,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 05:49:18,930 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) [2022-10-06 05:49:18,953 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 [2022-10-06 05:49:18,967 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMin2 given in one single declaration [2022-10-06 05:49:18,968 INFO L130 BoogieDeclarations]: Found specification of procedure computeMin2 [2022-10-06 05:49:18,968 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMin2 [2022-10-06 05:49:18,968 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-10-06 05:49:18,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-06 05:49:18,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-06 05:49:18,969 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMin1 given in one single declaration [2022-10-06 05:49:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure computeMin1 [2022-10-06 05:49:18,969 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMin1 [2022-10-06 05:49:18,969 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMax2 given in one single declaration [2022-10-06 05:49:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure computeMax2 [2022-10-06 05:49:18,969 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMax2 [2022-10-06 05:49:18,969 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMax1 given in one single declaration [2022-10-06 05:49:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure computeMax1 [2022-10-06 05:49:18,970 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMax1 [2022-10-06 05:49:18,970 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sample given in one single declaration [2022-10-06 05:49:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure sample [2022-10-06 05:49:18,970 INFO L138 BoogieDeclarations]: Found implementation of procedure sample [2022-10-06 05:49:18,971 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-06 05:49:19,020 INFO L234 CfgBuilder]: Building ICFG [2022-10-06 05:49:19,022 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-06 05:49:19,163 INFO L275 CfgBuilder]: Performing block encoding [2022-10-06 05:49:19,190 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-06 05:49:19,191 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-06 05:49:19,193 INFO L202 PluginConnector]: Adding new model min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 05:49:19 BoogieIcfgContainer [2022-10-06 05:49:19,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-06 05:49:19,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-06 05:49:19,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-06 05:49:19,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-06 05:49:19,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 05:49:18" (1/2) ... [2022-10-06 05:49:19,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784cbec3 and model type min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 05:49:19, skipping insertion in model container [2022-10-06 05:49:19,200 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 06.10 05:49:19" (2/2) ... [2022-10-06 05:49:19,202 INFO L112 eAbstractionObserver]: Analyzing ICFG min-max-split-sample.bpl [2022-10-06 05:49:19,210 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-06 05:49:19,219 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-06 05:49:19,220 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-06 05:49:19,220 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-06 05:49:19,278 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-10-06 05:49:19,366 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 05:49:19,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 05:49:19,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 05:49:19,385 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-06 05:49:19,407 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 [2022-10-06 05:49:19,424 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 05:49:19,478 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-06 05:49:19,478 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-06 05:49:19,478 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-06 05:49:19,489 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-06 05:49:19,509 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;@57d82ad6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 05:49:19,509 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 05:49:20,089 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 05:49:20,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 05:49:20,098 INFO L85 PathProgramCache]: Analyzing trace with hash 850600203, now seen corresponding path program 1 times [2022-10-06 05:49:20,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 05:49:20,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244889887] [2022-10-06 05:49:20,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 05:49:20,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 05:49:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 05:49:20,365 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-06 05:49:20,366 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 05:49:20,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244889887] [2022-10-06 05:49:20,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244889887] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-06 05:49:20,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-06 05:49:20,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-06 05:49:20,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016390340] [2022-10-06 05:49:20,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-06 05:49:20,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-06 05:49:20,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 05:49:20,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-06 05:49:20,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-06 05:49:20,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 05:49:20,476 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 05:49:20,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 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) [2022-10-06 05:49:20,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 05:49:20,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-06 05:49:20,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-06 05:49:20,793 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 05:49:20,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 05:49:20,794 INFO L85 PathProgramCache]: Analyzing trace with hash 741314007, now seen corresponding path program 1 times [2022-10-06 05:49:20,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 05:49:20,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414004497] [2022-10-06 05:49:20,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 05:49:20,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 05:49:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 05:49:20,930 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-06 05:49:20,931 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 05:49:20,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414004497] [2022-10-06 05:49:20,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414004497] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 05:49:20,931 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 05:49:20,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2022-10-06 05:49:20,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048044220] [2022-10-06 05:49:20,932 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 05:49:20,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-06 05:49:20,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 05:49:20,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-06 05:49:20,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-06 05:49:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 05:49:20,937 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 05:49:20,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) [2022-10-06 05:49:20,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-06 05:49:20,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 05:49:21,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-06 05:49:21,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-06 05:49:21,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-06 05:49:21,130 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 05:49:21,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 05:49:21,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1175974809, now seen corresponding path program 2 times [2022-10-06 05:49:21,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 05:49:21,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069309814] [2022-10-06 05:49:21,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 05:49:21,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 05:49:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 05:49:21,214 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-06 05:49:21,214 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 05:49:21,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069309814] [2022-10-06 05:49:21,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069309814] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 05:49:21,215 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 05:49:21,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2022-10-06 05:49:21,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624819801] [2022-10-06 05:49:21,216 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 05:49:21,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-06 05:49:21,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 05:49:21,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-06 05:49:21,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-06 05:49:21,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 05:49:21,219 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 05:49:21,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) [2022-10-06 05:49:21,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-06 05:49:21,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-06 05:49:21,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 05:49:21,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-06 05:49:21,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-06 05:49:21,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 05:49:21,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-06 05:49:21,578 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 05:49:21,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 05:49:21,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1700283173, now seen corresponding path program 3 times [2022-10-06 05:49:21,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 05:49:21,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573165880] [2022-10-06 05:49:21,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 05:49:21,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 05:49:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 05:49:21,662 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-06 05:49:21,662 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 05:49:21,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573165880] [2022-10-06 05:49:21,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573165880] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 05:49:21,663 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 05:49:21,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2022-10-06 05:49:21,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488660759] [2022-10-06 05:49:21,664 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 05:49:21,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-06 05:49:21,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 05:49:21,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-06 05:49:21,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-06 05:49:21,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 05:49:21,665 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 05:49:21,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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) [2022-10-06 05:49:21,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-06 05:49:21,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-06 05:49:21,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 05:49:21,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 05:49:22,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-06 05:49:22,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-06 05:49:22,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 05:49:22,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 05:49:22,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-06 05:49:22,128 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 05:49:22,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 05:49:22,129 INFO L85 PathProgramCache]: Analyzing trace with hash 409940541, now seen corresponding path program 4 times [2022-10-06 05:49:22,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 05:49:22,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916365367] [2022-10-06 05:49:22,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 05:49:22,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 05:49:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 05:49:22,225 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-06 05:49:22,225 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 05:49:22,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916365367] [2022-10-06 05:49:22,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916365367] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 05:49:22,226 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 05:49:22,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2022-10-06 05:49:22,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355954899] [2022-10-06 05:49:22,226 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 05:49:22,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-06 05:49:22,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 05:49:22,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-06 05:49:22,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-06 05:49:22,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 05:49:22,228 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 05:49:22,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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) [2022-10-06 05:49:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-06 05:49:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-06 05:49:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 05:49:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 05:49:22,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 05:49:22,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-06 05:49:22,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-06 05:49:22,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 05:49:22,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 05:49:22,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 05:49:22,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-06 05:49:22,786 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 05:49:22,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 05:49:22,788 INFO L85 PathProgramCache]: Analyzing trace with hash 904730971, now seen corresponding path program 5 times [2022-10-06 05:49:22,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 05:49:22,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808063055] [2022-10-06 05:49:22,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 05:49:22,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 05:49:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 05:49:22,880 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-06 05:49:22,880 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 05:49:22,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808063055] [2022-10-06 05:49:22,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808063055] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 05:49:22,881 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 05:49:22,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2022-10-06 05:49:22,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755828365] [2022-10-06 05:49:22,881 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 05:49:22,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-06 05:49:22,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 05:49:22,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-06 05:49:22,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-06 05:49:22,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 05:49:22,883 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 05:49:22,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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) [2022-10-06 05:49:22,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-06 05:49:22,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-06 05:49:22,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 05:49:22,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 05:49:22,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 05:49:22,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 05:49:23,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-06 05:49:23,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-06 05:49:23,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 05:49:23,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 05:49:23,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 05:49:23,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 05:49:23,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-06 05:49:23,311 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 05:49:23,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 05:49:23,311 INFO L85 PathProgramCache]: Analyzing trace with hash 877337555, now seen corresponding path program 6 times [2022-10-06 05:49:23,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 05:49:23,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156820922] [2022-10-06 05:49:23,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 05:49:23,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 05:49:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-10-06 05:59:03,422 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-06 05:59:03,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-06 05:59:03,423 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 57 with TraceHistMax 4,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-4-7-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-2-6-2-5-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-3-2-3-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. [2022-10-06 05:59:03,430 INFO L444 BasicCegarLoop]: Path program histogram: [6, 1] [2022-10-06 05:59:03,431 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/6) [2022-10-06 05:59:03,433 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-06 05:59:03,433 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-06 05:59:03,436 INFO L202 PluginConnector]: Adding new model min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 05:59:03 BasicIcfg [2022-10-06 05:59:03,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-06 05:59:03,437 INFO L158 Benchmark]: Toolchain (without parser) took 584593.36ms. Allocated memory was 189.8MB in the beginning and 723.5MB in the end (delta: 533.7MB). Free memory was 169.0MB in the beginning and 644.1MB in the end (delta: -475.1MB). Peak memory consumption was 437.7MB. Max. memory is 8.0GB. [2022-10-06 05:59:03,437 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.18ms. Allocated memory is still 189.8MB. Free memory is still 170.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-06 05:59:03,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.77ms. Allocated memory is still 189.8MB. Free memory was 168.8MB in the beginning and 167.3MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-10-06 05:59:03,438 INFO L158 Benchmark]: Boogie Preprocessor took 29.16ms. Allocated memory is still 189.8MB. Free memory was 167.3MB in the beginning and 166.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-06 05:59:03,438 INFO L158 Benchmark]: RCFGBuilder took 292.11ms. Allocated memory is still 189.8MB. Free memory was 166.2MB in the beginning and 155.6MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-10-06 05:59:03,439 INFO L158 Benchmark]: TraceAbstraction took 584240.91ms. Allocated memory was 189.8MB in the beginning and 723.5MB in the end (delta: 533.7MB). Free memory was 154.9MB in the beginning and 644.1MB in the end (delta: -489.2MB). Peak memory consumption was 423.1MB. Max. memory is 8.0GB. [2022-10-06 05:59:03,440 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 0.18ms. Allocated memory is still 189.8MB. Free memory is still 170.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.77ms. Allocated memory is still 189.8MB. Free memory was 168.8MB in the beginning and 167.3MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.16ms. Allocated memory is still 189.8MB. Free memory was 167.3MB in the beginning and 166.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 292.11ms. Allocated memory is still 189.8MB. Free memory was 166.2MB in the beginning and 155.6MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 584240.91ms. Allocated memory was 189.8MB in the beginning and 723.5MB in the end (delta: 533.7MB). Free memory was 154.9MB in the beginning and 644.1MB in the end (delta: -489.2MB). Peak memory consumption was 423.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 3794, positive: 3504, positive conditional: 3504, positive unconditional: 0, negative: 290, negative conditional: 290, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 112864, positive: 105880, positive conditional: 105880, positive unconditional: 0, negative: 6984, negative conditional: 6984, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 105880, positive: 105880, positive conditional: 0, positive unconditional: 105880, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 467, positive: 467, positive conditional: 0, positive unconditional: 467, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 105880, positive: 105413, positive conditional: 0, positive unconditional: 105413, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 467, unknown conditional: 0, unknown unconditional: 467] , Statistics on independence cache: Total cache size (in pairs): 172, Positive cache size: 172, Positive conditional cache size: 0, Positive unconditional cache size: 172, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 290, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 4240, positive: 3920, positive conditional: 3920, positive unconditional: 0, negative: 320, negative conditional: 320, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 112864, positive: 105880, positive conditional: 105880, positive unconditional: 0, negative: 6984, negative conditional: 6984, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 105880, positive: 105880, positive conditional: 0, positive unconditional: 105880, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 467, positive: 467, positive conditional: 0, positive unconditional: 467, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 105880, positive: 105413, positive conditional: 0, positive unconditional: 105413, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 467, unknown conditional: 0, unknown unconditional: 467] , Statistics on independence cache: Total cache size (in pairs): 331, Positive cache size: 331, Positive conditional cache size: 0, Positive unconditional cache size: 331, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 610, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 3966, positive: 3668, positive conditional: 3668, positive unconditional: 0, negative: 298, negative conditional: 298, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 112864, positive: 105880, positive conditional: 105880, positive unconditional: 0, negative: 6984, negative conditional: 6984, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 105880, positive: 105880, positive conditional: 0, positive unconditional: 105880, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 467, positive: 467, positive conditional: 0, positive unconditional: 467, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 105880, positive: 105413, positive conditional: 0, positive unconditional: 105413, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 467, unknown conditional: 0, unknown unconditional: 467] , Statistics on independence cache: Total cache size (in pairs): 331, Positive cache size: 331, Positive conditional cache size: 0, Positive unconditional cache size: 331, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 908, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 11892, positive: 11124, positive conditional: 11124, positive unconditional: 0, negative: 768, negative conditional: 768, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 112864, positive: 105880, positive conditional: 105880, positive unconditional: 0, negative: 6984, negative conditional: 6984, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 105880, positive: 105880, positive conditional: 0, positive unconditional: 105880, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 467, positive: 467, positive conditional: 0, positive unconditional: 467, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 105880, positive: 105413, positive conditional: 0, positive unconditional: 105413, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 467, unknown conditional: 0, unknown unconditional: 467] , Statistics on independence cache: Total cache size (in pairs): 350, Positive cache size: 350, Positive conditional cache size: 0, Positive unconditional cache size: 350, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 1676, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 22631, positive: 21211, positive conditional: 21211, positive unconditional: 0, negative: 1420, negative conditional: 1420, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 112864, positive: 105880, positive conditional: 105880, positive unconditional: 0, negative: 6984, negative conditional: 6984, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 105880, positive: 105880, positive conditional: 0, positive unconditional: 105880, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 467, positive: 467, positive conditional: 0, positive unconditional: 467, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 105880, positive: 105413, positive conditional: 0, positive unconditional: 105413, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 467, unknown conditional: 0, unknown unconditional: 467] , Statistics on independence cache: Total cache size (in pairs): 350, Positive cache size: 350, Positive conditional cache size: 0, Positive unconditional cache size: 350, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 3096, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks [2022-10-06 05:59:03,447 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 [2022-10-06 05:59:03,447 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 IndependenceRelationWithAbstraction.Independence Queries: [ total: 33639, positive: 31620, positive conditional: 31620, positive unconditional: 0, negative: 2019, negative conditional: 2019, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 112864, positive: 105880, positive conditional: 105880, positive unconditional: 0, negative: 6984, negative conditional: 6984, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 105880, positive: 105880, positive conditional: 0, positive unconditional: 105880, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 467, positive: 467, positive conditional: 0, positive unconditional: 467, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 105880, positive: 105413, positive conditional: 0, positive unconditional: 105413, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 467, unknown conditional: 0, unknown unconditional: 467] , Statistics on independence cache: Total cache size (in pairs): 467, Positive cache size: 467, Positive conditional cache size: 0, Positive unconditional cache size: 467, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 5115, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 32702, positive: 30833, positive conditional: 30833, positive unconditional: 0, negative: 1869, negative conditional: 1869, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 112864, positive: 105880, positive conditional: 105880, positive unconditional: 0, negative: 6984, negative conditional: 6984, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 105880, positive: 105880, positive conditional: 0, positive unconditional: 105880, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 467, positive: 467, positive conditional: 0, positive unconditional: 467, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 105880, positive: 105413, positive conditional: 0, positive unconditional: 105413, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 467, unknown conditional: 0, unknown unconditional: 467] , Statistics on independence cache: Total cache size (in pairs): 467, Positive cache size: 467, Positive conditional cache size: 0, Positive unconditional cache size: 467, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 6984, Statistics for Abstraction: - StatisticsResult: Independence relation #8 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 944, positive: 145, positive conditional: 145, positive unconditional: 0, negative: 799, negative conditional: 799, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 145, positive: 145, positive conditional: 145, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 145, positive: 145, positive conditional: 145, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 145, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 145, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 145, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 76, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 76, positive: 75, positive conditional: 0, positive unconditional: 75, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 145, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 76, unknown conditional: 0, unknown unconditional: 76] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 799 - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 57 with TraceHistMax 4,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-4-7-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-3-6-2-6-2-5-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-4-2-3-2-3-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 11 procedures, 71 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 584.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 2.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 280 NumberOfCodeBlocks, 280 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 274 ConstructedInterpolants, 0 QuantifiedInterpolants, 754 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 133/168 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown