/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-subst.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 15:41:58,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 15:41:58,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 15:41:59,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-14 15:41:59,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-14 15:41:59,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-14 15:41:59,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-14 15:41:59,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-14 15:41:59,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-14 15:41:59,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-14 15:41:59,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-14 15:41:59,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-14 15:41:59,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 15:41:59,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 15:41:59,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 15:41:59,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 15:41:59,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 15:41:59,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 15:41:59,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 15:41:59,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 15:41:59,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 15:41:59,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 15:41:59,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 15:41:59,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 15:41:59,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-14 15:41:59,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-14 15:41:59,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-14 15:41:59,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-14 15:41:59,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-14 15:41:59,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-14 15:41:59,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-14 15:41:59,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-14 15:41:59,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-14 15:41:59,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-14 15:41:59,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-14 15:41:59,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-14 15:41:59,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-14 15:41:59,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-14 15:41:59,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 15:41:59,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 15:41:59,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 15:41:59,040 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-07-14 15:41:59,077 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 15:41:59,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 15:41:59,078 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 15:41:59,078 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 15:41:59,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 15:41:59,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 15:41:59,079 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 15:41:59,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 15:41:59,079 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 15:41:59,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 15:41:59,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 15:41:59,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 15:41:59,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 15:41:59,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 15:41:59,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 15:41:59,080 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 15:41:59,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 15:41:59,081 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 15:41:59,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 15:41:59,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 15:41:59,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 15:41:59,081 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 15:41:59,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 15:41:59,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 15:41:59,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 15:41:59,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 15:41:59,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 15:41:59,096 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 15:41:59,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 15:41:59,097 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 15:41:59,097 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 15:41:59,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 15:41:59,097 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 15:41:59,097 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 15:41:59,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 15:41:59,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 15:41:59,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 15:41:59,429 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 15:41:59,430 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 15:41:59,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-subst.wvr.bpl [2021-07-14 15:41:59,582 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-subst.wvr.bpl' [2021-07-14 15:41:59,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 15:41:59,965 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 15:41:59,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 15:41:59,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 15:41:59,966 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 15:41:59,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:41:59" (1/1) ... [2021-07-14 15:41:59,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:41:59" (1/1) ... [2021-07-14 15:41:59,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 15:41:59,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 15:41:59,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 15:41:59,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 15:41:59,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:41:59" (1/1) ... [2021-07-14 15:41:59,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:41:59" (1/1) ... [2021-07-14 15:42:00,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:41:59" (1/1) ... [2021-07-14 15:42:00,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:41:59" (1/1) ... [2021-07-14 15:42:00,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:41:59" (1/1) ... [2021-07-14 15:42:00,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:41:59" (1/1) ... [2021-07-14 15:42:00,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:41:59" (1/1) ... [2021-07-14 15:42:00,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 15:42:00,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 15:42:00,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 15:42:00,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 15:42:00,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:41:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 15:42:00,070 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 15:42:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 15:42:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 15:42:00,071 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 15:42:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 15:42:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 15:42:00,071 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 15:42:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 15:42:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 15:42:00,073 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 15:42:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 15:42:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 15:42:00,073 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 15:42:00,336 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 15:42:00,337 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-07-14 15:42:00,337 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 15:42:00,338 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-14 15:42:00,338 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-07-14 15:42:00,339 INFO L202 PluginConnector]: Adding new model array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:42:00 BoogieIcfgContainer [2021-07-14 15:42:00,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 15:42:00,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 15:42:00,342 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 15:42:00,344 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 15:42:00,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:41:59" (1/2) ... [2021-07-14 15:42:00,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2517d53f and model type array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:42:00, skipping insertion in model container [2021-07-14 15:42:00,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:42:00" (2/2) ... [2021-07-14 15:42:00,346 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-subst.wvr.bpl [2021-07-14 15:42:00,350 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 15:42:00,350 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 15:42:00,350 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 15:42:00,351 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 15:42:00,406 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 15:42:00,423 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 15:42:00,470 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 15:42:00,470 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 15:42:00,470 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 15:42:00,470 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 15:42:00,470 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 15:42:00,470 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 15:42:00,470 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 15:42:00,471 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 15:42:00,559 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:42:00,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:42:00,564 INFO L82 PathProgramCache]: Analyzing trace with hash -2040377020, now seen corresponding path program 1 times [2021-07-14 15:42:00,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:42:00,570 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444555257] [2021-07-14 15:42:00,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:42:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:00,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:00,772 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:42:00,772 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444555257] [2021-07-14 15:42:00,773 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444555257] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 15:42:00,773 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 15:42:00,773 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 15:42:00,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261745544] [2021-07-14 15:42:00,777 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 15:42:00,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:42:00,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 15:42:00,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-14 15:42:00,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:00,793 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:42:00,794 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2021-07-14 15:42:00,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:00,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:00,869 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 15:42:00,869 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:42:00,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:42:00,872 INFO L82 PathProgramCache]: Analyzing trace with hash 120010320, now seen corresponding path program 1 times [2021-07-14 15:42:00,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:42:00,873 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525404953] [2021-07-14 15:42:00,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:42:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:00,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:00,981 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:42:00,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525404953] [2021-07-14 15:42:00,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525404953] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:00,982 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530227765] [2021-07-14 15:42:00,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:01,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 15:42:01,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:42:01,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:01,260 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530227765] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:01,260 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:42:01,260 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-07-14 15:42:01,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419795752] [2021-07-14 15:42:01,262 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 15:42:01,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:42:01,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 15:42:01,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-07-14 15:42:01,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:01,264 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:42:01,264 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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) [2021-07-14 15:42:01,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:01,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:01,706 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:01,708 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:42:01,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:42:01,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1830373554, now seen corresponding path program 1 times [2021-07-14 15:42:01,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:42:01,709 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423189287] [2021-07-14 15:42:01,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:42:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:01,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:01,782 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:42:01,783 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423189287] [2021-07-14 15:42:01,784 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423189287] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:01,784 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275392348] [2021-07-14 15:42:01,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:01,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 15:42:01,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:42:01,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:01,938 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275392348] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:01,938 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:42:01,939 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-07-14 15:42:01,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136499674] [2021-07-14 15:42:01,939 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 15:42:01,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:42:01,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 15:42:01,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-07-14 15:42:01,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:01,940 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:42:01,940 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 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) [2021-07-14 15:42:01,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:01,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:01,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:02,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:02,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:02,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:02,526 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:02,526 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:42:02,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:42:02,527 INFO L82 PathProgramCache]: Analyzing trace with hash 523540434, now seen corresponding path program 1 times [2021-07-14 15:42:02,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:42:02,527 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205478520] [2021-07-14 15:42:02,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:42:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:02,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:02,617 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:42:02,618 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205478520] [2021-07-14 15:42:02,618 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205478520] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:02,618 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270202931] [2021-07-14 15:42:02,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:02,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 15:42:02,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:42:02,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:02,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270202931] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:02,750 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:42:02,750 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-14 15:42:02,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973363320] [2021-07-14 15:42:02,751 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 15:42:02,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:42:02,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 15:42:02,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-07-14 15:42:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:02,752 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:42:02,752 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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) [2021-07-14 15:42:02,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:02,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:02,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:02,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:02,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:02,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:02,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:02,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:42:03,085 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:03,086 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:42:03,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:42:03,086 INFO L82 PathProgramCache]: Analyzing trace with hash -2002927230, now seen corresponding path program 1 times [2021-07-14 15:42:03,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:42:03,087 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488848806] [2021-07-14 15:42:03,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:42:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:03,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:03,121 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:42:03,121 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488848806] [2021-07-14 15:42:03,122 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488848806] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:03,122 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076761015] [2021-07-14 15:42:03,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:03,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 15:42:03,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:42:03,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:03,237 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076761015] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:03,237 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:42:03,237 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-14 15:42:03,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489942400] [2021-07-14 15:42:03,237 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 15:42:03,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:42:03,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 15:42:03,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-07-14 15:42:03,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:03,239 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:42:03,239 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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) [2021-07-14 15:42:03,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:03,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:03,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:03,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:42:03,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:03,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:03,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:03,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:03,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:42:03,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:03,548 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-07-14 15:42:03,549 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:42:03,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:42:03,550 INFO L82 PathProgramCache]: Analyzing trace with hash -1303650252, now seen corresponding path program 1 times [2021-07-14 15:42:03,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:42:03,550 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557196752] [2021-07-14 15:42:03,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:42:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:04,027 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:04,027 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:42:04,027 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557196752] [2021-07-14 15:42:04,027 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557196752] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:04,027 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725733450] [2021-07-14 15:42:04,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:04,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-14 15:42:04,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:42:04,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 15:42:04,246 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:04,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 15:42:04,250 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:04,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 15:42:04,261 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:04,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 15:42:04,268 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:04,306 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:04,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 15:42:04,311 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:04,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-14 15:42:04,315 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:04,350 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:04,354 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 15:42:04,354 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:181, output treesize:133 [2021-07-14 15:42:04,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-14 15:42:04,557 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:04,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 15:42:04,562 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:04,631 INFO L628 ElimStorePlain]: treesize reduction 88, result has 54.6 percent of original size [2021-07-14 15:42:04,631 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 15:42:04,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-07-14 15:42:04,642 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:04,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-07-14 15:42:04,648 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:04,683 INFO L628 ElimStorePlain]: treesize reduction 20, result has 73.7 percent of original size [2021-07-14 15:42:04,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-07-14 15:42:04,692 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 15:42:04,705 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:04,705 INFO L518 ElimStorePlain]: Eliminatee v_prenex_4 vanished before elimination [2021-07-14 15:42:04,705 INFO L518 ElimStorePlain]: Eliminatee v_prenex_5 vanished before elimination [2021-07-14 15:42:04,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-14 15:42:04,711 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:04,722 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:04,722 INFO L518 ElimStorePlain]: Eliminatee v_prenex_7 vanished before elimination [2021-07-14 15:42:04,723 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 15:42:04,723 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:220, output treesize:32 [2021-07-14 15:42:04,776 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:04,776 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725733450] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:04,777 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:42:04,777 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2021-07-14 15:42:04,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990844336] [2021-07-14 15:42:04,777 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 15:42:04,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:42:04,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 15:42:04,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-07-14 15:42:04,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:04,778 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:42:04,778 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 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) [2021-07-14 15:42:04,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:04,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:04,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:04,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:42:04,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:04,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:05,187 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2021-07-14 15:42:05,635 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2021-07-14 15:42:05,879 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2021-07-14 15:42:05,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:05,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:05,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:05,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:42:05,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:05,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:06,117 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:06,117 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:42:06,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:42:06,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1100900414, now seen corresponding path program 2 times [2021-07-14 15:42:06,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:42:06,118 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997149125] [2021-07-14 15:42:06,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:42:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:06,190 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 15:42:06,190 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:42:06,190 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997149125] [2021-07-14 15:42:06,190 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997149125] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:06,190 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938749640] [2021-07-14 15:42:06,190 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:06,232 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 15:42:06,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:42:06,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 15:42:06,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:42:06,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-07-14 15:42:06,279 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:06,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 15:42:06,284 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:06,293 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:06,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 6 [2021-07-14 15:42:06,298 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 15:42:06,306 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:06,307 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:42:06,308 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:41, output treesize:21 [2021-07-14 15:42:06,414 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 15:42:06,414 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938749640] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:06,415 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:42:06,417 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-14 15:42:06,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078242849] [2021-07-14 15:42:06,417 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 15:42:06,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:42:06,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 15:42:06,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-07-14 15:42:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:06,418 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:42:06,418 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 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) [2021-07-14 15:42:06,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:06,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:06,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:06,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:42:06,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:06,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:06,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:06,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:06,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:06,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:06,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:06,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:06,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:06,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:07,150 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:07,150 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:42:07,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:42:07,151 INFO L82 PathProgramCache]: Analyzing trace with hash -292563996, now seen corresponding path program 1 times [2021-07-14 15:42:07,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:42:07,151 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391304408] [2021-07-14 15:42:07,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:42:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:07,179 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:07,180 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:42:07,180 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391304408] [2021-07-14 15:42:07,180 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391304408] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:07,180 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813474307] [2021-07-14 15:42:07,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:07,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 15:42:07,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:42:07,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:07,269 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813474307] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:07,269 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:42:07,269 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-07-14 15:42:07,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673935119] [2021-07-14 15:42:07,269 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 15:42:07,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:42:07,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 15:42:07,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-07-14 15:42:07,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:07,271 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:42:07,271 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 states have internal predecessors, (20), 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) [2021-07-14 15:42:07,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:07,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:07,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:07,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:07,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:07,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:07,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:07,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:07,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:07,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:07,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:07,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:07,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:07,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:07,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:07,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:07,592 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-07-14 15:42:07,592 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:42:07,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:42:07,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1337170202, now seen corresponding path program 3 times [2021-07-14 15:42:07,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:42:07,593 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831311542] [2021-07-14 15:42:07,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:42:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:07,961 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:07,961 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:42:07,961 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831311542] [2021-07-14 15:42:07,962 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831311542] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:07,962 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912253908] [2021-07-14 15:42:07,962 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:07,993 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-14 15:42:07,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:42:07,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-14 15:42:07,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:42:08,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:08,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 15:42:08,082 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:08,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 15:42:08,087 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:08,104 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:08,105 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:42:08,105 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:67, output treesize:53 [2021-07-14 15:42:08,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-14 15:42:08,248 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:08,255 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:08,255 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 15:42:08,255 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:42:08,255 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:16 [2021-07-14 15:42:08,290 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:08,291 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912253908] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:08,291 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:42:08,291 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2021-07-14 15:42:08,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084813401] [2021-07-14 15:42:08,291 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 15:42:08,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:42:08,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 15:42:08,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2021-07-14 15:42:08,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:08,292 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:42:08,292 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 19 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 15:42:08,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:08,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:08,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:08,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:08,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:08,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:08,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:08,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:08,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:09,021 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2021-07-14 15:42:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:09,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:09,260 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-07-14 15:42:09,260 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:42:09,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:42:09,261 INFO L82 PathProgramCache]: Analyzing trace with hash 673295730, now seen corresponding path program 4 times [2021-07-14 15:42:09,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:42:09,261 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946084494] [2021-07-14 15:42:09,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:42:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:09,403 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:09,403 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:42:09,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946084494] [2021-07-14 15:42:09,403 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946084494] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:09,404 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979666470] [2021-07-14 15:42:09,404 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:09,437 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 15:42:09,437 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:42:09,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 15:42:09,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:42:09,518 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:09,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:42:09,520 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:09,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 15:42:09,523 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:09,534 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:09,535 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:42:09,535 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 15:42:09,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:09,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 15:42:09,604 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:09,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:42:09,607 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:09,621 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 15:42:09,621 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 15:42:09,622 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 15:42:09,622 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 15:42:09,646 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:09,646 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979666470] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:09,646 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:42:09,646 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2021-07-14 15:42:09,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936677451] [2021-07-14 15:42:09,647 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 15:42:09,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:42:09,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 15:42:09,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2021-07-14 15:42:09,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:09,648 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:42:09,648 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.7894736842105263) internal successors, (34), 19 states have internal predecessors, (34), 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) [2021-07-14 15:42:09,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:09,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:09,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:09,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:09,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:09,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:09,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:09,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:09,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:09,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:10,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:10,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:10,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:10,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:10,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:10,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:10,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:10,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:10,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:10,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:10,237 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:10,237 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:42:10,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:42:10,238 INFO L82 PathProgramCache]: Analyzing trace with hash 54882884, now seen corresponding path program 5 times [2021-07-14 15:42:10,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:42:10,238 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013084775] [2021-07-14 15:42:10,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:42:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:10,778 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:10,779 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:42:10,779 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013084775] [2021-07-14 15:42:10,779 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013084775] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:10,779 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906039015] [2021-07-14 15:42:10,779 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:10,812 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 15:42:10,812 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:42:10,813 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2021-07-14 15:42:10,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:42:11,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2021-07-14 15:42:11,051 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:11,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2021-07-14 15:42:11,055 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:11,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2021-07-14 15:42:11,059 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:11,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 37 [2021-07-14 15:42:11,064 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:11,090 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:11,092 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 15:42:11,092 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:179, output treesize:117 [2021-07-14 15:42:11,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:11,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2021-07-14 15:42:11,371 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:11,374 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:11,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 32 [2021-07-14 15:42:11,376 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:11,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:11,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2021-07-14 15:42:11,383 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:11,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:11,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2021-07-14 15:42:11,394 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:11,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:11,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2021-07-14 15:42:11,402 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:11,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:11,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-07-14 15:42:11,409 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:11,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:11,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2021-07-14 15:42:11,417 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:11,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2021-07-14 15:42:11,422 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:11,516 INFO L628 ElimStorePlain]: treesize reduction 117, result has 56.7 percent of original size [2021-07-14 15:42:11,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:11,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-07-14 15:42:11,520 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:11,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:11,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-07-14 15:42:11,525 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:11,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:11,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-07-14 15:42:11,529 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:11,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2021-07-14 15:42:11,532 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:11,567 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:11,568 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-07-14 15:42:11,568 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 2 variables, input treesize:385, output treesize:102 [2021-07-14 15:42:11,724 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:11,724 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906039015] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:11,724 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:42:11,724 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2021-07-14 15:42:11,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96570510] [2021-07-14 15:42:11,725 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 15:42:11,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:42:11,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 15:42:11,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=454, Unknown=0, NotChecked=0, Total=506 [2021-07-14 15:42:11,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:11,726 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:42:11,726 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 states have internal predecessors, (36), 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) [2021-07-14 15:42:11,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:11,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:11,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:11,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:11,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:11,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:11,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:11,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:11,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:11,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:11,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:12,186 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 75 [2021-07-14 15:42:12,385 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 71 [2021-07-14 15:42:12,705 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 60 [2021-07-14 15:42:12,910 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 79 [2021-07-14 15:42:13,100 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 75 [2021-07-14 15:42:13,434 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2021-07-14 15:42:13,623 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 75 [2021-07-14 15:42:13,765 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 64 [2021-07-14 15:42:13,954 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 78 [2021-07-14 15:42:14,283 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-07-14 15:42:14,564 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 85 [2021-07-14 15:42:14,904 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 100 [2021-07-14 15:42:15,076 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 54 [2021-07-14 15:42:15,242 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 63 [2021-07-14 15:42:15,400 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 56 [2021-07-14 15:42:15,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:15,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:15,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:15,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:15,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:15,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:15,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:15,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:15,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:15,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:15,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:15,656 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-07-14 15:42:15,659 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:42:15,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:42:15,659 INFO L82 PathProgramCache]: Analyzing trace with hash -2140018864, now seen corresponding path program 6 times [2021-07-14 15:42:15,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:42:15,660 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956891294] [2021-07-14 15:42:15,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:42:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:15,745 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:15,745 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:42:15,745 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956891294] [2021-07-14 15:42:15,746 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956891294] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:15,746 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817324127] [2021-07-14 15:42:15,746 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:15,776 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-07-14 15:42:15,776 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:42:15,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 15:42:15,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:42:15,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:15,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:42:15,837 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:15,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 15:42:15,840 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:15,862 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:15,863 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:42:15,863 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 15:42:15,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:15,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 15:42:15,921 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:15,923 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 15:42:15,923 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:15,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 15:42:15,926 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:15,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:42:15,929 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:15,942 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-14 15:42:15,943 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 15:42:15,943 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:42:15,943 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 15:42:15,965 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:15,965 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817324127] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:15,965 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:42:15,965 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2021-07-14 15:42:15,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442450990] [2021-07-14 15:42:15,966 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 15:42:15,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:42:15,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 15:42:15,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-07-14 15:42:15,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:15,967 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:42:15,967 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.8571428571428572) internal successors, (26), 14 states have internal predecessors, (26), 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) [2021-07-14 15:42:15,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:15,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:15,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:15,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:15,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:15,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:15,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:15,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:15,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:15,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:15,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:15,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:16,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:16,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:16,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:16,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:16,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:16,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:16,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:16,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:16,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:16,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:16,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:16,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:16,661 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:16,662 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:42:16,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:42:16,662 INFO L82 PathProgramCache]: Analyzing trace with hash -2105534894, now seen corresponding path program 7 times [2021-07-14 15:42:16,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:42:16,662 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492621672] [2021-07-14 15:42:16,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:42:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:17,080 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:17,080 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:42:17,080 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492621672] [2021-07-14 15:42:17,080 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492621672] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:17,080 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365602834] [2021-07-14 15:42:17,080 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:17,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-14 15:42:17,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:42:17,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:17,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2021-07-14 15:42:17,273 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:17,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2021-07-14 15:42:17,277 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:17,294 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:17,295 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:42:17,295 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:81, output treesize:53 [2021-07-14 15:42:17,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-07-14 15:42:17,477 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:17,483 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:17,483 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 15:42:17,483 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:42:17,483 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:42, output treesize:16 [2021-07-14 15:42:17,522 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:17,522 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365602834] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:17,522 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:42:17,522 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-14 15:42:17,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543143229] [2021-07-14 15:42:17,522 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 15:42:17,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:42:17,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 15:42:17,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=503, Unknown=0, NotChecked=0, Total=552 [2021-07-14 15:42:17,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:17,523 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:42:17,523 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 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) [2021-07-14 15:42:17,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:17,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:17,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:17,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:17,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:17,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:17,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:17,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:17,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:17,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:17,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:17,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:17,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:18,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:18,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:18,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:18,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:18,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:18,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:18,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:18,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:18,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:18,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:18,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:18,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:18,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:18,586 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2021-07-14 15:42:18,587 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:42:18,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:42:18,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1123885954, now seen corresponding path program 8 times [2021-07-14 15:42:18,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:42:18,587 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714374278] [2021-07-14 15:42:18,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:42:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:18,763 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:18,763 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:42:18,763 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714374278] [2021-07-14 15:42:18,763 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714374278] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:18,763 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921710040] [2021-07-14 15:42:18,764 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:18,804 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 15:42:18,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:42:18,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 15:42:18,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:42:18,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:18,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:42:18,929 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:18,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 15:42:18,932 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:18,944 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:18,945 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:42:18,945 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 15:42:19,063 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:19,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:42:19,066 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:19,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 15:42:19,070 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:19,084 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 15:42:19,084 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 15:42:19,085 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 15:42:19,085 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 15:42:19,110 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:19,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1921710040] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:19,110 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:42:19,110 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 25 [2021-07-14 15:42:19,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913334256] [2021-07-14 15:42:19,111 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 15:42:19,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:42:19,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 15:42:19,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2021-07-14 15:42:19,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:19,131 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:42:19,132 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.6) internal successors, (40), 25 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) [2021-07-14 15:42:19,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:19,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:19,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:19,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:19,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:19,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:19,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:19,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:19,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:19,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:19,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:19,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:19,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:19,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:19,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:19,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:19,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:19,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:19,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:19,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:19,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:19,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:19,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:19,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:19,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:19,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:19,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:19,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:19,815 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:19,816 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:42:19,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:42:19,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1138277940, now seen corresponding path program 9 times [2021-07-14 15:42:19,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:42:19,816 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463105197] [2021-07-14 15:42:19,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:42:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:20,353 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:20,353 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:42:20,353 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463105197] [2021-07-14 15:42:20,353 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463105197] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:20,353 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262172833] [2021-07-14 15:42:20,353 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:20,394 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 15:42:20,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:42:20,395 WARN L261 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-14 15:42:20,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:42:20,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 41 [2021-07-14 15:42:20,845 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:20,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-07-14 15:42:20,860 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:20,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 39 [2021-07-14 15:42:20,872 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:20,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 39 [2021-07-14 15:42:20,878 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:20,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 39 [2021-07-14 15:42:20,884 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:20,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-07-14 15:42:20,887 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:20,927 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:20,929 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 15:42:20,929 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:331, output treesize:199 [2021-07-14 15:42:21,298 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 47 [2021-07-14 15:42:21,480 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2021-07-14 15:42:21,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2021-07-14 15:42:21,535 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:21,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2021-07-14 15:42:21,542 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:21,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2021-07-14 15:42:21,548 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:21,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2021-07-14 15:42:21,554 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:21,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2021-07-14 15:42:21,560 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:21,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2021-07-14 15:42:21,564 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:21,594 INFO L628 ElimStorePlain]: treesize reduction 65, result has 33.0 percent of original size [2021-07-14 15:42:21,594 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 15:42:21,595 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 15:42:21,595 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:273, output treesize:32 [2021-07-14 15:42:21,650 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:21,650 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262172833] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:21,650 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:42:21,650 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 30 [2021-07-14 15:42:21,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485082242] [2021-07-14 15:42:21,651 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-14 15:42:21,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:42:21,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-14 15:42:21,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=802, Unknown=0, NotChecked=0, Total=870 [2021-07-14 15:42:21,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:21,652 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:42:21,652 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.4) internal successors, (42), 30 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) [2021-07-14 15:42:21,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:21,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:21,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:21,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:21,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:21,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:21,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:21,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:21,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:21,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:21,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:21,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:21,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:21,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:21,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:22,400 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2021-07-14 15:42:22,912 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2021-07-14 15:42:23,375 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 95 [2021-07-14 15:42:23,752 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 112 [2021-07-14 15:42:24,142 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 123 [2021-07-14 15:42:24,437 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 96 [2021-07-14 15:42:24,696 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 68 [2021-07-14 15:42:24,877 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2021-07-14 15:42:25,118 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 77 [2021-07-14 15:42:25,297 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 52 [2021-07-14 15:42:25,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:25,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:25,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:25,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:25,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:25,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:25,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:25,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:25,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:25,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:25,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:25,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:25,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:25,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:25,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:42:25,549 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:25,550 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:42:25,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:42:25,550 INFO L82 PathProgramCache]: Analyzing trace with hash -189520540, now seen corresponding path program 10 times [2021-07-14 15:42:25,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:42:25,550 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75187255] [2021-07-14 15:42:25,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:42:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:25,657 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:25,657 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:42:25,657 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75187255] [2021-07-14 15:42:25,657 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75187255] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:25,657 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491646500] [2021-07-14 15:42:25,657 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:25,691 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 15:42:25,691 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:42:25,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 15:42:25,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:42:25,752 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:25,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:42:25,753 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:25,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 15:42:25,756 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:25,767 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:25,768 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:42:25,768 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 15:42:25,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:25,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:42:25,834 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:25,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 15:42:25,837 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:25,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-14 15:42:25,841 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:25,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 15:42:25,844 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:25,862 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-14 15:42:25,862 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 15:42:25,863 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:42:25,863 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 15:42:25,889 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:25,889 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491646500] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:25,889 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:42:25,889 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 18 [2021-07-14 15:42:25,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037961277] [2021-07-14 15:42:25,890 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 15:42:25,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:42:25,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 15:42:25,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-07-14 15:42:25,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:25,890 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:42:25,891 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 18 states have internal predecessors, (30), 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) [2021-07-14 15:42:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:42:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:26,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:26,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:26,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:26,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:26,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:26,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:26,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:26,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:26,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:26,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:26,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:26,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:26,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:26,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:26,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:42:26,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:26,776 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:26,777 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:42:26,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:42:26,777 INFO L82 PathProgramCache]: Analyzing trace with hash 217184102, now seen corresponding path program 11 times [2021-07-14 15:42:26,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:42:26,777 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394364655] [2021-07-14 15:42:26,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:42:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:27,206 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:27,207 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:42:27,207 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394364655] [2021-07-14 15:42:27,207 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394364655] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:27,207 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504305781] [2021-07-14 15:42:27,207 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:27,244 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-14 15:42:27,244 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:42:27,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2021-07-14 15:42:27,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:42:27,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:42:27,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:42:27,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:27,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-07-14 15:42:27,488 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:27,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:42:27,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:42:27,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-07-14 15:42:27,493 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:27,510 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:27,511 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:42:27,511 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:103, output treesize:53 [2021-07-14 15:42:27,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2021-07-14 15:42:27,806 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:27,812 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:27,812 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 15:42:27,812 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:42:27,812 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:49, output treesize:16 [2021-07-14 15:42:27,862 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:27,862 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504305781] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:27,862 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:42:27,862 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-14 15:42:27,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080185288] [2021-07-14 15:42:27,863 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-14 15:42:27,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:42:27,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-14 15:42:27,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=793, Unknown=0, NotChecked=0, Total=870 [2021-07-14 15:42:27,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:27,864 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:42:27,864 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 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) [2021-07-14 15:42:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:42:27,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:28,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:28,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:28,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:28,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:28,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:28,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:28,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:28,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:28,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:28,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:28,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:28,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:28,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:28,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:28,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:42:28,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:28,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:28,748 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:28,749 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:42:28,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:42:28,749 INFO L82 PathProgramCache]: Analyzing trace with hash 861219954, now seen corresponding path program 12 times [2021-07-14 15:42:28,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:42:28,749 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133834729] [2021-07-14 15:42:28,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:42:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:28,962 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:28,962 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:42:28,963 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133834729] [2021-07-14 15:42:28,963 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133834729] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:28,963 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590908903] [2021-07-14 15:42:28,963 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:29,010 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-14 15:42:29,010 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:42:29,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 15:42:29,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:42:29,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:29,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:42:29,192 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:29,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 15:42:29,194 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:29,205 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:29,206 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:42:29,206 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 15:42:29,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:29,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 15:42:29,333 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:29,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:42:29,335 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:29,348 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 15:42:29,348 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 15:42:29,348 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 15:42:29,348 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 15:42:29,375 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:29,375 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590908903] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:29,375 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:42:29,375 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 31 [2021-07-14 15:42:29,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141101142] [2021-07-14 15:42:29,376 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 15:42:29,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:42:29,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 15:42:29,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2021-07-14 15:42:29,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:29,376 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:42:29,377 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 31 states have internal predecessors, (46), 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) [2021-07-14 15:42:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:42:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:30,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:30,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:30,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:30,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:30,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:30,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:30,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:30,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:30,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:30,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:30,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:30,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:30,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:30,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:30,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:42:30,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:30,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:30,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:30,222 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable124 [2021-07-14 15:42:30,222 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:42:30,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:42:30,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1585566532, now seen corresponding path program 13 times [2021-07-14 15:42:30,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:42:30,223 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435399506] [2021-07-14 15:42:30,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:42:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:31,040 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:31,040 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:42:31,040 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435399506] [2021-07-14 15:42:31,040 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435399506] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:31,040 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970850250] [2021-07-14 15:42:31,040 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:31,079 WARN L261 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 84 conjunts are in the unsatisfiable core [2021-07-14 15:42:31,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:42:31,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 49 [2021-07-14 15:42:31,623 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:31,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 49 [2021-07-14 15:42:31,630 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:31,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-07-14 15:42:31,639 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:31,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 57 [2021-07-14 15:42:31,642 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:31,677 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:31,678 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 15:42:31,678 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:291, output treesize:169 [2021-07-14 15:42:32,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:32,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2021-07-14 15:42:32,345 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:32,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:32,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-07-14 15:42:32,364 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:32,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:32,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 46 [2021-07-14 15:42:32,377 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:32,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:32,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-07-14 15:42:32,386 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:32,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:32,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2021-07-14 15:42:32,396 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:32,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:32,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 34 [2021-07-14 15:42:32,405 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:32,409 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:32,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2021-07-14 15:42:32,415 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:32,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-07-14 15:42:32,420 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:32,513 INFO L628 ElimStorePlain]: treesize reduction 107, result has 58.0 percent of original size [2021-07-14 15:42:32,516 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:32,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-07-14 15:42:32,518 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:32,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:32,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-07-14 15:42:32,521 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:32,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:32,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-07-14 15:42:32,525 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:32,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 15:42:32,528 INFO L550 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 15:42:32,564 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:32,565 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-07-14 15:42:32,565 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 2 variables, input treesize:489, output treesize:100 [2021-07-14 15:42:32,735 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:32,735 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970850250] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:32,735 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:42:32,736 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18] total 36 [2021-07-14 15:42:32,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571848741] [2021-07-14 15:42:32,736 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-07-14 15:42:32,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:42:32,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-07-14 15:42:32,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=1178, Unknown=0, NotChecked=0, Total=1260 [2021-07-14 15:42:32,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:32,737 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:42:32,737 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 36 states have internal predecessors, (48), 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) [2021-07-14 15:42:32,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:32,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:32,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:32,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:32,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:32,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:32,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:32,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:32,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:32,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:32,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:32,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:32,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:32,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:32,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:42:32,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:32,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:32,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:32,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:33,937 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 66 [2021-07-14 15:42:34,231 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 71 [2021-07-14 15:42:34,426 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 76 [2021-07-14 15:42:34,666 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-14 15:42:34,971 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 116 [2021-07-14 15:42:35,205 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 85 [2021-07-14 15:42:35,407 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2021-07-14 15:42:35,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:35,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:35,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:35,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:35,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:35,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:35,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:35,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:35,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:35,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:35,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:35,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:35,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:35,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:35,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:42:35,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:35,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:35,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:35,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:42:35,665 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable127 [2021-07-14 15:42:35,665 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:42:35,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:42:35,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1413081916, now seen corresponding path program 14 times [2021-07-14 15:42:35,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:42:35,666 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046055935] [2021-07-14 15:42:35,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:42:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:35,793 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-14 15:42:35,794 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:42:35,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046055935] [2021-07-14 15:42:35,794 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046055935] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:35,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791268696] [2021-07-14 15:42:35,794 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:35,830 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 15:42:35,830 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:42:35,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-14 15:42:35,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:42:36,027 INFO L354 Elim1Store]: treesize reduction 36, result has 26.5 percent of original size [2021-07-14 15:42:36,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 41 [2021-07-14 15:42:36,030 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:36,037 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-07-14 15:42:36,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 21 [2021-07-14 15:42:36,039 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:36,067 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:36,067 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 15:42:36,083 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:42:36,083 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:113, output treesize:47 [2021-07-14 15:42:36,267 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 16 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-14 15:42:36,268 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791268696] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:36,268 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:42:36,268 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 26 [2021-07-14 15:42:36,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531465535] [2021-07-14 15:42:36,268 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 15:42:36,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:42:36,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 15:42:36,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=520, Unknown=0, NotChecked=0, Total=650 [2021-07-14 15:42:36,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:36,269 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:42:36,269 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 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) [2021-07-14 15:42:36,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:36,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:36,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:36,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:36,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:36,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:36,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:36,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:36,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:36,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:36,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:36,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:36,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:36,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:36,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:42:36,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:36,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:36,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:36,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:42:36,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:39,486 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 91 [2021-07-14 15:42:39,693 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 89 [2021-07-14 15:42:39,915 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 89 [2021-07-14 15:42:40,100 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2021-07-14 15:42:40,424 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 87 [2021-07-14 15:42:40,677 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 90 [2021-07-14 15:42:40,930 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 70 [2021-07-14 15:42:41,178 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-07-14 15:42:41,452 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 70 [2021-07-14 15:42:41,695 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-07-14 15:42:41,936 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 70 [2021-07-14 15:42:42,264 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 96 [2021-07-14 15:42:42,684 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 135 [2021-07-14 15:42:43,009 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-07-14 15:42:43,174 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2021-07-14 15:42:43,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:43,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:43,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:43,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:43,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:43,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:42:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:42:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:42:43,523 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable143 [2021-07-14 15:42:43,523 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:42:43,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:42:43,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1199675696, now seen corresponding path program 15 times [2021-07-14 15:42:43,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:42:43,524 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909325772] [2021-07-14 15:42:43,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:42:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:43,672 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:43,673 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:42:43,673 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909325772] [2021-07-14 15:42:43,673 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909325772] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:43,673 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055621166] [2021-07-14 15:42:43,673 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:43,712 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 15:42:43,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:42:43,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 15:42:43,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:42:43,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:42:43,779 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:43,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 15:42:43,781 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:43,793 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:43,793 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:42:43,793 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-07-14 15:42:43,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 15:42:43,894 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:43,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:43,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:42:43,897 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:43,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-14 15:42:43,900 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:43,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 15:42:43,903 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:43,917 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-14 15:42:43,917 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 15:42:43,918 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:42:43,918 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 15:42:43,942 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:43,942 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055621166] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:43,942 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:42:43,942 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 22 [2021-07-14 15:42:43,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806339409] [2021-07-14 15:42:43,943 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 15:42:43,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:42:43,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 15:42:43,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-14 15:42:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:43,943 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:42:43,943 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 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) [2021-07-14 15:42:43,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:43,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:43,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:43,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:43,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:43,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:43,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:43,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:43,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:43,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:43,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:43,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:43,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:43,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:43,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:42:43,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:43,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:43,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:43,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:42:43,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:42:43,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:44,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:42:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:42:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:42:44,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:42:45,170 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable158 [2021-07-14 15:42:45,170 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:42:45,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:42:45,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1825092818, now seen corresponding path program 16 times [2021-07-14 15:42:45,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:42:45,171 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349434280] [2021-07-14 15:42:45,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:42:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:45,548 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:45,548 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:42:45,548 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349434280] [2021-07-14 15:42:45,548 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349434280] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:45,548 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144258095] [2021-07-14 15:42:45,548 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:45,586 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 15:42:45,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:42:45,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 61 conjunts are in the unsatisfiable core [2021-07-14 15:42:45,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:42:45,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:42:45,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:42:45,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:42:45,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:42:45,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:42:45,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:45,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2021-07-14 15:42:45,956 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:45,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:42:45,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:42:45,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:42:45,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:42:45,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:42:45,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 38 [2021-07-14 15:42:45,963 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:45,980 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:45,980 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:42:45,981 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:125, output treesize:53 [2021-07-14 15:42:46,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2021-07-14 15:42:46,372 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:46,378 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:46,379 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 15:42:46,379 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:42:46,379 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:56, output treesize:16 [2021-07-14 15:42:46,423 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:46,424 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144258095] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:46,424 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:42:46,424 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-07-14 15:42:46,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109892887] [2021-07-14 15:42:46,424 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-07-14 15:42:46,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:42:46,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-07-14 15:42:46,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1166, Unknown=0, NotChecked=0, Total=1260 [2021-07-14 15:42:46,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:46,425 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:42:46,425 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 36 states have internal predecessors, (50), 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) [2021-07-14 15:42:46,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:46,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:46,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:46,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:46,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:46,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:46,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:46,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:46,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:46,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:46,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:46,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:46,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:46,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:46,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:42:46,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:46,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:46,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:46,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:42:46,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:42:46,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:42:46,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:47,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:47,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:47,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:47,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:47,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:47,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:47,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:47,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:47,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:47,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:47,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:47,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:47,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:47,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:47,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:42:47,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:47,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:42:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:42:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:42:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 15:42:47,598 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:47,598 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:42:47,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:42:47,599 INFO L82 PathProgramCache]: Analyzing trace with hash 864109954, now seen corresponding path program 17 times [2021-07-14 15:42:47,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:42:47,599 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301242994] [2021-07-14 15:42:47,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:42:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:47,886 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:47,887 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:42:47,887 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301242994] [2021-07-14 15:42:47,887 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301242994] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:47,887 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107606542] [2021-07-14 15:42:47,887 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:47,927 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 15:42:47,927 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:42:47,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 15:42:47,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:42:48,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:48,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 15:42:48,162 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:48,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:42:48,164 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:48,176 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:48,177 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:42:48,177 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 15:42:48,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:42:48,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 15:42:48,346 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:48,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:42:48,348 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:48,361 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 15:42:48,361 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 15:42:48,362 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 15:42:48,362 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 15:42:48,393 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:48,393 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107606542] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:48,393 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:42:48,393 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 37 [2021-07-14 15:42:48,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802101889] [2021-07-14 15:42:48,393 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 15:42:48,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:42:48,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 15:42:48,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1225, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 15:42:48,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:48,394 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:42:48,395 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 37 states have internal predecessors, (52), 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) [2021-07-14 15:42:48,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:48,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:48,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:48,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:48,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:48,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:48,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:48,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:48,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:48,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:48,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:48,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:48,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:48,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:48,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:42:48,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:48,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:48,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:48,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:42:48,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:42:48,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:42:48,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 15:42:48,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:42:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:42:49,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:42:49,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:42:49,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 15:42:49,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:42:49,649 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable181 [2021-07-14 15:42:49,650 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:42:49,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:42:49,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1675156532, now seen corresponding path program 18 times [2021-07-14 15:42:49,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:42:49,650 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417816712] [2021-07-14 15:42:49,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:42:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:42:50,549 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:50,549 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:42:50,549 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417816712] [2021-07-14 15:42:50,549 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417816712] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:50,549 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790629660] [2021-07-14 15:42:50,550 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:42:50,593 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 15:42:50,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:42:50,595 WARN L261 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 102 conjunts are in the unsatisfiable core [2021-07-14 15:42:50,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:42:51,193 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2021-07-14 15:42:51,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 61 [2021-07-14 15:42:51,541 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:51,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-07-14 15:42:51,551 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:51,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 51 [2021-07-14 15:42:51,561 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:51,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-07-14 15:42:51,573 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:51,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-07-14 15:42:51,588 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:51,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 51 [2021-07-14 15:42:51,593 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:51,657 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:42:51,659 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 15:42:51,659 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:499, output treesize:287 [2021-07-14 15:42:52,212 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 55 [2021-07-14 15:42:52,470 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-14 15:42:52,724 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2021-07-14 15:42:52,939 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 58 [2021-07-14 15:42:52,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2021-07-14 15:42:52,988 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:52,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 43 [2021-07-14 15:42:52,998 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:53,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 41 [2021-07-14 15:42:53,007 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:53,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 41 [2021-07-14 15:42:53,017 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:53,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 41 [2021-07-14 15:42:53,030 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:53,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 45 [2021-07-14 15:42:53,037 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 15:42:53,068 INFO L628 ElimStorePlain]: treesize reduction 42, result has 43.2 percent of original size [2021-07-14 15:42:53,068 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 15:42:53,068 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 15:42:53,069 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:358, output treesize:32 [2021-07-14 15:42:53,153 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:42:53,153 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790629660] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:42:53,153 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:42:53,153 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21] total 41 [2021-07-14 15:42:53,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248622061] [2021-07-14 15:42:53,154 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-14 15:42:53,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:42:53,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-14 15:42:53,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1547, Unknown=0, NotChecked=0, Total=1640 [2021-07-14 15:42:53,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:53,155 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:42:53,156 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 41 states have internal predecessors, (54), 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) [2021-07-14 15:42:53,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:53,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:53,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:53,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:53,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:53,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:53,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:53,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:53,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:53,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:53,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:53,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:53,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:53,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:53,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:42:53,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:53,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:53,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:53,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:42:53,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:42:53,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:42:53,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 15:42:53,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:42:53,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:42:54,697 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 79 [2021-07-14 15:42:54,889 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-14 15:42:55,081 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 81 [2021-07-14 15:42:55,358 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 106 [2021-07-14 15:42:55,549 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 84 [2021-07-14 15:42:55,809 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 105 [2021-07-14 15:42:56,017 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 89 [2021-07-14 15:42:56,294 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 111 [2021-07-14 15:42:56,625 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 107 [2021-07-14 15:42:56,914 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 115 [2021-07-14 15:42:57,131 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 53 [2021-07-14 15:42:57,545 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 120 [2021-07-14 15:42:58,024 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 124 [2021-07-14 15:42:58,481 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 136 [2021-07-14 15:42:58,919 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 127 [2021-07-14 15:42:59,356 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 127 [2021-07-14 15:42:59,750 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 117 [2021-07-14 15:42:59,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:42:59,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:42:59,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:42:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:42:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:42:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:42:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:42:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:42:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:42:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:42:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:42:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:42:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:42:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 15:42:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:42:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 15:43:00,011 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:43:00,011 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:43:00,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:43:00,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1047796674, now seen corresponding path program 19 times [2021-07-14 15:43:00,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:43:00,014 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802757952] [2021-07-14 15:43:00,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:43:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:43:00,167 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-07-14 15:43:00,167 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:43:00,167 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802757952] [2021-07-14 15:43:00,167 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802757952] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:43:00,167 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643257834] [2021-07-14 15:43:00,167 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:43:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:43:00,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 15:43:00,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:43:00,464 INFO L354 Elim1Store]: treesize reduction 64, result has 21.0 percent of original size [2021-07-14 15:43:00,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 46 treesize of output 50 [2021-07-14 15:43:00,466 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:00,476 INFO L354 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2021-07-14 15:43:00,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 36 treesize of output 26 [2021-07-14 15:43:00,478 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:00,504 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:43:00,504 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 15:43:00,525 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:43:00,525 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:137, output treesize:47 [2021-07-14 15:43:00,687 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-07-14 15:43:00,688 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643257834] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:43:00,688 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:43:00,688 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 28 [2021-07-14 15:43:00,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002011396] [2021-07-14 15:43:00,688 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 15:43:00,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:43:00,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 15:43:00,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2021-07-14 15:43:00,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:43:00,689 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:43:00,689 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 28 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) [2021-07-14 15:43:00,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:43:00,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:43:00,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:00,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:00,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:00,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:43:00,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:43:00,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:00,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:00,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:43:00,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:43:00,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:00,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:00,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:00,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:43:00,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:00,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:00,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:00,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:43:00,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:43:00,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:00,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 15:43:00,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:00,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 15:43:00,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:43:05,183 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2021-07-14 15:43:05,471 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 116 [2021-07-14 15:43:05,698 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2021-07-14 15:43:05,971 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 113 [2021-07-14 15:43:06,200 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2021-07-14 15:43:06,487 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 116 [2021-07-14 15:43:06,867 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 100 [2021-07-14 15:43:06,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:43:06,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:43:06,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:06,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:06,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:06,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:43:06,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:43:06,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:06,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:06,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:43:06,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:43:06,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:06,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:06,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:06,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:43:06,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:06,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:06,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:06,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:43:06,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:43:06,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:06,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:06,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:06,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 15:43:06,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:43:07,170 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable212 [2021-07-14 15:43:07,170 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:43:07,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:43:07,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1400854244, now seen corresponding path program 20 times [2021-07-14 15:43:07,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:43:07,170 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730734302] [2021-07-14 15:43:07,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:43:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:43:07,402 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:43:07,402 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:43:07,402 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730734302] [2021-07-14 15:43:07,402 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730734302] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:43:07,402 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61741924] [2021-07-14 15:43:07,402 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:43:07,447 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 15:43:07,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:43:07,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 15:43:07,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:43:07,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 15:43:07,535 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:07,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:43:07,537 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:07,549 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:43:07,550 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:43:07,550 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-07-14 15:43:07,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:43:07,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:43:07,673 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:07,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-14 15:43:07,675 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:07,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:43:07,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 15:43:07,678 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:07,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 15:43:07,681 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:07,695 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-14 15:43:07,695 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 15:43:07,696 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:43:07,696 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 15:43:07,722 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:43:07,722 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61741924] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:43:07,722 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:43:07,722 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 26 [2021-07-14 15:43:07,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752096321] [2021-07-14 15:43:07,723 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 15:43:07,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:43:07,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 15:43:07,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-07-14 15:43:07,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:43:07,723 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:43:07,723 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 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) [2021-07-14 15:43:07,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:43:07,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:43:07,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:07,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:07,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:07,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:43:07,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:43:07,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:07,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:07,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:43:07,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:43:07,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:07,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:07,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:07,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:43:07,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:07,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:07,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:07,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:43:07,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:43:07,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:07,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:07,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:07,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 15:43:07,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:43:07,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:43:08,927 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 108 [2021-07-14 15:43:09,231 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 111 [2021-07-14 15:43:09,477 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 95 [2021-07-14 15:43:09,856 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 108 [2021-07-14 15:43:10,098 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 92 [2021-07-14 15:43:10,454 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 90 [2021-07-14 15:43:11,309 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2021-07-14 15:43:11,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:43:11,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:43:11,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:11,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:11,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:11,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:43:11,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:43:11,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:11,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:11,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:43:11,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:43:11,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:11,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:11,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:11,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:43:11,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:11,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:11,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:11,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:43:11,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:43:11,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:11,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:11,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:11,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:43:11,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:43:11,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:43:11,532 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable229,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:43:11,533 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:43:11,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:43:11,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1148152690, now seen corresponding path program 21 times [2021-07-14 15:43:11,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:43:11,533 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431679498] [2021-07-14 15:43:11,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:43:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:43:11,911 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:43:11,911 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:43:11,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431679498] [2021-07-14 15:43:11,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431679498] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:43:11,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427059106] [2021-07-14 15:43:11,911 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:43:11,961 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 15:43:11,961 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:43:11,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-14 15:43:11,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:43:12,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:43:12,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:43:12,277 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:12,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 15:43:12,280 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:12,291 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:43:12,292 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:43:12,292 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 15:43:12,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:43:12,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:43:12,510 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:12,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 15:43:12,512 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:12,525 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 15:43:12,525 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 15:43:12,526 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 15:43:12,526 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 15:43:12,560 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:43:12,560 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427059106] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:43:12,560 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:43:12,561 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 43 [2021-07-14 15:43:12,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585072753] [2021-07-14 15:43:12,561 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-14 15:43:12,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:43:12,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-14 15:43:12,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=1679, Unknown=0, NotChecked=0, Total=1806 [2021-07-14 15:43:12,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:43:12,562 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:43:12,562 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 43 states have internal predecessors, (58), 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) [2021-07-14 15:43:12,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:43:12,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:43:12,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:12,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:12,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:12,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:43:12,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:43:12,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:12,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:12,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:43:12,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:43:12,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:12,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:12,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:12,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:43:12,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:12,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:12,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:12,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:43:12,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:43:12,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:12,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:12,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:12,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:43:12,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:43:12,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:43:12,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:43:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:43:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:43:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:43:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:43:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:43:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:43:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:43:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:43:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:43:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:43:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:43:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:43:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:43:14,024 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable236 [2021-07-14 15:43:14,024 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:43:14,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:43:14,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1890546756, now seen corresponding path program 22 times [2021-07-14 15:43:14,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:43:14,025 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050867405] [2021-07-14 15:43:14,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:43:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:43:15,123 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:43:15,124 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:43:15,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050867405] [2021-07-14 15:43:15,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050867405] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:43:15,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304982339] [2021-07-14 15:43:15,124 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:43:15,168 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 15:43:15,168 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:43:15,170 WARN L261 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 117 conjunts are in the unsatisfiable core [2021-07-14 15:43:15,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:43:16,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 69 [2021-07-14 15:43:16,148 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:16,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 71 [2021-07-14 15:43:16,163 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:16,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 61 [2021-07-14 15:43:16,178 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:16,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 69 [2021-07-14 15:43:16,182 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:16,223 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:43:16,224 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 15:43:16,224 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:380, output treesize:210 [2021-07-14 15:43:16,685 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 52 [2021-07-14 15:43:16,915 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2021-07-14 15:43:17,138 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 54 [2021-07-14 15:43:17,361 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 55 [2021-07-14 15:43:17,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 46 [2021-07-14 15:43:17,569 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:17,633 INFO L628 ElimStorePlain]: treesize reduction 130, result has 51.9 percent of original size [2021-07-14 15:43:17,633 INFO L518 ElimStorePlain]: Eliminatee v_prenex_9 vanished before elimination [2021-07-14 15:43:17,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 48 [2021-07-14 15:43:17,638 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:17,658 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:43:17,658 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 15:43:17,658 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 15:43:17,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 46 [2021-07-14 15:43:17,662 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:17,673 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:43:17,674 INFO L518 ElimStorePlain]: Eliminatee v_prenex_13 vanished before elimination [2021-07-14 15:43:17,674 INFO L518 ElimStorePlain]: Eliminatee v_prenex_12 vanished before elimination [2021-07-14 15:43:17,674 INFO L518 ElimStorePlain]: Eliminatee v_prenex_11 vanished before elimination [2021-07-14 15:43:17,674 INFO L518 ElimStorePlain]: Eliminatee v_prenex_15 vanished before elimination [2021-07-14 15:43:17,674 INFO L550 ElimStorePlain]: Start of recursive call 1: 10 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 15:43:17,674 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 10 variables, input treesize:328, output treesize:32 [2021-07-14 15:43:17,753 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:43:17,753 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304982339] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:43:17,753 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:43:17,753 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 23] total 47 [2021-07-14 15:43:17,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970580170] [2021-07-14 15:43:17,754 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-14 15:43:17,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:43:17,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-14 15:43:17,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=2062, Unknown=0, NotChecked=0, Total=2162 [2021-07-14 15:43:17,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:43:17,755 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:43:17,755 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 47 states have internal predecessors, (60), 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) [2021-07-14 15:43:17,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:43:17,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:43:17,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:17,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:17,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:17,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:43:17,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:43:17,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:17,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:17,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:43:17,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:43:17,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:17,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:17,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:17,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:43:17,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:17,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:17,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:17,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:43:17,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:43:17,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:17,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:17,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:17,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:43:17,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:43:17,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:43:17,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:43:17,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:43:19,892 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 72 [2021-07-14 15:43:20,251 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 74 [2021-07-14 15:43:20,481 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 79 [2021-07-14 15:43:20,720 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 84 [2021-07-14 15:43:20,973 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 93 [2021-07-14 15:43:21,265 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 85 [2021-07-14 15:43:21,540 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 39 [2021-07-14 15:43:21,940 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 108 [2021-07-14 15:43:22,505 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 99 [2021-07-14 15:43:22,925 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 113 [2021-07-14 15:43:23,442 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 109 [2021-07-14 15:43:23,894 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 101 [2021-07-14 15:43:24,379 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 107 [2021-07-14 15:43:24,744 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 98 [2021-07-14 15:43:25,115 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 67 [2021-07-14 15:43:25,370 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-07-14 15:43:25,581 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-07-14 15:43:25,753 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-07-14 15:43:25,930 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2021-07-14 15:43:26,076 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2021-07-14 15:43:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:43:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:43:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:43:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:43:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:43:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:43:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:43:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:43:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:43:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:26,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:26,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:43:26,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:43:26,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:43:26,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:43:26,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:43:26,336 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable239 [2021-07-14 15:43:26,337 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:43:26,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:43:26,337 INFO L82 PathProgramCache]: Analyzing trace with hash 607356496, now seen corresponding path program 23 times [2021-07-14 15:43:26,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:43:26,337 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119522359] [2021-07-14 15:43:26,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:43:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:43:26,587 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:43:26,587 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:43:26,587 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119522359] [2021-07-14 15:43:26,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119522359] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:43:26,587 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149735990] [2021-07-14 15:43:26,587 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:43:26,632 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 15:43:26,632 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:43:26,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-14 15:43:26,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:43:27,409 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:43:27,434 INFO L354 Elim1Store]: treesize reduction 20, result has 51.2 percent of original size [2021-07-14 15:43:27,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 64 [2021-07-14 15:43:27,436 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:27,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:43:27,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 32 [2021-07-14 15:43:27,447 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:27,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:43:27,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-07-14 15:43:27,457 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:27,481 INFO L354 Elim1Store]: treesize reduction 20, result has 51.2 percent of original size [2021-07-14 15:43:27,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 65 [2021-07-14 15:43:27,484 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:27,525 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:43:27,527 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 15:43:27,527 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:237, output treesize:71 [2021-07-14 15:43:27,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:43:27,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 15:43:27,780 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:27,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 15:43:27,783 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:27,785 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 15:43:27,785 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:27,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:43:27,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:43:27,788 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:27,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 15:43:27,790 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:27,792 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 15:43:27,792 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:27,811 INFO L628 ElimStorePlain]: treesize reduction 18, result has 53.8 percent of original size [2021-07-14 15:43:27,811 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 15:43:27,811 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 15:43:27,811 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:109, output treesize:21 [2021-07-14 15:43:27,881 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:43:27,881 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149735990] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:43:27,881 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:43:27,881 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23] total 43 [2021-07-14 15:43:27,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070784655] [2021-07-14 15:43:27,881 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-14 15:43:27,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:43:27,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-14 15:43:27,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1700, Unknown=0, NotChecked=0, Total=1806 [2021-07-14 15:43:27,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:43:27,882 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:43:27,882 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 43 states have internal predecessors, (58), 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) [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:43:27,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:43:27,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:43:30,152 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-07-14 15:43:30,319 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2021-07-14 15:43:30,503 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2021-07-14 15:43:30,671 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2021-07-14 15:43:30,837 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2021-07-14 15:43:31,012 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2021-07-14 15:43:32,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:43:32,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:43:32,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:32,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:32,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:32,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:43:32,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:43:32,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:32,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:32,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:43:32,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:43:32,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:32,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:32,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:32,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:43:32,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:32,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:32,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:32,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:43:32,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:43:32,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:32,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:32,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:32,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:43:32,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:43:32,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:43:32,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:43:32,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:43:32,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:43:32,288 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable258 [2021-07-14 15:43:32,288 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:43:32,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:43:32,288 INFO L82 PathProgramCache]: Analyzing trace with hash -465669294, now seen corresponding path program 24 times [2021-07-14 15:43:32,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:43:32,288 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991522867] [2021-07-14 15:43:32,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:43:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:43:32,942 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:43:32,943 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:43:32,943 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991522867] [2021-07-14 15:43:32,943 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991522867] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:43:32,943 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198562198] [2021-07-14 15:43:32,943 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:43:32,993 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 15:43:32,994 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:43:32,995 WARN L261 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 105 conjunts are in the unsatisfiable core [2021-07-14 15:43:32,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:43:33,797 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2021-07-14 15:43:34,038 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-07-14 15:43:34,287 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2021-07-14 15:43:34,587 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2021-07-14 15:43:34,899 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2021-07-14 15:43:34,928 INFO L446 ElimStorePlain]: Different costs {0=[array_0], 6=[v_prenex_20]} [2021-07-14 15:43:34,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 61 [2021-07-14 15:43:34,944 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:34,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 69 [2021-07-14 15:43:34,948 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:35,076 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-07-14 15:43:35,077 INFO L628 ElimStorePlain]: treesize reduction 107, result has 66.4 percent of original size [2021-07-14 15:43:35,103 INFO L354 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2021-07-14 15:43:35,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 102 treesize of output 98 [2021-07-14 15:43:35,105 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:35,147 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:43:35,149 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 15:43:35,149 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:406, output treesize:156 [2021-07-14 15:43:36,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:43:36,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 44 [2021-07-14 15:43:36,184 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:36,187 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:43:36,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-07-14 15:43:36,197 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:36,202 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:43:36,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2021-07-14 15:43:36,212 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:36,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:43:36,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-07-14 15:43:36,226 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:36,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:43:36,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 46 [2021-07-14 15:43:36,240 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:36,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 44 [2021-07-14 15:43:36,245 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:36,296 INFO L628 ElimStorePlain]: treesize reduction 108, result has 36.8 percent of original size [2021-07-14 15:43:36,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 15:43:36,300 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 15:43:36,320 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:43:36,321 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 15:43:36,321 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 2 variables, input treesize:425, output treesize:55 [2021-07-14 15:43:36,462 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:43:36,463 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198562198] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:43:36,463 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:43:36,463 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 48 [2021-07-14 15:43:36,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299561607] [2021-07-14 15:43:36,463 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-07-14 15:43:36,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:43:36,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-07-14 15:43:36,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=2144, Unknown=0, NotChecked=0, Total=2256 [2021-07-14 15:43:36,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:43:36,464 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:43:36,464 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 48 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) [2021-07-14 15:43:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:43:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:43:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:43:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:43:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:36,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:43:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:43:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:43:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:43:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:43:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:43:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:43:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:43:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:43:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:43:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:43:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:43:38,467 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2021-07-14 15:43:38,730 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2021-07-14 15:43:39,008 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-07-14 15:43:39,312 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2021-07-14 15:43:39,653 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2021-07-14 15:43:40,024 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2021-07-14 15:43:40,350 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2021-07-14 15:43:40,698 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 90 [2021-07-14 15:43:40,949 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2021-07-14 15:43:41,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:43:41,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:43:41,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:41,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:41,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:41,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:43:41,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:43:41,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:41,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:41,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:43:41,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:43:41,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:41,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:41,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:41,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:43:41,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:41,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:41,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:41,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:43:41,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:43:41,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:41,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:41,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:41,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:43:41,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:43:41,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:43:41,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:43:41,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:43:41,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:43:41,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:41,226 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable273,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:43:41,226 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:43:41,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:43:41,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1308481662, now seen corresponding path program 25 times [2021-07-14 15:43:41,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:43:41,227 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13098947] [2021-07-14 15:43:41,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:43:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:43:41,554 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:43:41,554 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:43:41,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13098947] [2021-07-14 15:43:41,554 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13098947] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:43:41,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083579252] [2021-07-14 15:43:41,554 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:43:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:43:41,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 15:43:41,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:43:41,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 15:43:41,710 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:41,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:43:41,713 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:41,726 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:43:41,727 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:43:41,727 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 15:43:41,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:43:41,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 15:43:41,925 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:41,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:43:41,927 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:41,940 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 15:43:41,940 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 15:43:41,940 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 15:43:41,940 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 15:43:41,969 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:43:41,969 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083579252] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:43:41,969 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:43:41,969 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 34 [2021-07-14 15:43:41,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067252523] [2021-07-14 15:43:41,969 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 15:43:41,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:43:41,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 15:43:41,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1036, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 15:43:41,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:43:41,970 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:43:41,970 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 34 states have internal predecessors, (46), 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) [2021-07-14 15:43:41,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:43:41,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:43:41,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:41,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:41,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:41,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:43:41,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:43:41,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:41,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:41,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:43:41,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:43:41,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:41,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:41,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:41,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:43:41,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:41,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:41,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:41,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:43:41,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:43:41,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:41,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:41,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:41,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:43:41,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:43:41,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:43:41,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:43:41,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:43:41,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:43:41,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:41,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:43:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:43:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:43:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:43:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:43:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:43:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:43:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:43:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:43:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:43:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:43,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:43,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:43:43,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:43:43,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:43:43,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:43:43,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:43:43,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:43:43,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:43,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:43:43,316 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable310 [2021-07-14 15:43:43,316 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:43:43,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:43:43,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1250674124, now seen corresponding path program 26 times [2021-07-14 15:43:43,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:43:43,316 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565711410] [2021-07-14 15:43:43,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:43:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:43:44,478 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 10 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:43:44,479 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:43:44,479 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565711410] [2021-07-14 15:43:44,479 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565711410] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:43:44,479 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098358097] [2021-07-14 15:43:44,479 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:43:44,531 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 15:43:44,531 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:43:44,533 WARN L261 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 138 conjunts are in the unsatisfiable core [2021-07-14 15:43:44,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:43:45,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 79 [2021-07-14 15:43:45,804 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:45,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 79 [2021-07-14 15:43:45,821 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:45,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 87 [2021-07-14 15:43:45,838 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:45,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 71 [2021-07-14 15:43:45,845 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:45,898 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:43:45,900 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 15:43:45,900 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:459, output treesize:257 [2021-07-14 15:43:46,380 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2021-07-14 15:43:46,621 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2021-07-14 15:43:46,843 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2021-07-14 15:43:47,067 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2021-07-14 15:43:47,297 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2021-07-14 15:43:47,535 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2021-07-14 15:43:47,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:43:47,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 51 [2021-07-14 15:43:47,583 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:47,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:43:47,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 49 [2021-07-14 15:43:47,602 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:47,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:43:47,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 49 [2021-07-14 15:43:47,639 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:47,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:43:47,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 61 [2021-07-14 15:43:47,661 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:47,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:43:47,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 43 [2021-07-14 15:43:47,681 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:47,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:43:47,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-07-14 15:43:47,699 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:47,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:43:47,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 53 [2021-07-14 15:43:47,718 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:47,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 57 [2021-07-14 15:43:47,724 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:47,817 INFO L628 ElimStorePlain]: treesize reduction 113, result has 55.7 percent of original size [2021-07-14 15:43:47,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:43:47,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-07-14 15:43:47,822 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:47,824 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:43:47,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-07-14 15:43:47,826 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 15:43:47,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:43:47,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 6 [2021-07-14 15:43:47,831 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 15:43:47,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 15:43:47,834 INFO L550 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 15:43:47,870 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:43:47,872 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-07-14 15:43:47,872 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 2 variables, input treesize:665, output treesize:100 [2021-07-14 15:43:48,123 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:43:48,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098358097] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:43:48,124 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:43:48,124 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27] total 53 [2021-07-14 15:43:48,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434535448] [2021-07-14 15:43:48,124 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-14 15:43:48,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:43:48,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-14 15:43:48,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=2625, Unknown=0, NotChecked=0, Total=2756 [2021-07-14 15:43:48,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:43:48,125 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:43:48,125 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.2452830188679245) internal successors, (66), 53 states have internal predecessors, (66), 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) [2021-07-14 15:43:48,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:43:48,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:43:48,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:48,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:48,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:48,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:43:48,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:43:48,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:48,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:43:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:43:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:43:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:43:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:43:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:43:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:43:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:43:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:43:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:43:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:43:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:43:48,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:43:50,885 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 81 [2021-07-14 15:43:51,258 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 82 [2021-07-14 15:43:51,532 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 89 [2021-07-14 15:43:51,799 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 91 [2021-07-14 15:43:52,083 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 93 [2021-07-14 15:43:52,387 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 92 [2021-07-14 15:43:52,796 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 100 [2021-07-14 15:43:53,442 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 103 [2021-07-14 15:43:54,160 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 107 [2021-07-14 15:43:54,595 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 105 [2021-07-14 15:43:55,036 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 105 [2021-07-14 15:43:55,467 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 105 [2021-07-14 15:43:55,917 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 105 [2021-07-14 15:43:56,379 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 108 [2021-07-14 15:43:56,968 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 118 [2021-07-14 15:43:57,390 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 76 [2021-07-14 15:43:57,741 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 95 [2021-07-14 15:43:58,097 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 97 [2021-07-14 15:43:58,443 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 97 [2021-07-14 15:43:58,764 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 101 [2021-07-14 15:43:59,086 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 97 [2021-07-14 15:43:59,399 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 97 [2021-07-14 15:43:59,812 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 108 [2021-07-14 15:43:59,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:43:59,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:43:59,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:59,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:59,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:59,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:43:59,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:43:59,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:43:59,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:59,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:43:59,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:43:59,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:59,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:59,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:43:59,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:43:59,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:59,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:59,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:43:59,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:43:59,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:43:59,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:59,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:59,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:43:59,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:43:59,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:43:59,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:43:59,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:43:59,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:43:59,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:43:59,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 15:43:59,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:43:59,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:44:00,109 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable313 [2021-07-14 15:44:00,109 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:44:00,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:44:00,110 INFO L82 PathProgramCache]: Analyzing trace with hash -893294492, now seen corresponding path program 27 times [2021-07-14 15:44:00,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:44:00,110 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437230193] [2021-07-14 15:44:00,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:44:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:44:00,427 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:44:00,427 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:44:00,427 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437230193] [2021-07-14 15:44:00,427 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437230193] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:44:00,427 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851102009] [2021-07-14 15:44:00,427 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:44:00,479 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 15:44:00,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:44:00,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 15:44:00,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:44:00,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:00,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 15:44:00,577 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:00,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:44:00,580 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:00,591 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:44:00,591 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:44:00,591 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 15:44:00,786 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:00,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 15:44:00,787 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:00,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 15:44:00,790 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:00,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:00,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:44:00,793 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:00,794 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 15:44:00,794 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:00,808 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-14 15:44:00,808 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 15:44:00,809 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:44:00,809 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 15:44:00,839 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:44:00,839 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851102009] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:44:00,839 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:44:00,839 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 34 [2021-07-14 15:44:00,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609618620] [2021-07-14 15:44:00,840 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 15:44:00,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:44:00,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 15:44:00,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1036, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 15:44:00,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:44:00,841 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:44:00,841 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 34 states have internal predecessors, (46), 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) [2021-07-14 15:44:00,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:44:00,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:44:00,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:00,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:00,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:00,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:44:00,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:44:00,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:00,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:00,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:44:00,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:44:00,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:00,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:00,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:00,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:44:00,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:00,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:00,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:00,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:44:00,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:44:00,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:00,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:00,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:00,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:44:00,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:44:00,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:44:00,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:44:00,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:44:00,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:44:00,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 15:44:00,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:44:00,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:44:00,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:44:03,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:44:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:44:03,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 15:44:03,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:44:03,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:44:03,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:44:03,604 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable335,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:44:03,605 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:44:03,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:44:03,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1662466150, now seen corresponding path program 28 times [2021-07-14 15:44:03,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:44:03,605 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243167033] [2021-07-14 15:44:03,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:44:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:44:04,387 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:44:04,387 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:44:04,387 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243167033] [2021-07-14 15:44:04,387 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243167033] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:44:04,388 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006066313] [2021-07-14 15:44:04,388 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:44:04,437 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 15:44:04,437 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:44:04,439 WARN L261 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 131 conjunts are in the unsatisfiable core [2021-07-14 15:44:04,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:44:05,483 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-07-14 15:44:05,736 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-07-14 15:44:06,044 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-07-14 15:44:06,360 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-07-14 15:44:06,668 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-07-14 15:44:07,021 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-07-14 15:44:07,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,112 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,144 INFO L354 Elim1Store]: treesize reduction 28, result has 59.4 percent of original size [2021-07-14 15:44:07,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 21 disjoint index pairs (out of 105 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 150 treesize of output 144 [2021-07-14 15:44:07,147 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:07,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,161 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,165 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,168 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,194 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 91 [2021-07-14 15:44:07,200 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:07,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,208 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,214 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,218 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,220 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,220 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,224 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,227 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,256 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,287 INFO L354 Elim1Store]: treesize reduction 28, result has 59.4 percent of original size [2021-07-14 15:44:07,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 21 disjoint index pairs (out of 105 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 140 treesize of output 136 [2021-07-14 15:44:07,289 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:07,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,298 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,303 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:44:07,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,310 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:07,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 83 [2021-07-14 15:44:07,314 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:07,435 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-07-14 15:44:07,435 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:44:07,440 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 15:44:07,440 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:609, output treesize:335 [2021-07-14 15:44:07,621 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-07-14 15:44:08,123 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2021-07-14 15:44:08,324 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2021-07-14 15:44:08,525 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2021-07-14 15:44:08,731 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2021-07-14 15:44:08,934 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2021-07-14 15:44:09,151 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2021-07-14 15:44:09,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:09,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-07-14 15:44:09,189 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:09,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:09,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 51 [2021-07-14 15:44:09,207 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:09,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:09,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 49 [2021-07-14 15:44:09,226 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:09,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:09,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 49 [2021-07-14 15:44:09,245 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:09,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:09,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 43 [2021-07-14 15:44:09,264 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:09,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-07-14 15:44:09,272 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:09,340 INFO L628 ElimStorePlain]: treesize reduction 118, result has 41.9 percent of original size [2021-07-14 15:44:09,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-07-14 15:44:09,343 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:09,369 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:44:09,371 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 15:44:09,371 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 2 variables, input treesize:499, output treesize:71 [2021-07-14 15:44:09,546 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:44:09,547 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006066313] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:44:09,547 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:44:09,547 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 56 [2021-07-14 15:44:09,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081024582] [2021-07-14 15:44:09,547 INFO L462 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-07-14 15:44:09,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:44:09,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-07-14 15:44:09,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=2920, Unknown=0, NotChecked=0, Total=3080 [2021-07-14 15:44:09,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:44:09,548 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:44:09,548 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 56 states, 56 states have (on average 1.2142857142857142) internal successors, (68), 56 states have internal predecessors, (68), 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) [2021-07-14 15:44:09,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:44:09,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:44:09,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:09,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:09,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:44:09,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:44:12,141 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2021-07-14 15:44:12,771 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2021-07-14 15:44:13,161 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 100 [2021-07-14 15:44:13,474 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 116 [2021-07-14 15:44:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:44:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:44:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:44:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:44:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:44:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:44:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:44:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:44:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:44:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:44:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:44:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:44:13,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:44:13,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:44:13,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:44:13,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 15:44:13,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:44:13,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:44:13,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:44:13,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:44:13,746 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable341 [2021-07-14 15:44:13,747 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:44:13,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:44:13,747 INFO L82 PathProgramCache]: Analyzing trace with hash 668494450, now seen corresponding path program 29 times [2021-07-14 15:44:13,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:44:13,747 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707288140] [2021-07-14 15:44:13,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:44:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:44:14,275 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:44:14,275 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:44:14,275 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707288140] [2021-07-14 15:44:14,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707288140] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:44:14,276 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190644630] [2021-07-14 15:44:14,276 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:44:14,327 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-14 15:44:14,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:44:14,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-14 15:44:14,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:44:14,803 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:14,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:44:14,805 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:14,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 15:44:14,807 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:14,818 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:44:14,818 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:44:14,818 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 15:44:15,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:44:15,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 15:44:15,148 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:15,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:44:15,150 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:15,163 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 15:44:15,163 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 15:44:15,163 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 15:44:15,163 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 15:44:15,202 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:44:15,202 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190644630] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:44:15,202 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:44:15,202 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 55 [2021-07-14 15:44:15,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675240615] [2021-07-14 15:44:15,203 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-14 15:44:15,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:44:15,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-14 15:44:15,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=2803, Unknown=0, NotChecked=0, Total=2970 [2021-07-14 15:44:15,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:44:15,204 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:44:15,204 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.2727272727272727) internal successors, (70), 55 states have internal predecessors, (70), 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) [2021-07-14 15:44:15,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:44:15,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:44:15,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:15,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:15,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:15,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:44:15,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:44:15,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:15,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:15,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:44:15,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:44:15,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:15,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:15,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:15,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:44:15,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:15,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:15,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:15,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:44:15,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:44:15,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:15,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:15,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:15,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:44:15,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:44:15,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:44:15,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:44:15,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:44:15,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:44:15,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 15:44:15,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:44:15,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:44:15,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:44:15,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:44:15,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:44:17,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:44:17,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:44:17,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:17,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:17,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:17,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:44:17,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:44:17,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:17,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:17,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:44:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:44:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:44:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:44:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:44:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:44:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:44:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:44:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:44:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:44:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:44:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 15:44:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:44:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:44:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:44:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:44:17,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:44:17,664 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable375 [2021-07-14 15:44:17,665 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:44:17,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:44:17,665 INFO L82 PathProgramCache]: Analyzing trace with hash -93956796, now seen corresponding path program 30 times [2021-07-14 15:44:17,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:44:17,665 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716645652] [2021-07-14 15:44:17,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:44:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:44:18,954 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:44:18,954 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:44:18,954 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716645652] [2021-07-14 15:44:18,954 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716645652] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:44:18,954 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589012937] [2021-07-14 15:44:18,954 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:44:19,008 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 15:44:19,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:44:19,011 WARN L261 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 156 conjunts are in the unsatisfiable core [2021-07-14 15:44:19,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:44:20,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 91 [2021-07-14 15:44:20,743 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:20,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 89 [2021-07-14 15:44:20,773 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:20,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 89 [2021-07-14 15:44:20,797 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:20,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 81 [2021-07-14 15:44:20,822 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:20,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 89 [2021-07-14 15:44:20,846 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:20,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 81 [2021-07-14 15:44:20,851 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:20,945 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:44:20,948 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 15:44:20,948 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:769, output treesize:417 [2021-07-14 15:44:21,730 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 64 [2021-07-14 15:44:22,054 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2021-07-14 15:44:22,399 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 75 [2021-07-14 15:44:22,762 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2021-07-14 15:44:23,079 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2021-07-14 15:44:23,426 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2021-07-14 15:44:23,711 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2021-07-14 15:44:23,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 48 [2021-07-14 15:44:23,777 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:23,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 58 [2021-07-14 15:44:23,798 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:23,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 56 [2021-07-14 15:44:23,820 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:23,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 48 [2021-07-14 15:44:23,842 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:23,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 56 [2021-07-14 15:44:23,864 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:23,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 50 [2021-07-14 15:44:23,886 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:23,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 48 [2021-07-14 15:44:23,891 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:23,923 INFO L628 ElimStorePlain]: treesize reduction 85, result has 32.0 percent of original size [2021-07-14 15:44:23,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 15:44:23,926 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 15:44:23,936 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:44:23,937 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 15:44:23,937 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:553, output treesize:32 [2021-07-14 15:44:24,021 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:44:24,021 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589012937] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:44:24,021 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:44:24,021 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30] total 59 [2021-07-14 15:44:24,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461690635] [2021-07-14 15:44:24,021 INFO L462 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-07-14 15:44:24,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:44:24,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-07-14 15:44:24,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=3278, Unknown=0, NotChecked=0, Total=3422 [2021-07-14 15:44:24,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:44:24,022 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:44:24,022 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 1.2203389830508475) internal successors, (72), 59 states have internal predecessors, (72), 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) [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:44:24,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 15:44:24,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:44:24,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:44:24,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:44:24,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:44:24,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:44:24,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:44:26,412 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2021-07-14 15:44:26,584 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2021-07-14 15:44:26,757 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2021-07-14 15:44:26,981 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2021-07-14 15:44:27,211 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2021-07-14 15:44:27,470 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2021-07-14 15:44:27,711 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2021-07-14 15:44:27,957 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2021-07-14 15:44:28,406 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 111 [2021-07-14 15:44:28,684 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 62 [2021-07-14 15:44:29,197 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 124 [2021-07-14 15:44:29,784 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 127 [2021-07-14 15:44:30,461 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 126 [2021-07-14 15:44:31,161 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 126 [2021-07-14 15:44:31,647 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2021-07-14 15:44:32,326 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 126 [2021-07-14 15:44:32,861 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 126 [2021-07-14 15:44:33,348 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 126 [2021-07-14 15:44:33,871 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 121 [2021-07-14 15:44:33,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:44:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:44:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:44:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:44:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:44:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:44:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:44:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:33,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:44:33,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:44:33,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:33,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:33,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:33,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:44:33,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:44:33,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:44:33,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:44:33,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:44:33,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:44:33,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 15:44:33,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:44:33,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:44:33,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:44:33,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:44:33,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:44:33,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 15:44:34,167 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable378 [2021-07-14 15:44:34,167 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:44:34,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:44:34,168 INFO L82 PathProgramCache]: Analyzing trace with hash 2039858354, now seen corresponding path program 31 times [2021-07-14 15:44:34,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:44:34,168 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000119430] [2021-07-14 15:44:34,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:44:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:44:34,396 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-07-14 15:44:34,397 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:44:34,397 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000119430] [2021-07-14 15:44:34,397 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000119430] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:44:34,397 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168318136] [2021-07-14 15:44:34,397 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:44:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:44:34,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-14 15:44:34,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:44:35,308 INFO L354 Elim1Store]: treesize reduction 196, result has 12.9 percent of original size [2021-07-14 15:44:35,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 67 treesize of output 77 [2021-07-14 15:44:35,311 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:35,334 INFO L354 Elim1Store]: treesize reduction 224, result has 0.4 percent of original size [2021-07-14 15:44:35,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 57 treesize of output 41 [2021-07-14 15:44:35,337 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:44:35,382 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:44:35,383 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 15:44:35,394 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:44:35,395 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:209, output treesize:37 [2021-07-14 15:44:35,662 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-07-14 15:44:35,662 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168318136] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:44:35,662 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:44:35,662 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 40 [2021-07-14 15:44:35,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433867785] [2021-07-14 15:44:35,663 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-14 15:44:35,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:44:35,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-14 15:44:35,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=292, Invalid=1268, Unknown=0, NotChecked=0, Total=1560 [2021-07-14 15:44:35,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:44:35,664 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:44:35,664 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.3) internal successors, (52), 40 states have internal predecessors, (52), 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) [2021-07-14 15:44:35,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:44:35,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:44:35,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:35,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:35,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:35,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:44:35,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:44:35,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:44:35,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:35,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:44:35,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:44:35,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:35,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:35,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:44:35,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:44:35,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:35,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:35,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:44:35,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:44:35,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:44:35,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:35,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:35,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:44:35,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:44:35,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:44:35,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:44:35,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:44:35,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:44:35,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:44:35,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 15:44:35,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:44:35,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:44:35,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:44:35,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:44:35,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:44:35,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 15:44:35,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:44:54,103 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2021-07-14 15:45:05,042 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2021-07-14 15:45:13,005 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2021-07-14 15:45:20,371 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2021-07-14 15:45:31,465 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2021-07-14 15:45:41,623 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2021-07-14 15:45:50,660 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2021-07-14 15:46:02,163 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2021-07-14 15:46:15,805 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2021-07-14 15:46:16,841 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 105 [2021-07-14 15:46:17,244 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 107 [2021-07-14 15:46:17,671 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 107 [2021-07-14 15:46:18,044 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 107 [2021-07-14 15:46:18,425 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 107 [2021-07-14 15:46:18,834 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 107 [2021-07-14 15:46:19,234 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 107 [2021-07-14 15:46:19,692 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 116 [2021-07-14 15:46:21,120 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-07-14 15:46:21,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:46:21,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:46:21,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:46:21,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 15:46:21,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:46:21,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:46:21,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:46:21,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:46:21,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:46:21,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 15:46:21,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-07-14 15:46:21,483 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable414 [2021-07-14 15:46:21,484 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:46:21,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:46:21,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1158762962, now seen corresponding path program 32 times [2021-07-14 15:46:21,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:46:21,484 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233336543] [2021-07-14 15:46:21,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:46:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:46:22,391 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:46:22,392 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:46:22,392 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233336543] [2021-07-14 15:46:22,392 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233336543] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:46:22,392 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65597563] [2021-07-14 15:46:22,392 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:46:22,444 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 15:46:22,445 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:46:22,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 111 conjunts are in the unsatisfiable core [2021-07-14 15:46:22,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:46:23,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:46:23,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 54 [2021-07-14 15:46:23,114 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:46:23,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 46 [2021-07-14 15:46:23,118 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:46:23,135 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:46:23,136 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:46:23,136 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:165, output treesize:49 [2021-07-14 15:46:24,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:46:24,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 50 [2021-07-14 15:46:24,039 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:46:24,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:46:24,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 58 [2021-07-14 15:46:24,074 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:46:24,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:46:24,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 56 [2021-07-14 15:46:24,099 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:46:24,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 15:46:24,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 48 [2021-07-14 15:46:24,117 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:46:24,156 INFO L628 ElimStorePlain]: treesize reduction 71, result has 42.3 percent of original size [2021-07-14 15:46:24,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-07-14 15:46:24,159 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 15:46:24,173 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:46:24,174 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:46:24,174 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:361, output treesize:38 [2021-07-14 15:46:24,268 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:46:24,269 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65597563] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:46:24,269 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:46:24,269 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 32] total 51 [2021-07-14 15:46:24,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721512205] [2021-07-14 15:46:24,269 INFO L462 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-07-14 15:46:24,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:46:24,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-07-14 15:46:24,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=2399, Unknown=0, NotChecked=0, Total=2550 [2021-07-14 15:46:24,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:46:24,270 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:46:24,270 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 1.196078431372549) internal successors, (61), 51 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) [2021-07-14 15:46:24,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:46:24,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:46:24,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:24,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:46:24,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:46:24,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:46:24,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:46:24,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:46:24,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:24,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-07-14 15:46:24,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:46:26,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:46:26,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:46:26,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:26,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:46:26,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:46:26,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:46:26,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:46:26,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:46:26,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:26,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:46:26,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:46:26,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:46:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:46:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:46:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:46:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:46:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:46:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:46:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:46:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:46:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:46:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:46:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:46:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:46:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:46:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:46:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 15:46:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:46:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:46:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:46:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:46:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:46:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 15:46:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-07-14 15:46:26,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:46:26,413 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable435 [2021-07-14 15:46:26,413 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:46:26,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:46:26,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1638413950, now seen corresponding path program 33 times [2021-07-14 15:46:26,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:46:26,414 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944801745] [2021-07-14 15:46:26,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:46:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:46:26,907 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:46:26,907 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:46:26,907 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944801745] [2021-07-14 15:46:26,907 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944801745] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:46:26,907 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691108316] [2021-07-14 15:46:26,907 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:46:26,974 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-14 15:46:26,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:46:26,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 102 conjunts are in the unsatisfiable core [2021-07-14 15:46:26,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:46:28,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:46:28,615 INFO L354 Elim1Store]: treesize reduction 32, result has 50.8 percent of original size [2021-07-14 15:46:28,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 9 case distinctions, treesize of input 82 treesize of output 92 [2021-07-14 15:46:28,629 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:46:28,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:46:28,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 47 [2021-07-14 15:46:28,651 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:46:28,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:46:28,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 46 [2021-07-14 15:46:28,674 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:46:28,713 INFO L354 Elim1Store]: treesize reduction 32, result has 50.8 percent of original size [2021-07-14 15:46:28,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 9 case distinctions, treesize of input 81 treesize of output 91 [2021-07-14 15:46:28,717 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:46:28,765 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:46:28,767 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 15:46:28,767 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:321, output treesize:71 [2021-07-14 15:46:29,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:46:29,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2021-07-14 15:46:29,401 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:46:29,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:46:29,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2021-07-14 15:46:29,405 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:46:29,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:46:29,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2021-07-14 15:46:29,409 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:46:29,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2021-07-14 15:46:29,412 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:46:29,441 INFO L628 ElimStorePlain]: treesize reduction 75, result has 27.2 percent of original size [2021-07-14 15:46:29,441 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 15:46:29,441 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:46:29,441 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:159, output treesize:28 [2021-07-14 15:46:29,542 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:46:29,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691108316] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:46:29,543 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:46:29,543 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 32] total 61 [2021-07-14 15:46:29,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851298212] [2021-07-14 15:46:29,543 INFO L462 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-07-14 15:46:29,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:46:29,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-07-14 15:46:29,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=3508, Unknown=0, NotChecked=0, Total=3660 [2021-07-14 15:46:29,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:46:29,545 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:46:29,545 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 61 states, 61 states have (on average 1.2459016393442623) internal successors, (76), 61 states have internal predecessors, (76), 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) [2021-07-14 15:46:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:46:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:46:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:46:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:46:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:46:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:46:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:46:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:46:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:46:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:46:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:46:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:46:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:46:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:46:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:46:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:46:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:46:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:46:29,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:46:29,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:46:29,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:46:29,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:46:29,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:46:29,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:46:29,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 15:46:29,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:46:29,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:46:29,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:46:29,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:46:29,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:46:29,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 15:46:29,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-07-14 15:46:29,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:46:29,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:46:33,305 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2021-07-14 15:46:33,556 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-07-14 15:46:33,829 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 65 [2021-07-14 15:46:34,027 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2021-07-14 15:46:34,239 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2021-07-14 15:46:34,446 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2021-07-14 15:46:34,652 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 64 [2021-07-14 15:46:34,855 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2021-07-14 15:46:35,056 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2021-07-14 15:46:35,263 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-07-14 15:46:35,501 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2021-07-14 15:46:35,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:46:35,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:46:35,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:35,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:46:35,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:46:35,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:46:35,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:46:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:46:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:46:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:46:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:46:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:46:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:46:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:46:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:46:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:46:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:46:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:46:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:46:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:46:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:46:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:46:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:46:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:46:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:46:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 15:46:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:46:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:46:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:46:35,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:46:35,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:46:35,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 15:46:35,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-07-14 15:46:35,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:46:35,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 15:46:35,766 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable459 [2021-07-14 15:46:35,766 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:46:35,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:46:35,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1406326836, now seen corresponding path program 34 times [2021-07-14 15:46:35,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:46:35,767 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900475136] [2021-07-14 15:46:35,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:46:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:46:37,827 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:46:37,827 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:46:37,827 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900475136] [2021-07-14 15:46:37,827 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900475136] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:46:37,827 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203262054] [2021-07-14 15:46:37,827 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:46:37,883 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 15:46:37,883 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:46:37,886 WARN L261 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 174 conjunts are in the unsatisfiable core [2021-07-14 15:46:37,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:46:39,182 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2021-07-14 15:46:40,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 91 [2021-07-14 15:46:40,320 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:46:40,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 99 [2021-07-14 15:46:40,350 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:46:40,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 99 [2021-07-14 15:46:40,379 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:46:40,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 91 [2021-07-14 15:46:40,409 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:46:40,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 99 [2021-07-14 15:46:40,439 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 15:46:40,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 101 [2021-07-14 15:46:40,444 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 15:46:40,566 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-07-14 15:46:40,567 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:46:40,570 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 15:46:40,570 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:853, output treesize:471 [2021-07-14 15:46:40,782 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-07-14 15:46:41,380 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 69 [2021-07-14 15:46:41,873 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2021-07-14 15:46:42,239 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2021-07-14 15:46:42,659 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 80 [2021-07-14 15:46:43,092 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2021-07-14 15:46:43,657 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 81 [2021-07-14 15:46:44,026 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2021-07-14 15:46:44,442 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2021-07-14 15:46:44,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 63 [2021-07-14 15:46:44,514 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:46:44,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 55 [2021-07-14 15:46:44,542 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:46:44,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 61 [2021-07-14 15:46:44,571 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:46:44,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 61 [2021-07-14 15:46:44,576 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:46:44,601 INFO L628 ElimStorePlain]: treesize reduction 29, result has 58.0 percent of original size [2021-07-14 15:46:44,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 15:46:44,604 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 15:46:44,615 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:46:44,615 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 15:46:44,615 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:355, output treesize:32 [2021-07-14 15:46:44,734 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:46:44,735 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203262054] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:46:44,735 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:46:44,735 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 33] total 66 [2021-07-14 15:46:44,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089177984] [2021-07-14 15:46:44,735 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-07-14 15:46:44,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:46:44,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-07-14 15:46:44,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=4149, Unknown=0, NotChecked=0, Total=4290 [2021-07-14 15:46:44,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:46:44,737 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:46:44,737 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 1.1818181818181819) internal successors, (78), 66 states have internal predecessors, (78), 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) [2021-07-14 15:46:44,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:46:44,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:46:44,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:44,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:46:44,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:46:44,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:46:44,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:46:44,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:46:44,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:44,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:46:44,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:46:44,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:44,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:44,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:46:44,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:46:44,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:46:44,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:46:44,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:46:44,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:46:44,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:46:44,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:46:44,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:46:44,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:46:44,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:46:44,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:46:44,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:46:44,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:46:44,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:46:44,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:46:44,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 15:46:44,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:46:44,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:46:44,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:46:44,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:46:44,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:46:44,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 15:46:44,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-07-14 15:46:44,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:46:44,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 15:46:44,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:46:48,542 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-07-14 15:46:48,894 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 76 [2021-07-14 15:46:49,202 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 97 [2021-07-14 15:46:49,534 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 90 [2021-07-14 15:46:49,839 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 100 [2021-07-14 15:46:50,188 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 99 [2021-07-14 15:46:50,558 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 104 [2021-07-14 15:46:50,956 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 109 [2021-07-14 15:46:51,327 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 102 [2021-07-14 15:46:51,686 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 104 [2021-07-14 15:46:52,073 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 106 [2021-07-14 15:46:52,605 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 110 [2021-07-14 15:46:53,038 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 66 [2021-07-14 15:46:53,657 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 123 [2021-07-14 15:46:54,511 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 125 [2021-07-14 15:46:55,156 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 135 [2021-07-14 15:46:55,916 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 117 [2021-07-14 15:46:56,772 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 135 [2021-07-14 15:46:57,683 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 117 [2021-07-14 15:46:58,301 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 125 [2021-07-14 15:46:59,035 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 117 [2021-07-14 15:47:00,057 WARN L205 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 125 [2021-07-14 15:47:01,187 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 117 [2021-07-14 15:47:01,912 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 125 [2021-07-14 15:47:02,743 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 117 [2021-07-14 15:47:03,648 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 125 [2021-07-14 15:47:04,682 WARN L205 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 117 [2021-07-14 15:47:05,584 WARN L205 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 125 [2021-07-14 15:47:06,590 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 117 [2021-07-14 15:47:07,573 WARN L205 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 125 [2021-07-14 15:47:08,625 WARN L205 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 117 [2021-07-14 15:47:09,478 WARN L205 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 126 [2021-07-14 15:47:10,239 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 104 [2021-07-14 15:47:10,656 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2021-07-14 15:47:10,909 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-07-14 15:47:11,100 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-07-14 15:47:11,294 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2021-07-14 15:47:11,510 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2021-07-14 15:47:11,716 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2021-07-14 15:47:11,926 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2021-07-14 15:47:13,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:47:13,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:47:13,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:13,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:47:13,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:47:13,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:47:13,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:47:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 15:47:13,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-07-14 15:47:13,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:13,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 15:47:13,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 15:47:14,179 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable477 [2021-07-14 15:47:14,179 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:47:14,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:47:14,180 INFO L82 PathProgramCache]: Analyzing trace with hash -2085164826, now seen corresponding path program 35 times [2021-07-14 15:47:14,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:47:14,180 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433987708] [2021-07-14 15:47:14,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:47:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:47:15,446 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:47:15,446 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:47:15,446 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433987708] [2021-07-14 15:47:15,446 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433987708] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:47:15,446 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262700935] [2021-07-14 15:47:15,446 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:47:15,507 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 15:47:15,507 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:47:15,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 121 conjunts are in the unsatisfiable core [2021-07-14 15:47:15,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:47:16,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:47:16,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 51 [2021-07-14 15:47:16,724 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:47:16,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-07-14 15:47:16,729 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:47:16,746 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:47:16,747 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:47:16,747 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:179, output treesize:53 [2021-07-14 15:47:17,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 61 [2021-07-14 15:47:17,919 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:47:17,925 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:47:17,925 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 15:47:17,926 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:47:17,926 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:91, output treesize:16 [2021-07-14 15:47:17,993 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:47:17,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262700935] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:47:17,993 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:47:17,993 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 66 [2021-07-14 15:47:17,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338459165] [2021-07-14 15:47:17,993 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-07-14 15:47:17,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:47:17,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-07-14 15:47:17,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=4111, Unknown=0, NotChecked=0, Total=4290 [2021-07-14 15:47:17,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:47:17,995 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:47:17,995 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 1.2121212121212122) internal successors, (80), 66 states have internal predecessors, (80), 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) [2021-07-14 15:47:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:47:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:47:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:47:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:47:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:47:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:47:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:47:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:47:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:47:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:47:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:47:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:47:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:47:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:47:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:47:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:47:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:47:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:47:17,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:47:17,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:47:17,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:47:17,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:47:17,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:47:17,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 15:47:17,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:47:17,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:17,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:47:17,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:17,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:47:17,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 15:47:17,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-07-14 15:47:17,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:17,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 15:47:17,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 15:47:17,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:47:21,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:47:21,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:47:21,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:21,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:47:21,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:47:21,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:47:21,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 15:47:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-07-14 15:47:21,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:21,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 15:47:21,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 15:47:21,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:47:21,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable522 [2021-07-14 15:47:21,857 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:47:21,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:47:21,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1106782578, now seen corresponding path program 36 times [2021-07-14 15:47:21,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:47:21,858 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298138909] [2021-07-14 15:47:21,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:47:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:47:22,575 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:47:22,575 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:47:22,575 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298138909] [2021-07-14 15:47:22,575 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298138909] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:47:22,575 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886873328] [2021-07-14 15:47:22,575 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:47:22,637 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 15:47:22,637 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:47:22,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 68 conjunts are in the unsatisfiable core [2021-07-14 15:47:22,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:47:23,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:47:23,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 15:47:23,333 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:47:23,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:47:23,335 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:47:23,346 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:47:23,347 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:47:23,347 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 15:47:23,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 15:47:23,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 15:47:23,817 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:47:23,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 15:47:23,819 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:47:23,832 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 15:47:23,832 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 15:47:23,833 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 15:47:23,833 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 15:47:23,890 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:47:23,891 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886873328] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:47:23,891 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:47:23,891 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34] total 67 [2021-07-14 15:47:23,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638550455] [2021-07-14 15:47:23,891 INFO L462 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-07-14 15:47:23,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:47:23,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-07-14 15:47:23,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=4215, Unknown=0, NotChecked=0, Total=4422 [2021-07-14 15:47:23,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:47:23,893 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:47:23,893 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 67 states, 67 states have (on average 1.2238805970149254) internal successors, (82), 67 states have internal predecessors, (82), 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) [2021-07-14 15:47:23,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:47:23,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:47:23,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:23,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:47:23,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:47:23,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:47:23,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:47:23,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:47:23,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:23,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:47:23,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:47:23,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:23,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:23,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:23,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:47:23,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:47:23,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:47:23,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:47:23,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:23,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:47:23,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:47:23,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:47:23,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:47:23,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:47:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:47:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:47:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:47:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:47:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:47:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 15:47:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:47:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:47:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:47:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 15:47:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-07-14 15:47:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 15:47:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 15:47:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:47:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:47:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:47:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:47:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:47:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:47:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:47:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:47:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:47:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:47:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:47:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:47:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:47:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:47:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:47:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:47:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:47:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:47:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:47:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:47:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:47:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:47:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:47:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:47:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:47:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 15:47:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:47:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:47:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:47:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 15:47:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-07-14 15:47:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 15:47:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 15:47:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:47:26,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 15:47:27,142 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable554 [2021-07-14 15:47:27,142 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:47:27,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:47:27,142 INFO L82 PathProgramCache]: Analyzing trace with hash 608073284, now seen corresponding path program 37 times [2021-07-14 15:47:27,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:47:27,143 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795004870] [2021-07-14 15:47:27,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:47:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:47:28,720 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2021-07-14 15:47:29,297 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:47:29,297 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:47:29,297 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795004870] [2021-07-14 15:47:29,297 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795004870] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:47:29,298 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530802992] [2021-07-14 15:47:29,298 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:47:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:47:29,377 WARN L261 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 189 conjunts are in the unsatisfiable core [2021-07-14 15:47:29,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:47:32,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 101 [2021-07-14 15:47:32,026 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:47:32,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 111 [2021-07-14 15:47:32,063 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:47:32,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 109 [2021-07-14 15:47:32,099 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 15:47:32,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 109 [2021-07-14 15:47:32,104 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:47:32,176 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:47:32,178 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 15:47:32,178 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:604, output treesize:312 [2021-07-14 15:47:33,024 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-07-14 15:47:33,430 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2021-07-14 15:47:33,826 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-14 15:47:34,137 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2021-07-14 15:47:34,550 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2021-07-14 15:47:34,920 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2021-07-14 15:47:35,295 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2021-07-14 15:47:35,659 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2021-07-14 15:47:35,994 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2021-07-14 15:47:36,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 66 [2021-07-14 15:47:36,032 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:47:36,129 INFO L628 ElimStorePlain]: treesize reduction 268, result has 41.7 percent of original size [2021-07-14 15:47:36,129 INFO L518 ElimStorePlain]: Eliminatee v_prenex_31 vanished before elimination [2021-07-14 15:47:36,129 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 15:47:36,129 INFO L518 ElimStorePlain]: Eliminatee v_prenex_30 vanished before elimination [2021-07-14 15:47:36,129 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 15:47:36,129 INFO L518 ElimStorePlain]: Eliminatee v_prenex_36 vanished before elimination [2021-07-14 15:47:36,129 INFO L518 ElimStorePlain]: Eliminatee v_prenex_35 vanished before elimination [2021-07-14 15:47:36,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 60 [2021-07-14 15:47:36,135 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:47:36,162 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:47:36,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 15:47:36,166 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 15:47:36,192 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:47:36,193 INFO L518 ElimStorePlain]: Eliminatee v_prenex_29 vanished before elimination [2021-07-14 15:47:36,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 66 [2021-07-14 15:47:36,199 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 15:47:36,210 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:47:36,210 INFO L518 ElimStorePlain]: Eliminatee v_prenex_27 vanished before elimination [2021-07-14 15:47:36,211 INFO L550 ElimStorePlain]: Start of recursive call 1: 12 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 15:47:36,211 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 12 variables, input treesize:544, output treesize:32 [2021-07-14 15:47:36,339 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:47:36,340 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530802992] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:47:36,340 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:47:36,340 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 35] total 70 [2021-07-14 15:47:36,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467318806] [2021-07-14 15:47:36,340 INFO L462 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-07-14 15:47:36,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:47:36,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-07-14 15:47:36,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=4681, Unknown=0, NotChecked=0, Total=4830 [2021-07-14 15:47:36,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:47:36,341 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:47:36,341 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 70 states, 70 states have (on average 1.2) internal successors, (84), 70 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 15:47:36,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:47:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 15:47:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:47:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:47:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:47:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 15:47:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-07-14 15:47:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 15:47:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 15:47:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:47:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 15:47:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:47:41,612 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 91 [2021-07-14 15:47:41,850 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 83 [2021-07-14 15:47:42,164 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 93 [2021-07-14 15:47:42,529 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 94 [2021-07-14 15:47:42,860 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 93 [2021-07-14 15:47:43,194 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 95 [2021-07-14 15:47:43,537 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 97 [2021-07-14 15:47:43,885 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 102 [2021-07-14 15:47:44,324 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 105 [2021-07-14 15:47:44,791 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 107 [2021-07-14 15:47:45,234 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 108 [2021-07-14 15:47:45,625 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 55 [2021-07-14 15:47:46,156 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 120 [2021-07-14 15:47:47,013 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 131 [2021-07-14 15:47:47,517 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 122 [2021-07-14 15:47:48,157 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 103 [2021-07-14 15:47:48,682 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 122 [2021-07-14 15:47:49,378 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 103 [2021-07-14 15:47:49,906 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 122 [2021-07-14 15:47:50,560 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 103 [2021-07-14 15:47:51,061 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 122 [2021-07-14 15:47:51,710 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 103 [2021-07-14 15:47:52,207 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 120 [2021-07-14 15:47:52,841 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 103 [2021-07-14 15:47:53,338 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 120 [2021-07-14 15:47:53,978 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 103 [2021-07-14 15:47:54,466 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 120 [2021-07-14 15:47:55,102 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 103 [2021-07-14 15:47:55,811 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 134 [2021-07-14 15:47:56,441 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 106 [2021-07-14 15:47:57,132 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 139 [2021-07-14 15:47:57,762 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 106 [2021-07-14 15:47:58,205 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 120 [2021-07-14 15:47:58,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:47:58,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:47:58,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:58,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:47:58,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:47:58,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:47:58,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:47:58,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:47:58,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:58,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:47:58,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:47:58,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:58,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:58,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:47:58,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:47:58,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:47:58,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:47:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:47:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:47:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:47:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:47:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:47:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:47:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:47:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:47:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:47:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:47:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:47:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 15:47:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:47:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:47:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:47:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 15:47:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-07-14 15:47:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:47:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 15:47:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 15:47:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:47:58,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 15:47:58,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 15:47:58,537 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable557,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:47:58,537 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:47:58,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:47:58,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1967012942, now seen corresponding path program 38 times [2021-07-14 15:47:58,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:47:58,538 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232640570] [2021-07-14 15:47:58,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:47:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:47:58,846 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 66 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-07-14 15:47:58,846 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:47:58,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232640570] [2021-07-14 15:47:58,846 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232640570] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:47:58,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227302879] [2021-07-14 15:47:58,846 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:47:58,899 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 15:47:58,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:47:58,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 57 conjunts are in the unsatisfiable core [2021-07-14 15:47:58,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:48:14,351 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 29 [2021-07-14 15:48:14,351 INFO L354 Elim1Store]: treesize reduction 324, result has 10.2 percent of original size [2021-07-14 15:48:14,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 81 treesize of output 95 [2021-07-14 15:48:14,355 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:48:14,391 INFO L354 Elim1Store]: treesize reduction 360, result has 0.3 percent of original size [2021-07-14 15:48:14,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 71 treesize of output 51 [2021-07-14 15:48:14,394 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 15:48:14,465 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:48:14,465 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 15:48:14,481 INFO L550 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 15:48:14,482 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 11 variables, input treesize:257, output treesize:47 [2021-07-14 15:48:14,841 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 55 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-07-14 15:48:14,841 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227302879] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:48:14,841 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:48:14,841 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 48 [2021-07-14 15:48:14,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618249916] [2021-07-14 15:48:14,842 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-07-14 15:48:14,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:48:14,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-07-14 15:48:14,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=416, Invalid=1836, Unknown=4, NotChecked=0, Total=2256 [2021-07-14 15:48:14,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:48:14,842 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:48:14,843 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 1.25) internal successors, (60), 48 states have internal predecessors, (60), 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) [2021-07-14 15:48:14,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:48:14,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:48:14,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:48:14,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:48:14,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:48:14,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 15:48:14,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:48:14,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:48:14,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:48:14,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 15:48:14,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:48:14,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:48:14,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:48:14,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:48:14,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:48:14,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:48:14,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:48:14,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:48:14,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:48:14,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 15:48:14,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:48:14,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:48:14,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:48:14,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 15:48:14,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 15:48:14,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:48:14,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 15:48:14,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:48:14,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:48:14,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 15:48:14,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 15:48:14,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:48:14,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:48:14,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:48:14,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:48:14,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 15:48:14,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-07-14 15:48:14,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 15:48:14,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 15:48:14,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 15:48:14,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 15:48:14,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 15:48:14,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 15:48:14,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:49:15,128 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-14 15:49:15,329 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable584 [2021-07-14 15:49:15,330 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) 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.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:159) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:111) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction.applyNewStateReduction(PersistentSetReduction.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:185) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:193) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:509) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 52 more [2021-07-14 15:49:15,333 INFO L168 Benchmark]: Toolchain (without parser) took 435368.64 ms. Allocated memory was 182.5 MB in the beginning and 865.1 MB in the end (delta: 682.6 MB). Free memory was 162.4 MB in the beginning and 399.0 MB in the end (delta: -236.6 MB). Peak memory consumption was 446.2 MB. Max. memory is 8.0 GB. [2021-07-14 15:49:15,333 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 182.5 MB. Free memory is still 163.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 15:49:15,334 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.73 ms. Allocated memory is still 182.5 MB. Free memory was 162.3 MB in the beginning and 160.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 15:49:15,334 INFO L168 Benchmark]: Boogie Preprocessor took 26.52 ms. Allocated memory is still 182.5 MB. Free memory was 160.8 MB in the beginning and 159.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 15:49:15,334 INFO L168 Benchmark]: RCFGBuilder took 320.77 ms. Allocated memory is still 182.5 MB. Free memory was 159.7 MB in the beginning and 137.9 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-07-14 15:49:15,334 INFO L168 Benchmark]: TraceAbstraction took 434990.90 ms. Allocated memory was 182.5 MB in the beginning and 865.1 MB in the end (delta: 682.6 MB). Free memory was 137.5 MB in the beginning and 399.0 MB in the end (delta: -261.5 MB). Peak memory consumption was 421.0 MB. Max. memory is 8.0 GB. [2021-07-14 15:49:15,334 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 0.13 ms. Allocated memory is still 182.5 MB. Free memory is still 163.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.73 ms. Allocated memory is still 182.5 MB. Free memory was 162.3 MB in the beginning and 160.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.52 ms. Allocated memory is still 182.5 MB. Free memory was 160.8 MB in the beginning and 159.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 320.77 ms. Allocated memory is still 182.5 MB. Free memory was 159.7 MB in the beginning and 137.9 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 434990.90 ms. Allocated memory was 182.5 MB in the beginning and 865.1 MB in the end (delta: 682.6 MB). Free memory was 137.5 MB in the beginning and 399.0 MB in the end (delta: -261.5 MB). Peak memory consumption was 421.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...