/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-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 22:38:47,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 22:38:47,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 22:38:48,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 22:38:48,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 22:38:48,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 22:38:48,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 22:38:48,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 22:38:48,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 22:38:48,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 22:38:48,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 22:38:48,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 22:38:48,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 22:38:48,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 22:38:48,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 22:38:48,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 22:38:48,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 22:38:48,053 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-Random521.epf [2021-07-14 22:38:48,081 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 22:38:48,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 22:38:48,081 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 22:38:48,081 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 22:38:48,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 22:38:48,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 22:38:48,083 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 22:38:48,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 22:38:48,084 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 22:38:48,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 22:38:48,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 22:38:48,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 22:38:48,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 22:38:48,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 22:38:48,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 22:38:48,085 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 22:38:48,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 22:38:48,085 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 22:38:48,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 22:38:48,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 22:38:48,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 22:38:48,086 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 22:38:48,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 22:38:48,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 22:38:48,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 22:38:48,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 22:38:48,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 22:38:48,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 22:38:48,087 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 22:38:48,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 22:38:48,087 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 22:38:48,087 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 22:38:48,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 22:38:48,088 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 22:38:48,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 22:38:48,088 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 22:38:48,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 22:38:48,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 22:38:48,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 22:38:48,344 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 22:38:48,346 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 22:38:48,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl [2021-07-14 22:38:48,346 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl' [2021-07-14 22:38:48,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 22:38:48,377 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 22:38:48,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 22:38:48,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 22:38:48,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 22:38:48,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:38:48" (1/1) ... [2021-07-14 22:38:48,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:38:48" (1/1) ... [2021-07-14 22:38:48,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 22:38:48,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 22:38:48,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 22:38:48,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 22:38:48,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:38:48" (1/1) ... [2021-07-14 22:38:48,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:38:48" (1/1) ... [2021-07-14 22:38:48,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:38:48" (1/1) ... [2021-07-14 22:38:48,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:38:48" (1/1) ... [2021-07-14 22:38:48,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:38:48" (1/1) ... [2021-07-14 22:38:48,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:38:48" (1/1) ... [2021-07-14 22:38:48,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:38:48" (1/1) ... [2021-07-14 22:38:48,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 22:38:48,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 22:38:48,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 22:38:48,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 22:38:48,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:38:48" (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 22:38:48,503 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 22:38:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 22:38:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 22:38:48,503 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 22:38:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 22:38:48,504 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 22:38:48,504 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 22:38:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 22:38:48,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 22:38:48,505 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 22:38:48,745 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 22:38:48,746 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 22:38:48,746 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 22:38:48,747 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-14 22:38:48,748 INFO L202 PluginConnector]: Adding new model array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:38:48 BoogieIcfgContainer [2021-07-14 22:38:48,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 22:38:48,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 22:38:48,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 22:38:48,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 22:38:48,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:38:48" (1/2) ... [2021-07-14 22:38:48,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f4d9d8 and model type array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 10:38:48, skipping insertion in model container [2021-07-14 22:38:48,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:38:48" (2/2) ... [2021-07-14 22:38:48,753 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-symm.wvr.bpl [2021-07-14 22:38:48,769 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 22:38:48,769 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 22:38:48,769 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 22:38:48,770 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 22:38:48,816 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 22:38:48,836 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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 22:38:48,882 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 22:38:48,882 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 22:38:48,882 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 22:38:48,882 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 22:38:48,883 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 22:38:48,883 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 22:38:48,883 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 22:38:48,883 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 22:38:48,923 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:38:48,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:38:48,926 INFO L82 PathProgramCache]: Analyzing trace with hash -481455702, now seen corresponding path program 1 times [2021-07-14 22:38:48,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:38:48,932 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389474136] [2021-07-14 22:38:48,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:38:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:38:49,125 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 22:38:49,126 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:38:49,126 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389474136] [2021-07-14 22:38:49,127 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389474136] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:38:49,127 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 22:38:49,127 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 22:38:49,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788257523] [2021-07-14 22:38:49,130 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 22:38:49,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:38:49,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 22:38:49,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 22:38:49,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:38:49,140 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:38:49,141 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 22:38:49,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:38:49,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:38:49,178 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 22:38:49,178 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:38:49,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:38:49,181 INFO L82 PathProgramCache]: Analyzing trace with hash -2019919942, now seen corresponding path program 1 times [2021-07-14 22:38:49,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:38:49,181 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927554616] [2021-07-14 22:38:49,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:38:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:38:49,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:38:49,230 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:38:49,231 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927554616] [2021-07-14 22:38:49,231 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927554616] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:38:49,231 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 22:38:49,231 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 22:38:49,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687405240] [2021-07-14 22:38:49,232 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 22:38:49,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:38:49,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 22:38:49,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-14 22:38:49,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:38:49,233 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:38:49,234 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 22:38:49,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:38:49,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:38:49,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:38:49,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:49,277 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 22:38:49,277 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:38:49,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:38:49,277 INFO L82 PathProgramCache]: Analyzing trace with hash 617529826, now seen corresponding path program 1 times [2021-07-14 22:38:49,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:38:49,278 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106267503] [2021-07-14 22:38:49,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:38:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:38:49,330 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 22:38:49,330 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:38:49,330 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106267503] [2021-07-14 22:38:49,330 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106267503] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:38:49,331 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230020479] [2021-07-14 22:38:49,331 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 22:38:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:38:49,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 22:38:49,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:38:49,445 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 22:38:49,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230020479] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:38:49,445 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:38:49,445 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-14 22:38:49,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299758972] [2021-07-14 22:38:49,446 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 22:38:49,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:38:49,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 22:38:49,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-14 22:38:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:38:49,448 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:38:49,449 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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 22:38:49,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:38:49,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:49,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:38:49,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:38:49,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:49,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:49,704 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:38:49,705 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:38:49,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:38:49,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1983860354, now seen corresponding path program 1 times [2021-07-14 22:38:49,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:38:49,706 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995415803] [2021-07-14 22:38:49,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:38:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:38:49,911 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 22:38:49,911 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:38:49,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995415803] [2021-07-14 22:38:49,912 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995415803] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:38:49,912 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2137449908] [2021-07-14 22:38:49,912 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 22:38:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:38:49,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 22:38:49,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:38:50,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:38:50,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:38:50,344 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 22:38:50,348 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:50,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:38:50,355 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 27 treesize of output 21 [2021-07-14 22:38:50,356 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:50,368 INFO L628 ElimStorePlain]: treesize reduction 79, result has 12.2 percent of original size [2021-07-14 22:38:50,369 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:38:50,369 INFO L518 ElimStorePlain]: Eliminatee v_prenex_3 vanished before elimination [2021-07-14 22:38:50,369 INFO L518 ElimStorePlain]: Eliminatee v_prenex_4 vanished before elimination [2021-07-14 22:38:50,373 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:38:50,373 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:107, output treesize:11 [2021-07-14 22:38:50,402 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 22:38:50,402 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2137449908] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:38:50,403 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:38:50,403 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-07-14 22:38:50,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211704818] [2021-07-14 22:38:50,403 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 22:38:50,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:38:50,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 22:38:50,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-07-14 22:38:50,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:38:50,405 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:38:50,405 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 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 22:38:50,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:38:50,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:50,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:50,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:38:50,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:38:50,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:50,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:50,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:50,777 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:38:50,777 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:38:50,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:38:50,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1390433762, now seen corresponding path program 2 times [2021-07-14 22:38:50,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:38:50,778 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620411564] [2021-07-14 22:38:50,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:38:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:38:50,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:38:50,854 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:38:50,854 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620411564] [2021-07-14 22:38:50,854 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620411564] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:38:50,854 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637732929] [2021-07-14 22:38:50,854 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 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 22:38:50,887 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:38:50,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:38:50,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 22:38:50,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:38:51,003 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 22:38:51,005 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:51,009 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 22:38:51,010 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:51,018 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 22:38:51,019 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:51,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:38:51,023 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 22:38:51,025 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:51,027 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:38:51,027 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 22:38:51,028 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:51,031 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 22:38:51,032 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:51,059 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-14 22:38:51,059 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:38:51,060 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 22:38:51,060 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 22:38:51,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:38:51,096 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637732929] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:38:51,096 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:38:51,096 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-14 22:38:51,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495131005] [2021-07-14 22:38:51,096 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 22:38:51,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:38:51,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 22:38:51,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-14 22:38:51,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:38:51,097 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:38:51,097 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 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 22:38:51,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:38:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:38:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:38:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:51,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:51,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:38:51,588 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:38:51,588 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:38:51,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:38:51,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1546997946, now seen corresponding path program 3 times [2021-07-14 22:38:51,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:38:51,589 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231491866] [2021-07-14 22:38:51,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:38:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:38:51,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:38:51,679 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:38:51,679 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231491866] [2021-07-14 22:38:51,679 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231491866] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:38:51,679 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972588286] [2021-07-14 22:38:51,679 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 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 22:38:51,711 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-14 22:38:51,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:38:51,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 22:38:51,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:38:51,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:38:51,801 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 22:38:51,802 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:51,805 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 22:38:51,808 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:51,821 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 22:38:51,821 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:38:51,822 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:38:51,822 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 22:38:51,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:38:51,842 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972588286] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:38:51,842 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:38:51,842 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-14 22:38:51,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078549156] [2021-07-14 22:38:51,843 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 22:38:51,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:38:51,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 22:38:51,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-14 22:38:51,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:38:51,844 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:38:51,844 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 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 22:38:51,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:38:51,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:51,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:51,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:51,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:38:51,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:38:51,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:38:51,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:51,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:51,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:51,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:38:51,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:52,131 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-07-14 22:38:52,131 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:38:52,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:38:52,132 INFO L82 PathProgramCache]: Analyzing trace with hash 732601002, now seen corresponding path program 4 times [2021-07-14 22:38:52,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:38:52,132 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639320397] [2021-07-14 22:38:52,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:38:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:38:52,714 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:38:52,714 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:38:52,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639320397] [2021-07-14 22:38:52,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639320397] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:38:52,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002621759] [2021-07-14 22:38:52,714 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 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 22:38:52,740 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 22:38:52,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:38:52,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-14 22:38:52,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:38:53,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:38:53,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:38:53,208 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:38:53,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:38:53,210 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 26 [2021-07-14 22:38:53,212 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:53,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:38:53,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:38:53,217 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:38:53,217 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 26 treesize of output 18 [2021-07-14 22:38:53,219 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:53,253 INFO L628 ElimStorePlain]: treesize reduction 69, result has 49.6 percent of original size [2021-07-14 22:38:53,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:38:53,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:38:53,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:38:53,258 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 38 treesize of output 28 [2021-07-14 22:38:53,259 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:53,271 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:38:53,271 INFO L518 ElimStorePlain]: Eliminatee v_prenex_10 vanished before elimination [2021-07-14 22:38:53,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:38:53,274 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 22:38:53,275 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:53,286 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:38:53,305 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 22:38:53,305 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:177, output treesize:22 [2021-07-14 22:38:53,338 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:38:53,338 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002621759] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:38:53,339 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:38:53,339 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 15 [2021-07-14 22:38:53,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194702501] [2021-07-14 22:38:53,339 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 22:38:53,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:38:53,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 22:38:53,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2021-07-14 22:38:53,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:38:53,341 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:38:53,341 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 15 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 22:38:53,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:38:53,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:53,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:53,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:53,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:38:53,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:53,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:38:53,830 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2021-07-14 22:38:53,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:38:53,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:53,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:53,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:53,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:38:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:38:54,195 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:38:54,196 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:38:54,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:38:54,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1256099514, now seen corresponding path program 5 times [2021-07-14 22:38:54,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:38:54,196 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740539415] [2021-07-14 22:38:54,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:38:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:38:54,275 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:38:54,275 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:38:54,275 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740539415] [2021-07-14 22:38:54,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740539415] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:38:54,275 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118254148] [2021-07-14 22:38:54,276 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 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 22:38:54,303 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-14 22:38:54,303 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:38:54,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 22:38:54,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:38:54,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:38:54,398 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 22:38:54,399 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:54,401 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 22:38:54,402 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:54,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:38:54,405 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 22:38:54,405 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:54,408 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 22:38:54,409 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:54,411 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 22:38:54,412 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:54,413 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 22:38:54,415 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:54,434 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-14 22:38:54,435 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:38:54,435 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 22:38:54,436 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 22:38:54,461 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:38:54,461 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118254148] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:38:54,461 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:38:54,461 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-07-14 22:38:54,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598734358] [2021-07-14 22:38:54,462 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 22:38:54,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:38:54,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 22:38:54,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-14 22:38:54,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:38:54,463 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:38:54,463 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 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 22:38:54,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:38:54,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:54,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:54,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:54,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:38:54,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:54,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:38:54,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:38:54,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:38:54,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:54,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:54,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:54,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:38:54,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:54,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:38:54,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:38:55,031 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:38:55,031 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:38:55,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:38:55,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1814621922, now seen corresponding path program 6 times [2021-07-14 22:38:55,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:38:55,032 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934549699] [2021-07-14 22:38:55,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:38:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:38:55,109 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 22:38:55,109 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:38:55,109 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934549699] [2021-07-14 22:38:55,109 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934549699] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:38:55,109 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173616055] [2021-07-14 22:38:55,109 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 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 22:38:55,135 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-14 22:38:55,136 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:38:55,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 22:38:55,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:38:55,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:38:55,236 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 22:38:55,237 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:55,239 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 22:38:55,240 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:55,255 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 22:38:55,255 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:38:55,256 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:38:55,256 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 22:38:55,275 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 22:38:55,276 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173616055] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:38:55,276 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:38:55,276 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-07-14 22:38:55,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577979750] [2021-07-14 22:38:55,276 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 22:38:55,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:38:55,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 22:38:55,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-14 22:38:55,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:38:55,277 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:38:55,277 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 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 22:38:55,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:38:55,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:55,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:55,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:55,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:38:55,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:55,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:38:55,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:38:55,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:38:55,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:38:55,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:55,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:55,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:55,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:38:55,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:55,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:38:55,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:38:55,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:38:55,613 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-07-14 22:38:55,613 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:38:55,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:38:55,614 INFO L82 PathProgramCache]: Analyzing trace with hash 439009666, now seen corresponding path program 7 times [2021-07-14 22:38:55,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:38:55,614 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137429142] [2021-07-14 22:38:55,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:38:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:38:56,070 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 22:38:56,070 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:38:56,070 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137429142] [2021-07-14 22:38:56,070 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137429142] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:38:56,070 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010399424] [2021-07-14 22:38:56,071 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 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 22:38:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:38:56,101 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-14 22:38:56,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:38:56,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:38:56,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:38:56,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:38:56,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:38:56,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:38:56,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:38:56,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:38:56,642 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 47 treesize of output 33 [2021-07-14 22:38:56,643 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:56,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:38:56,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:38:56,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:38:56,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:38:56,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:38:56,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:38:56,652 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 49 treesize of output 35 [2021-07-14 22:38:56,656 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:56,667 INFO L628 ElimStorePlain]: treesize reduction 101, result has 9.8 percent of original size [2021-07-14 22:38:56,667 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:38:56,667 INFO L518 ElimStorePlain]: Eliminatee v_prenex_14 vanished before elimination [2021-07-14 22:38:56,667 INFO L518 ElimStorePlain]: Eliminatee v_prenex_13 vanished before elimination [2021-07-14 22:38:56,667 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:38:56,668 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:173, output treesize:11 [2021-07-14 22:38:56,706 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 22:38:56,706 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010399424] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:38:56,707 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:38:56,707 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-07-14 22:38:56,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674984388] [2021-07-14 22:38:56,707 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 22:38:56,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:38:56,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 22:38:56,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2021-07-14 22:38:56,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:38:56,708 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:38:56,708 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 18 states have internal predecessors, (28), 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 22:38:56,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:38:56,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:56,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:56,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:56,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:38:56,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:56,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:38:56,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:38:56,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:38:56,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:38:57,513 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 54 [2021-07-14 22:38:57,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:38:57,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:57,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:57,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:57,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:38:57,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:57,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:38:57,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:38:57,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:38:57,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:38:57,963 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:38:57,964 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:38:57,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:38:57,964 INFO L82 PathProgramCache]: Analyzing trace with hash 744702690, now seen corresponding path program 8 times [2021-07-14 22:38:57,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:38:57,964 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920908147] [2021-07-14 22:38:57,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:38:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:38:58,052 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:38:58,052 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:38:58,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920908147] [2021-07-14 22:38:58,052 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920908147] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:38:58,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138845306] [2021-07-14 22:38:58,052 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 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 22:38:58,086 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:38:58,087 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:38:58,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 22:38:58,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:38:58,226 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 22:38:58,228 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:58,231 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:38:58,231 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 22:38:58,232 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:58,234 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 22:38:58,234 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:58,237 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 22:38:58,238 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:58,239 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 22:38:58,240 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:58,242 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 22:38:58,243 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:58,262 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-14 22:38:58,262 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:38:58,263 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 22:38:58,263 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 22:38:58,291 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:38:58,292 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138845306] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:38:58,292 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:38:58,292 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-07-14 22:38:58,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712956308] [2021-07-14 22:38:58,293 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 22:38:58,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:38:58,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 22:38:58,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-14 22:38:58,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:38:58,294 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:38:58,294 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 16 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 22:38:58,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:38:58,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:58,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:58,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:58,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:38:58,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:58,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:38:58,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:38:58,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:38:58,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:38:58,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:38:58,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:38:58,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:58,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:58,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:58,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:38:58,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:58,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:38:58,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:38:58,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:38:58,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:38:58,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:38:58,970 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:38:58,971 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:38:58,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:38:58,971 INFO L82 PathProgramCache]: Analyzing trace with hash 879028154, now seen corresponding path program 9 times [2021-07-14 22:38:58,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:38:58,971 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304692022] [2021-07-14 22:38:58,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:38:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:38:59,061 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:38:59,061 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:38:59,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304692022] [2021-07-14 22:38:59,061 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304692022] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:38:59,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846500289] [2021-07-14 22:38:59,061 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 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 22:38:59,090 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 22:38:59,090 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:38:59,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 22:38:59,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:38:59,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:38:59,182 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 22:38:59,183 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:59,184 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 22:38:59,185 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:38:59,197 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 22:38:59,197 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:38:59,197 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:38:59,197 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 22:38:59,218 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:38:59,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846500289] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:38:59,219 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:38:59,219 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-07-14 22:38:59,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547436429] [2021-07-14 22:38:59,219 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 22:38:59,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:38:59,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 22:38:59,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-14 22:38:59,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:38:59,220 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:38:59,220 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 16 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 22:38:59,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:38:59,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:59,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:59,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:59,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:38:59,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:59,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:38:59,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:38:59,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:38:59,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:38:59,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:38:59,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:38:59,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:38:59,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:59,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:38:59,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:59,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:38:59,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:38:59,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:38:59,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:38:59,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:38:59,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:38:59,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:38:59,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:38:59,648 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2021-07-14 22:38:59,649 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:38:59,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:38:59,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1500373930, now seen corresponding path program 10 times [2021-07-14 22:38:59,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:38:59,649 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020818578] [2021-07-14 22:38:59,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:38:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:39:00,073 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:00,073 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:39:00,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020818578] [2021-07-14 22:39:00,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020818578] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:00,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860463698] [2021-07-14 22:39:00,073 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 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 22:39:00,102 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 22:39:00,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:39:00,104 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 53 conjunts are in the unsatisfiable core [2021-07-14 22:39:00,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:39:00,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:00,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:00,897 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:00,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:00,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:00,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:00,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:00,902 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:00,905 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 42 [2021-07-14 22:39:00,907 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:00,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:00,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:00,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:00,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:00,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:00,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:00,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:00,916 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 58 treesize of output 40 [2021-07-14 22:39:00,917 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:00,931 INFO L628 ElimStorePlain]: treesize reduction 110, result has 9.1 percent of original size [2021-07-14 22:39:00,931 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-14 22:39:00,931 INFO L518 ElimStorePlain]: Eliminatee v_prenex_20 vanished before elimination [2021-07-14 22:39:00,931 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:39:00,931 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:39:00,932 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:206, output treesize:11 [2021-07-14 22:39:00,964 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:00,964 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860463698] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:00,964 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:39:00,964 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 22 [2021-07-14 22:39:00,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856793177] [2021-07-14 22:39:00,965 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 22:39:00,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:39:00,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 22:39:00,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-07-14 22:39:00,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:00,966 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:39:00,966 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 22 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 22:39:00,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:00,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:00,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:00,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:00,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:00,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:00,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:00,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:00,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:00,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:00,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:00,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:00,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:02,116 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2021-07-14 22:39:02,260 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2021-07-14 22:39:02,410 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2021-07-14 22:39:02,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:02,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:02,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:02,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:02,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:02,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:02,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:02,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:02,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:02,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:02,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:02,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:02,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:02,729 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-07-14 22:39:02,729 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:39:02,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:39:02,730 INFO L82 PathProgramCache]: Analyzing trace with hash -712743494, now seen corresponding path program 11 times [2021-07-14 22:39:02,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:39:02,730 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797449999] [2021-07-14 22:39:02,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:39:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:39:02,858 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:02,858 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:39:02,858 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797449999] [2021-07-14 22:39:02,858 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797449999] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:02,858 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179604963] [2021-07-14 22:39:02,858 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 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 22:39:02,891 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 22:39:02,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:39:02,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 22:39:02,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:39:03,043 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 22:39:03,045 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:03,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:03,048 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 22:39:03,049 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:03,051 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:03,051 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 22:39:03,052 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:03,054 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 22:39:03,055 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:03,057 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 22:39:03,057 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:03,059 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 22:39:03,060 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:03,083 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-14 22:39:03,083 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:39:03,084 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 22:39:03,084 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 22:39:03,115 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:03,115 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179604963] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:03,115 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:39:03,115 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-07-14 22:39:03,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234082040] [2021-07-14 22:39:03,116 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 22:39:03,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:39:03,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 22:39:03,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-14 22:39:03,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:03,117 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:39:03,117 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 states have internal predecessors, (27), 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 22:39:03,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:03,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:03,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:03,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:03,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:03,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:03,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:03,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:03,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:03,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:03,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:03,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:03,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:03,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:03,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:03,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:03,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:03,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:03,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:03,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:03,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:03,958 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88 [2021-07-14 22:39:03,958 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:39:03,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:39:03,959 INFO L82 PathProgramCache]: Analyzing trace with hash -843621406, now seen corresponding path program 12 times [2021-07-14 22:39:03,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:39:03,959 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636573888] [2021-07-14 22:39:03,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:39:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:39:04,084 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:04,084 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:39:04,084 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636573888] [2021-07-14 22:39:04,084 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636573888] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:04,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993183825] [2021-07-14 22:39:04,085 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 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 22:39:04,115 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 22:39:04,115 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:39:04,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 22:39:04,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:39:04,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:04,236 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 22:39:04,237 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:04,239 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 22:39:04,239 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:04,253 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 22:39:04,253 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:39:04,253 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:39:04,253 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 22:39:04,275 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:04,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993183825] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:04,276 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:39:04,276 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-07-14 22:39:04,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710481907] [2021-07-14 22:39:04,276 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 22:39:04,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:39:04,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 22:39:04,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-14 22:39:04,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:04,277 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:39:04,277 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 states have internal predecessors, (27), 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 22:39:04,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:04,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:04,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:04,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:04,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:04,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:04,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:04,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:04,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:04,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:04,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:04,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:04,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:04,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:04,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:04,761 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:39:04,761 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:39:04,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:39:04,761 INFO L82 PathProgramCache]: Analyzing trace with hash -362154878, now seen corresponding path program 13 times [2021-07-14 22:39:04,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:39:04,762 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607997509] [2021-07-14 22:39:04,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:39:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:39:05,241 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 22:39:05,241 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:39:05,241 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607997509] [2021-07-14 22:39:05,241 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607997509] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:05,241 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478911215] [2021-07-14 22:39:05,241 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 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 22:39:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:39:05,283 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 65 conjunts are in the unsatisfiable core [2021-07-14 22:39:05,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:39:06,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:06,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:06,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:06,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:06,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:06,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:06,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:06,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:06,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:06,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:06,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:06,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:06,366 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:06,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:06,368 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 69 treesize of output 47 [2021-07-14 22:39:06,369 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:06,386 INFO L628 ElimStorePlain]: treesize reduction 177, result has 5.9 percent of original size [2021-07-14 22:39:06,387 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:39:06,387 INFO L518 ElimStorePlain]: Eliminatee v_prenex_28 vanished before elimination [2021-07-14 22:39:06,387 INFO L518 ElimStorePlain]: Eliminatee v_prenex_27 vanished before elimination [2021-07-14 22:39:06,387 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:39:06,387 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:239, output treesize:11 [2021-07-14 22:39:06,418 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 22:39:06,418 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478911215] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:06,418 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:39:06,419 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2021-07-14 22:39:06,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395671127] [2021-07-14 22:39:06,419 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 22:39:06,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:39:06,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 22:39:06,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-07-14 22:39:06,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:06,420 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:39:06,420 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 26 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 22:39:06,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:06,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:06,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:06,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:06,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:06,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:06,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:06,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:06,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:06,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:06,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:06,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:06,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:06,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:06,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:06,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:08,031 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 64 [2021-07-14 22:39:08,194 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 90 [2021-07-14 22:39:08,381 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 91 [2021-07-14 22:39:08,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:08,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:08,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:08,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:08,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:08,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:08,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:08,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:08,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:08,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:08,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:08,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:08,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:08,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:08,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:08,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:08,853 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable97 [2021-07-14 22:39:08,853 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:39:08,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:39:08,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1678405602, now seen corresponding path program 14 times [2021-07-14 22:39:08,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:39:08,854 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279789045] [2021-07-14 22:39:08,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:39:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:39:08,984 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:08,985 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:39:08,985 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279789045] [2021-07-14 22:39:08,985 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279789045] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:08,985 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144252566] [2021-07-14 22:39:08,985 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 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 22:39:09,018 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:39:09,019 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:39:09,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-14 22:39:09,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:39:09,187 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:09,188 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 22:39:09,188 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:09,199 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 22:39:09,200 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:09,202 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:09,202 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 22:39:09,203 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:09,205 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 22:39:09,205 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:09,207 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 22:39:09,208 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:09,210 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 22:39:09,210 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:09,230 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-14 22:39:09,230 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:39:09,230 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 22:39:09,230 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 22:39:09,259 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:09,259 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144252566] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:09,259 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:39:09,259 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-07-14 22:39:09,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177128716] [2021-07-14 22:39:09,259 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 22:39:09,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:39:09,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 22:39:09,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-14 22:39:09,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:09,260 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:39:09,260 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 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 22:39:09,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:09,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:09,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:09,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:09,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:09,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:09,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:09,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:09,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:09,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:09,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:09,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:09,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:09,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:09,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:09,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:09,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:09,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:09,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:09,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:09,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:09,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:09,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:09,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:09,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:09,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:09,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:09,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:09,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:09,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:09,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:09,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:09,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:09,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:10,128 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:39:10,129 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:39:10,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:39:10,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1916157626, now seen corresponding path program 15 times [2021-07-14 22:39:10,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:39:10,129 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168783535] [2021-07-14 22:39:10,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:39:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:39:10,273 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:10,273 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:39:10,273 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168783535] [2021-07-14 22:39:10,274 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168783535] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:10,274 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804705789] [2021-07-14 22:39:10,274 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 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 22:39:10,311 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 22:39:10,311 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:39:10,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-14 22:39:10,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:39:10,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:10,467 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 22:39:10,468 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:10,469 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 22:39:10,470 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:10,482 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 22:39:10,483 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:39:10,483 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:39:10,483 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 22:39:10,504 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:10,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804705789] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:10,504 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:39:10,504 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-07-14 22:39:10,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045314255] [2021-07-14 22:39:10,504 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 22:39:10,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:39:10,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 22:39:10,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-14 22:39:10,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:10,505 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:39:10,505 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 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 22:39:10,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:10,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:10,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:10,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:10,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:10,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:10,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:10,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:10,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:10,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:10,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:10,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:10,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:10,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:10,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:10,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:10,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:10,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:10,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:10,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:10,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:10,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:10,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:10,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:10,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:10,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:10,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:10,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:10,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:10,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:10,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:10,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:10,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:10,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:10,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:10,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:39:10,998 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable125 [2021-07-14 22:39:10,999 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:39:10,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:39:10,999 INFO L82 PathProgramCache]: Analyzing trace with hash -708350806, now seen corresponding path program 16 times [2021-07-14 22:39:10,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:39:10,999 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024235230] [2021-07-14 22:39:10,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:39:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:39:11,512 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:11,512 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:39:11,512 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024235230] [2021-07-14 22:39:11,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024235230] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:11,513 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116027911] [2021-07-14 22:39:11,513 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 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 22:39:11,550 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 22:39:11,550 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:39:11,551 WARN L261 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 77 conjunts are in the unsatisfiable core [2021-07-14 22:39:11,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:39:13,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:13,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:13,027 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 80 treesize of output 54 [2021-07-14 22:39:13,030 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:13,033 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:13,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:13,042 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 82 treesize of output 56 [2021-07-14 22:39:13,044 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:13,055 INFO L628 ElimStorePlain]: treesize reduction 134, result has 7.6 percent of original size [2021-07-14 22:39:13,055 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:39:13,055 INFO L518 ElimStorePlain]: Eliminatee v_prenex_38 vanished before elimination [2021-07-14 22:39:13,055 INFO L518 ElimStorePlain]: Eliminatee v_prenex_37 vanished before elimination [2021-07-14 22:39:13,056 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:39:13,056 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:272, output treesize:11 [2021-07-14 22:39:13,097 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:13,097 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116027911] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:13,097 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:39:13,097 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 30 [2021-07-14 22:39:13,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889236803] [2021-07-14 22:39:13,098 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-14 22:39:13,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:39:13,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-14 22:39:13,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=799, Unknown=0, NotChecked=0, Total=870 [2021-07-14 22:39:13,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:13,099 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:39:13,099 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 30 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 22:39:13,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:13,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:13,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:13,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:13,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:13,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:13,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:13,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:13,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:13,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:13,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:13,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:13,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:13,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:13,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:13,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:13,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:13,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:39:13,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:15,262 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 62 [2021-07-14 22:39:15,566 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 95 [2021-07-14 22:39:15,787 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 96 [2021-07-14 22:39:16,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:16,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:16,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:16,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:16,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:16,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:16,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:16,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:16,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:16,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:16,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:16,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:16,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:16,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:16,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:16,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:16,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:16,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:39:16,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:16,488 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable127 [2021-07-14 22:39:16,488 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:39:16,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:39:16,488 INFO L82 PathProgramCache]: Analyzing trace with hash -463733574, now seen corresponding path program 17 times [2021-07-14 22:39:16,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:39:16,488 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228175129] [2021-07-14 22:39:16,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:39:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:39:16,672 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:16,672 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:39:16,672 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228175129] [2021-07-14 22:39:16,672 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228175129] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:16,672 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548264173] [2021-07-14 22:39:16,672 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 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 22:39:16,723 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-14 22:39:16,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:39:16,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-14 22:39:16,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:39:16,928 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 22:39:16,929 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:16,931 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 22:39:16,932 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:16,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:16,934 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 22:39:16,934 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:16,936 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 22:39:16,937 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:16,939 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 22:39:16,940 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:16,941 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 22:39:16,943 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:16,964 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-14 22:39:16,964 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:39:16,964 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 22:39:16,964 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 22:39:17,011 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:17,011 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548264173] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:17,011 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:39:17,011 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-07-14 22:39:17,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228489787] [2021-07-14 22:39:17,011 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 22:39:17,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:39:17,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 22:39:17,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-14 22:39:17,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:17,012 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:39:17,012 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 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 22:39:17,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:17,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:17,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:17,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:17,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:17,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:17,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:17,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:17,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:17,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:17,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:17,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:17,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:17,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:17,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:17,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:17,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:17,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:39:17,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:17,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:17,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:17,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:17,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:39:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:39:18,051 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:39:18,051 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:39:18,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:39:18,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1683355422, now seen corresponding path program 18 times [2021-07-14 22:39:18,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:39:18,051 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695734870] [2021-07-14 22:39:18,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:39:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:39:18,212 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:18,213 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:39:18,213 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695734870] [2021-07-14 22:39:18,213 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695734870] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:18,213 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243346462] [2021-07-14 22:39:18,213 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 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 22:39:18,252 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 22:39:18,253 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:39:18,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-14 22:39:18,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:39:18,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:18,448 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 22:39:18,463 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:18,466 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 22:39:18,467 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:18,480 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 22:39:18,480 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:39:18,480 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:39:18,480 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 22:39:18,504 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:18,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243346462] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:18,504 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:39:18,504 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-07-14 22:39:18,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133535652] [2021-07-14 22:39:18,505 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 22:39:18,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:39:18,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 22:39:18,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-14 22:39:18,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:18,505 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:39:18,505 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 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 22:39:18,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:18,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:18,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:18,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:18,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:18,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:18,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:18,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:18,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:18,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:18,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:18,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:18,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:18,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:18,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:18,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:18,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:18,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:39:18,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:18,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:39:18,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:18,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:39:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:39:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:19,037 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable157 [2021-07-14 22:39:19,037 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:39:19,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:39:19,037 INFO L82 PathProgramCache]: Analyzing trace with hash -624105598, now seen corresponding path program 19 times [2021-07-14 22:39:19,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:39:19,038 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491286442] [2021-07-14 22:39:19,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:39:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:39:19,981 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:19,981 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:39:19,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491286442] [2021-07-14 22:39:19,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491286442] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:19,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409373220] [2021-07-14 22:39:19,981 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 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 22:39:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:39:20,015 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 89 conjunts are in the unsatisfiable core [2021-07-14 22:39:20,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:39:21,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:21,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:21,993 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 53 [2021-07-14 22:39:21,995 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:21,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:21,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:22,016 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 91 treesize of output 61 [2021-07-14 22:39:22,018 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:22,070 INFO L628 ElimStorePlain]: treesize reduction 124, result has 48.1 percent of original size [2021-07-14 22:39:22,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:22,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:22,089 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 93 treesize of output 63 [2021-07-14 22:39:22,091 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:22,100 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:39:22,100 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:39:22,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:22,102 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 22:39:22,103 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:22,111 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:39:22,112 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 22:39:22,112 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:389, output treesize:22 [2021-07-14 22:39:22,170 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:22,170 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409373220] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:22,170 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:39:22,170 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18] total 35 [2021-07-14 22:39:22,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051062420] [2021-07-14 22:39:22,171 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 22:39:22,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:39:22,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 22:39:22,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=1116, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 22:39:22,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:22,172 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:39:22,172 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 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 22:39:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:39:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:39:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:22,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:23,999 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 118 [2021-07-14 22:39:24,238 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 114 [2021-07-14 22:39:24,490 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 114 [2021-07-14 22:39:24,748 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 114 [2021-07-14 22:39:25,152 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 122 [2021-07-14 22:39:25,396 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 114 [2021-07-14 22:39:25,778 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 122 [2021-07-14 22:39:26,016 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 91 [2021-07-14 22:39:26,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:26,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:26,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:26,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:26,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:26,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:26,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:26,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:26,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:26,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:26,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:26,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:26,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:26,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:26,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:26,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:26,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:26,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:39:26,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:26,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:39:26,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:26,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:26,306 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable159 [2021-07-14 22:39:26,306 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:39:26,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:39:26,306 INFO L82 PathProgramCache]: Analyzing trace with hash -2147099422, now seen corresponding path program 20 times [2021-07-14 22:39:26,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:39:26,306 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339554246] [2021-07-14 22:39:26,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:39:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:39:26,548 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:26,548 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:39:26,548 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339554246] [2021-07-14 22:39:26,548 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339554246] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:26,548 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237345302] [2021-07-14 22:39:26,548 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 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 22:39:26,583 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:39:26,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:39:26,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 22:39:26,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:39:26,818 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 22:39:26,819 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:26,821 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 22:39:26,822 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:26,824 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 22:39:26,825 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:26,827 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:26,828 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 22:39:26,828 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:26,830 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 22:39:26,831 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:26,833 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 17 treesize of output 13 [2021-07-14 22:39:26,834 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:26,858 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-14 22:39:26,858 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:39:26,859 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 22:39:26,859 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 22:39:26,895 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:26,896 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237345302] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:26,896 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:39:26,896 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-07-14 22:39:26,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000821161] [2021-07-14 22:39:26,896 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 22:39:26,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:39:26,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 22:39:26,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-07-14 22:39:26,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:26,897 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:39:26,897 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 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 22:39:26,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:26,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:26,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:26,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:26,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:26,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:26,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:26,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:26,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:26,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:26,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:26,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:26,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:26,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:26,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:26,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:26,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:26,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:39:26,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:26,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:39:26,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:26,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:26,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:27,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:27,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:27,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:27,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:27,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:27,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:27,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:27,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:27,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:27,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:27,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:27,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:27,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:27,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:27,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:27,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:27,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:27,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:39:27,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:27,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:39:27,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:27,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:27,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:28,111 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:39:28,111 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:39:28,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:39:28,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1300671046, now seen corresponding path program 21 times [2021-07-14 22:39:28,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:39:28,112 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514524585] [2021-07-14 22:39:28,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:39:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:39:28,308 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:28,308 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:39:28,308 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514524585] [2021-07-14 22:39:28,308 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514524585] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:28,308 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715722944] [2021-07-14 22:39:28,309 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 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 22:39:28,354 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 22:39:28,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:39:28,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 22:39:28,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:39:28,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:28,573 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 22:39:28,574 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:28,575 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 22:39:28,576 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:28,588 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 22:39:28,588 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:39:28,588 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:39:28,589 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 22:39:28,613 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:28,613 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715722944] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:28,613 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:39:28,613 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-07-14 22:39:28,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345447320] [2021-07-14 22:39:28,614 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 22:39:28,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:39:28,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 22:39:28,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-07-14 22:39:28,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:28,614 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:39:28,614 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 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 22:39:28,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:28,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:28,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:28,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:28,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:28,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:28,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:28,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:28,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:28,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:28,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:28,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:28,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:28,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:28,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:28,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:28,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:28,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:39:28,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:28,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:39:28,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:28,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:28,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:28,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:39:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:29,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:39:29,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:29,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:29,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:29,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:39:29,209 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable204 [2021-07-14 22:39:29,209 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:39:29,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:39:29,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1645791830, now seen corresponding path program 22 times [2021-07-14 22:39:29,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:39:29,210 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6138552] [2021-07-14 22:39:29,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:39:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:39:30,073 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:30,073 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:39:30,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6138552] [2021-07-14 22:39:30,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6138552] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:30,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841028334] [2021-07-14 22:39:30,073 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 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 22:39:30,109 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 22:39:30,110 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:39:30,111 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2021-07-14 22:39:30,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:39:30,908 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-07-14 22:39:31,126 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-14 22:39:31,354 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-14 22:39:31,572 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-14 22:39:31,815 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-14 22:39:32,038 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-14 22:39:32,242 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-14 22:39:32,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:32,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:32,546 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 102 treesize of output 68 [2021-07-14 22:39:32,548 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:32,570 INFO L628 ElimStorePlain]: treesize reduction 239, result has 4.4 percent of original size [2021-07-14 22:39:32,571 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:39:32,571 INFO L518 ElimStorePlain]: Eliminatee v_prenex_56 vanished before elimination [2021-07-14 22:39:32,571 INFO L518 ElimStorePlain]: Eliminatee v_prenex_55 vanished before elimination [2021-07-14 22:39:32,571 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:39:32,571 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:338, output treesize:11 [2021-07-14 22:39:32,623 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:32,623 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841028334] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:32,623 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:39:32,623 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 38 [2021-07-14 22:39:32,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869358995] [2021-07-14 22:39:32,623 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-14 22:39:32,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:39:32,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-14 22:39:32,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1315, Unknown=0, NotChecked=0, Total=1406 [2021-07-14 22:39:32,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:32,624 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:39:32,624 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 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 22:39:32,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:32,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:32,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:32,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:32,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:32,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:32,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:32,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:32,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:32,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:32,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:32,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:32,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:32,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:32,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:32,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:32,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:32,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:39:32,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:32,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:39:32,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:32,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:32,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:32,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:39:32,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:36,875 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 80 [2021-07-14 22:39:37,181 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 83 [2021-07-14 22:39:37,510 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 83 [2021-07-14 22:39:37,819 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 83 [2021-07-14 22:39:38,108 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 83 [2021-07-14 22:39:38,402 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 83 [2021-07-14 22:39:38,732 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 83 [2021-07-14 22:39:39,026 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 122 [2021-07-14 22:39:39,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:39,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:39,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:39,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:39,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:39,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:39,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:39,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:39,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:39,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:39,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:39,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:39,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:39,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:39,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:39,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:39,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:39,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:39:39,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:39,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:39:39,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:39,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:39,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:39,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:39:39,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:39:39,467 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:39:39,468 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:39:39,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:39:39,468 INFO L82 PathProgramCache]: Analyzing trace with hash 540365754, now seen corresponding path program 23 times [2021-07-14 22:39:39,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:39:39,468 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483599009] [2021-07-14 22:39:39,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:39:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:39:39,698 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:39,698 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:39:39,698 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483599009] [2021-07-14 22:39:39,698 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483599009] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:39,698 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844881357] [2021-07-14 22:39:39,698 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 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 22:39:39,740 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 22:39:39,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:39:39,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-14 22:39:39,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:39:40,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:40,014 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 22:39:40,015 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:40,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:40,017 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 22:39:40,018 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:40,020 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 22:39:40,020 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:40,022 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 22:39:40,023 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:40,024 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 22:39:40,025 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:40,027 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 22:39:40,027 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:40,045 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 22:39:40,045 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:39:40,046 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 22:39:40,046 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 22:39:40,080 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:40,080 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844881357] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:40,080 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:39:40,080 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-07-14 22:39:40,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842193318] [2021-07-14 22:39:40,081 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 22:39:40,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:39:40,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 22:39:40,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-07-14 22:39:40,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:40,081 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:39:40,081 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 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 22:39:40,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:40,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:40,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:40,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:40,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:40,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:40,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:40,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:40,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:40,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:40,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:40,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:40,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:40,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:40,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:40,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:40,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:40,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:39:40,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:40,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:39:40,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:40,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:40,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:40,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:39:40,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:39:40,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:41,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:41,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:41,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:41,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:41,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:41,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:41,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:41,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:41,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:41,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:41,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:41,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:41,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:41,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:41,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:41,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:41,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:41,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:39:41,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:39:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:39:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:39:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:39:41,528 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable234 [2021-07-14 22:39:41,529 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:39:41,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:39:41,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1009841634, now seen corresponding path program 24 times [2021-07-14 22:39:41,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:39:41,529 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064351506] [2021-07-14 22:39:41,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:39:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:39:41,767 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:41,767 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:39:41,768 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064351506] [2021-07-14 22:39:41,768 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064351506] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:41,768 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102628342] [2021-07-14 22:39:41,768 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 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 22:39:41,804 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 22:39:41,805 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:39:41,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-14 22:39:41,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:39:42,058 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:42,059 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 22:39:42,059 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:42,061 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 22:39:42,061 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:42,074 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 22:39:42,074 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:39:42,074 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:39:42,074 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 22:39:42,101 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:42,101 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102628342] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:42,101 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:39:42,101 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-07-14 22:39:42,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302588833] [2021-07-14 22:39:42,101 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 22:39:42,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:39:42,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 22:39:42,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-07-14 22:39:42,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:42,102 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:39:42,102 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 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 22:39:42,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:42,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:42,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:42,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:42,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:42,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:42,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:42,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:42,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:42,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:42,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:42,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:42,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:42,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:42,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:42,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:42,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:42,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:39:42,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:42,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:39:42,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:42,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:42,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:42,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:39:42,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:39:42,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:39:42,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:39:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:39:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:42,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:42,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:42,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:39:42,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:39:42,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:39:42,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:42,809 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:39:42,810 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:39:42,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:39:42,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1260624514, now seen corresponding path program 25 times [2021-07-14 22:39:42,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:39:42,810 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29643082] [2021-07-14 22:39:42,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:39:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:39:43,882 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:43,882 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:39:43,882 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29643082] [2021-07-14 22:39:43,883 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29643082] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:43,883 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906604068] [2021-07-14 22:39:43,883 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 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 22:39:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:39:43,921 WARN L261 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 113 conjunts are in the unsatisfiable core [2021-07-14 22:39:43,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:39:45,074 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-14 22:39:45,297 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-14 22:39:45,548 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-14 22:39:45,800 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-14 22:39:46,037 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-14 22:39:46,262 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-14 22:39:46,534 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-14 22:39:46,787 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-14 22:39:46,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:46,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:39:46,874 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 113 treesize of output 75 [2021-07-14 22:39:46,898 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:46,922 INFO L628 ElimStorePlain]: treesize reduction 265, result has 4.0 percent of original size [2021-07-14 22:39:46,922 INFO L518 ElimStorePlain]: Eliminatee v_prenex_64 vanished before elimination [2021-07-14 22:39:46,922 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:39:46,922 INFO L518 ElimStorePlain]: Eliminatee v_prenex_63 vanished before elimination [2021-07-14 22:39:46,923 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:39:46,923 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:371, output treesize:11 [2021-07-14 22:39:46,974 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:46,974 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906604068] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:46,974 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:39:46,974 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 42 [2021-07-14 22:39:46,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884481605] [2021-07-14 22:39:46,975 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-14 22:39:46,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:39:46,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-14 22:39:46,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1621, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 22:39:46,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:46,976 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:39:46,976 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 42 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 22:39:46,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:46,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:46,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:46,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:46,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:46,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:46,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:46,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:46,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:46,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:46,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:46,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:46,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:46,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:46,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:46,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:46,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:46,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:39:46,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:46,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:39:46,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:46,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:46,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:46,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:39:46,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:39:46,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:39:46,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:46,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:52,355 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 123 [2021-07-14 22:39:52,630 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 130 [2021-07-14 22:39:53,011 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 129 [2021-07-14 22:39:53,312 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 130 [2021-07-14 22:39:53,627 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 130 [2021-07-14 22:39:53,913 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 130 [2021-07-14 22:39:54,197 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 130 [2021-07-14 22:39:54,628 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 130 [2021-07-14 22:39:54,890 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 130 [2021-07-14 22:39:55,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:55,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:55,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:55,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:55,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:39:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:39:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:39:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:39:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:39:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:55,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:39:55,346 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable243 [2021-07-14 22:39:55,347 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:39:55,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:39:55,347 INFO L82 PathProgramCache]: Analyzing trace with hash 444959202, now seen corresponding path program 26 times [2021-07-14 22:39:55,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:39:55,347 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944361726] [2021-07-14 22:39:55,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:39:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:39:55,631 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:55,631 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:39:55,632 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944361726] [2021-07-14 22:39:55,632 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944361726] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:55,632 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116598412] [2021-07-14 22:39:55,632 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 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 22:39:55,672 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:39:55,672 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:39:55,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-14 22:39:55,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:39:55,974 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 22:39:55,975 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:55,976 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 22:39:55,977 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:55,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:55,979 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 22:39:55,980 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:55,982 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 22:39:55,982 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:55,984 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 22:39:55,984 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:55,986 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 22:39:55,986 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:56,004 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 22:39:56,004 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:39:56,005 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 22:39:56,005 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 22:39:56,042 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:56,042 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116598412] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:56,042 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:39:56,042 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-07-14 22:39:56,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504162243] [2021-07-14 22:39:56,042 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 22:39:56,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:39:56,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 22:39:56,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 22:39:56,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:56,043 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:39:56,043 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 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 22:39:56,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:56,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:56,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:56,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:56,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:56,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:56,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:56,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:56,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:56,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:56,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:56,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:56,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:56,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:56,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:56,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:56,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:56,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:39:56,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:56,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:39:56,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:56,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:56,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:56,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:39:56,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:39:56,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:39:56,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:56,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:39:56,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:57,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:57,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:57,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:57,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:57,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:57,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:57,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:57,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:57,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:57,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:39:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:39:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:39:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:39:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:39:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:39:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:39:57,679 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable276 [2021-07-14 22:39:57,679 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:39:57,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:39:57,679 INFO L82 PathProgramCache]: Analyzing trace with hash 2113809594, now seen corresponding path program 27 times [2021-07-14 22:39:57,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:39:57,679 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732704893] [2021-07-14 22:39:57,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:39:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:39:57,953 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 22:39:57,953 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:39:57,953 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732704893] [2021-07-14 22:39:57,953 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732704893] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:57,953 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347825826] [2021-07-14 22:39:57,953 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 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 22:39:57,997 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-14 22:39:57,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:39:57,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-14 22:39:57,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:39:58,292 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:39:58,293 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 22:39:58,294 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:58,295 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 22:39:58,296 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:39:58,308 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 22:39:58,309 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:39:58,309 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:39:58,309 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 22:39:58,337 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 22:39:58,337 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347825826] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:58,337 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:39:58,338 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-07-14 22:39:58,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338295699] [2021-07-14 22:39:58,338 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 22:39:58,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:39:58,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 22:39:58,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 22:39:58,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:58,339 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:39:58,339 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 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 22:39:58,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:58,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:58,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:58,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:58,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:58,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:58,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:58,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:58,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:58,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:58,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:58,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:58,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:58,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:58,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:58,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:58,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:58,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:39:58,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:58,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:39:58,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:58,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:58,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:58,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:39:58,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:39:58,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:39:58,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:58,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:39:58,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:39:58,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:39:58,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:39:58,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:58,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:39:58,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:58,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:39:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:39:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:39:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:39:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:39:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:39:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:39:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:39:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:39:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:39:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:39:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:39:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:39:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:39:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:39:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:39:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:39:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:39:58,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:39:59,174 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable283,30 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:39:59,174 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:39:59,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:39:59,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1123892906, now seen corresponding path program 28 times [2021-07-14 22:39:59,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:39:59,175 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436591400] [2021-07-14 22:39:59,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:39:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:39:59,725 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:39:59,725 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:39:59,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436591400] [2021-07-14 22:39:59,725 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436591400] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:39:59,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879946766] [2021-07-14 22:39:59,725 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 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 22:39:59,763 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 22:39:59,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:39:59,765 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 125 conjunts are in the unsatisfiable core [2021-07-14 22:39:59,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:40:01,118 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-14 22:40:01,406 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-14 22:40:01,698 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-14 22:40:01,958 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-14 22:40:02,280 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-14 22:40:02,647 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-14 22:40:02,984 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-14 22:40:03,289 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-14 22:40:03,622 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-14 22:40:03,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:40:03,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:40:03,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 84 [2021-07-14 22:40:03,754 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:40:03,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:40:03,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:03,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 82 [2021-07-14 22:40:03,792 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:40:03,806 INFO L628 ElimStorePlain]: treesize reduction 176, result has 5.9 percent of original size [2021-07-14 22:40:03,806 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-14 22:40:03,806 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:40:03,806 INFO L518 ElimStorePlain]: Eliminatee v_prenex_79 vanished before elimination [2021-07-14 22:40:03,807 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:40:03,807 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:404, output treesize:11 [2021-07-14 22:40:03,867 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:40:03,867 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879946766] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:40:03,867 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:40:03,867 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 46 [2021-07-14 22:40:03,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883860167] [2021-07-14 22:40:03,867 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-14 22:40:03,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:40:03,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-14 22:40:03,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1959, Unknown=0, NotChecked=0, Total=2070 [2021-07-14 22:40:03,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:40:03,868 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:40:03,868 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 46 states have internal predecessors, (56), 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 22:40:03,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:40:03,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:40:03,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:40:03,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:40:03,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:40:03,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:40:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:40:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:40:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:40:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:40:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:40:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:40:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:40:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:40:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:40:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:40:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:40:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:40:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:40:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:40:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:40:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:40:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:40:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:40:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:40:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:40:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:40:03,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:40:04,269 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-07-14 22:40:10,993 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 130 [2021-07-14 22:40:11,320 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 133 [2021-07-14 22:40:11,698 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 133 [2021-07-14 22:40:12,086 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 133 [2021-07-14 22:40:12,446 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 133 [2021-07-14 22:40:12,811 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 133 [2021-07-14 22:40:13,164 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 133 [2021-07-14 22:40:13,556 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 133 [2021-07-14 22:40:13,851 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 132 [2021-07-14 22:40:14,158 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 132 [2021-07-14 22:40:14,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:40:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:40:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:40:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:40:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:40:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:40:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:40:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:40:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:40:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:40:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:40:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:40:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:40:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:40:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:40:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:40:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:40:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:40:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:40:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:40:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:40:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:40:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:40:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:40:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:14,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:40:14,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:40:14,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:40:14,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:40:14,648 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable285,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:40:14,649 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:40:14,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:40:14,649 INFO L82 PathProgramCache]: Analyzing trace with hash 501246650, now seen corresponding path program 29 times [2021-07-14 22:40:14,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:40:14,649 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639029283] [2021-07-14 22:40:14,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:40:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:40:15,025 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:40:15,025 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:40:15,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639029283] [2021-07-14 22:40:15,025 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639029283] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:40:15,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235718566] [2021-07-14 22:40:15,025 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 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 22:40:15,076 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-14 22:40:15,076 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:40:15,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 22:40:15,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:40:15,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:40:15,452 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 22:40:15,453 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:40:15,455 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 22:40:15,455 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:40:15,457 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 22:40:15,458 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 22:40:15,460 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:40:15,460 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 22:40:15,461 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 22:40:15,463 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 22:40:15,464 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 22:40:15,465 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 22:40:15,466 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 22:40:15,485 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-14 22:40:15,485 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:40:15,486 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 22:40:15,486 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 22:40:15,537 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:40:15,537 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235718566] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:40:15,537 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:40:15,537 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-07-14 22:40:15,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054610037] [2021-07-14 22:40:15,537 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 22:40:15,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:40:15,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 22:40:15,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 22:40:15,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:40:15,538 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:40:15,538 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 states have internal predecessors, (45), 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 22:40:15,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:40:15,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:40:15,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:40:15,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:40:17,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:40:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:40:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:40:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:40:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:40:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:40:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:40:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:40:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:40:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:40:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:40:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:40:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:40:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:40:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:40:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:40:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:40:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:40:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:40:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:40:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:40:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:40:17,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:40:17,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:40:17,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:17,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:40:17,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:40:17,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:40:17,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:40:17,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:40:17,477 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable317,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:40:17,478 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:40:17,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:40:17,478 INFO L82 PathProgramCache]: Analyzing trace with hash 696001250, now seen corresponding path program 30 times [2021-07-14 22:40:17,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:40:17,478 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775906503] [2021-07-14 22:40:17,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:40:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:40:17,842 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:40:17,842 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:40:17,842 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775906503] [2021-07-14 22:40:17,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775906503] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:40:17,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363545076] [2021-07-14 22:40:17,843 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 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 22:40:17,889 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-14 22:40:17,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:40:17,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 22:40:17,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:40:18,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:40:18,250 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 22:40:18,251 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:40:18,253 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 22:40:18,253 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:40:18,276 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 22:40:18,276 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:40:18,276 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:40:18,276 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 22:40:18,308 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:40:18,309 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363545076] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:40:18,309 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:40:18,309 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-07-14 22:40:18,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453033714] [2021-07-14 22:40:18,309 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 22:40:18,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:40:18,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 22:40:18,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 22:40:18,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:40:18,310 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:40:18,310 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 states have internal predecessors, (45), 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 22:40:18,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:40:18,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:40:18,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:40:18,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:40:18,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:40:18,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:40:18,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:40:18,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:40:18,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:40:18,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:40:18,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:18,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:40:18,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:40:18,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:40:18,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:40:18,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:40:18,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:40:18,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:40:18,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:40:18,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:40:18,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:40:18,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:18,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:40:18,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:40:18,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:40:18,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:40:18,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:18,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:40:18,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:40:18,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:40:18,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:40:18,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:40:18,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:40:19,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:40:19,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:40:19,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:40:19,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:40:19,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:40:19,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:40:19,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:40:19,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:40:19,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:40:19,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:40:19,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:19,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:40:19,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:40:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:40:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:40:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:40:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:40:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:40:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:40:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:40:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:40:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:40:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:40:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:40:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:40:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:40:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:40:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:40:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:40:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:40:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:40:19,367 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable324 [2021-07-14 22:40:19,367 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:40:19,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:40:19,367 INFO L82 PathProgramCache]: Analyzing trace with hash 121507202, now seen corresponding path program 31 times [2021-07-14 22:40:19,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:40:19,368 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170527170] [2021-07-14 22:40:19,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:40:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:40:20,264 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:40:20,264 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:40:20,264 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170527170] [2021-07-14 22:40:20,264 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170527170] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:40:20,264 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512108776] [2021-07-14 22:40:20,264 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 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 22:40:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:40:20,309 WARN L261 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 137 conjunts are in the unsatisfiable core [2021-07-14 22:40:20,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:40:21,917 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 22:40:22,255 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-14 22:40:22,616 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-14 22:40:22,908 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 22:40:23,226 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 22:40:23,519 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 22:40:23,821 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 22:40:24,162 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-14 22:40:24,492 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 22:40:24,830 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 22:40:24,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:40:24,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:24,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 89 [2021-07-14 22:40:24,944 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:40:24,976 INFO L628 ElimStorePlain]: treesize reduction 305, result has 3.5 percent of original size [2021-07-14 22:40:24,977 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:40:24,977 INFO L518 ElimStorePlain]: Eliminatee v_prenex_89 vanished before elimination [2021-07-14 22:40:24,977 INFO L518 ElimStorePlain]: Eliminatee v_prenex_90 vanished before elimination [2021-07-14 22:40:24,977 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:40:24,977 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:437, output treesize:11 [2021-07-14 22:40:25,037 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:40:25,038 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512108776] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:40:25,038 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:40:25,038 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 50 [2021-07-14 22:40:25,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798127238] [2021-07-14 22:40:25,038 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-07-14 22:40:25,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:40:25,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-07-14 22:40:25,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=2329, Unknown=0, NotChecked=0, Total=2450 [2021-07-14 22:40:25,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:40:25,039 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:40:25,039 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 1.2) internal successors, (60), 50 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 22:40:25,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:40:25,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:40:25,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:40:25,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:40:25,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:40:25,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:40:25,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:40:25,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:40:25,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:40:25,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:40:25,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:25,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:40:25,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:40:25,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:40:25,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:40:25,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:40:25,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:40:25,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:40:25,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:40:25,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:40:25,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:40:25,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:25,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:40:25,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:40:25,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:40:25,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:40:25,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:25,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:40:25,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:40:25,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:40:25,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:40:25,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:40:25,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:40:25,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:40:34,471 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 137 [2021-07-14 22:40:34,850 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 140 [2021-07-14 22:40:35,304 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 186 [2021-07-14 22:40:35,735 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 140 [2021-07-14 22:40:36,161 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 140 [2021-07-14 22:40:36,620 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 186 [2021-07-14 22:40:37,057 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 140 [2021-07-14 22:40:37,490 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 140 [2021-07-14 22:40:37,979 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 186 [2021-07-14 22:40:38,401 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 140 [2021-07-14 22:40:39,162 WARN L205 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 140 [2021-07-14 22:40:39,361 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2021-07-14 22:40:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:40:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:40:39,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:40:39,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:40:39,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:40:39,658 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable326 [2021-07-14 22:40:39,659 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:40:39,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:40:39,659 INFO L82 PathProgramCache]: Analyzing trace with hash -507939102, now seen corresponding path program 32 times [2021-07-14 22:40:39,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:40:39,659 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234307634] [2021-07-14 22:40:39,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:40:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:40:40,026 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:40:40,026 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:40:40,026 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234307634] [2021-07-14 22:40:40,026 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234307634] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:40:40,027 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642288587] [2021-07-14 22:40:40,027 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 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 22:40:40,070 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:40:40,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:40:40,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-14 22:40:40,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:40:40,529 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:40:40,529 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 22:40:40,530 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:40:40,531 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 22:40:40,532 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:40:40,534 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 7 treesize of output 5 [2021-07-14 22:40:40,534 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 22:40:40,536 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 22:40:40,536 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 22:40:40,538 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 22:40:40,539 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 22:40:40,541 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 22:40:40,542 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 22:40:40,560 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 22:40:40,560 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:40:40,561 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 22:40:40,561 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 22:40:40,602 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:40:40,602 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642288587] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:40:40,602 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:40:40,602 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-07-14 22:40:40,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176822699] [2021-07-14 22:40:40,602 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-14 22:40:40,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:40:40,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-14 22:40:40,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-07-14 22:40:40,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:40:40,603 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:40:40,603 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.2) internal successors, (48), 40 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 22:40:40,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:40:40,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:40:40,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:40:40,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:40:40,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:40:40,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:40:40,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:40:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:40:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:40:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:40:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:40:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:40:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:40:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:40:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:40:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:40:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:40:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:40:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:40:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:40:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:40:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:40:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:40:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:40:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:40:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:40:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:40:42,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:42,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:40:42,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:40:42,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:40:42,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:40:42,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:42,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:40:42,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:40:42,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:40:42,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:40:42,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:40:42,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:40:42,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:40:42,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:40:42,790 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable364 [2021-07-14 22:40:42,791 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:40:42,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:40:42,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1234486202, now seen corresponding path program 33 times [2021-07-14 22:40:42,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:40:42,791 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469038415] [2021-07-14 22:40:42,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:40:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:40:43,169 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:40:43,169 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:40:43,169 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469038415] [2021-07-14 22:40:43,169 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469038415] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:40:43,169 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015035085] [2021-07-14 22:40:43,169 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 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 22:40:43,227 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-14 22:40:43,227 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:40:43,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-14 22:40:43,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:40:43,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:40:43,659 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 22:40:43,660 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:40:43,662 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 22:40:43,663 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:40:43,679 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 22:40:43,679 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:40:43,680 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:40:43,680 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 22:40:43,716 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:40:43,716 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1015035085] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:40:43,716 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:40:43,716 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-07-14 22:40:43,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746282256] [2021-07-14 22:40:43,717 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-14 22:40:43,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:40:43,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-14 22:40:43,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-07-14 22:40:43,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:40:43,721 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:40:43,721 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.2) internal successors, (48), 40 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 22:40:43,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:40:43,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:40:43,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:40:43,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:40:43,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:40:43,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:40:43,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:40:43,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:40:43,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:40:43,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:40:43,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:43,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:40:43,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:40:43,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:40:43,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:40:43,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:40:43,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:40:43,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:40:43,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:40:43,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:40:43,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:40:43,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:43,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:40:43,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:40:43,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:40:43,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:40:43,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:43,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:40:43,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:40:43,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:40:43,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:40:43,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:40:43,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:40:43,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:40:43,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:40:43,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:40:44,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:40:44,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:40:44,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:40:44,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:40:44,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:40:44,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:40:44,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:40:44,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:40:44,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:40:44,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:40:44,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:40:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:40:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:40:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:40:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:40:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:40:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:40:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:40:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:40:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:40:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:40:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:40:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:40:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:40:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:40:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:40:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:40:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:40:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:40:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:40:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:40:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:40:44,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:40:44,827 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable371,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:40:44,827 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:40:44,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:40:44,827 INFO L82 PathProgramCache]: Analyzing trace with hash -365328470, now seen corresponding path program 34 times [2021-07-14 22:40:44,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:40:44,828 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194066139] [2021-07-14 22:40:44,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:40:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:40:45,323 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 24 [2021-07-14 22:40:45,860 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:40:45,861 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:40:45,861 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194066139] [2021-07-14 22:40:45,861 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194066139] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:40:45,861 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697948518] [2021-07-14 22:40:45,861 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 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 22:40:45,909 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 22:40:45,909 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:40:45,911 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 149 conjunts are in the unsatisfiable core [2021-07-14 22:40:45,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:40:47,770 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-14 22:40:48,115 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-14 22:40:48,465 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-14 22:40:48,876 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-14 22:40:49,192 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-14 22:40:49,578 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-14 22:40:49,979 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-14 22:40:50,472 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-14 22:40:50,867 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-14 22:40:51,297 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-14 22:40:51,741 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-14 22:40:51,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,867 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:40:51,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:40:51,940 INFO L244 Elim1Store]: Index analysis took 105 ms [2021-07-14 22:40:51,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 96 [2021-07-14 22:40:51,946 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:40:51,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:40:51,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:51,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:52,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:40:52,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 98 [2021-07-14 22:40:52,009 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:40:52,041 INFO L628 ElimStorePlain]: treesize reduction 204, result has 5.1 percent of original size [2021-07-14 22:40:52,041 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-14 22:40:52,041 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:40:52,041 INFO L518 ElimStorePlain]: Eliminatee v_prenex_110 vanished before elimination [2021-07-14 22:40:52,042 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:40:52,042 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:470, output treesize:11 [2021-07-14 22:40:52,050 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:40:52,050 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697948518] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:40:52,050 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:40:52,050 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 53 [2021-07-14 22:40:52,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140027562] [2021-07-14 22:40:52,051 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-14 22:40:52,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:40:52,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-14 22:40:52,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=2628, Unknown=0, NotChecked=0, Total=2756 [2021-07-14 22:40:52,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:40:52,051 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:40:52,052 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.1320754716981132) internal successors, (60), 53 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 22:40:52,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:40:52,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:40:52,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:40:52,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:40:52,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:40:52,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:40:52,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:40:52,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:40:52,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:40:52,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:40:52,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:52,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:40:52,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:40:52,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:40:52,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:40:52,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:40:52,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:40:52,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:40:52,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:40:52,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:40:52,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:40:52,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:52,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:40:52,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:40:52,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:40:52,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:40:52,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:40:52,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:40:52,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:40:52,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:40:52,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:40:52,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:40:52,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:40:52,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:40:52,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:40:52,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:40:52,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:41:05,114 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 141 [2021-07-14 22:41:05,531 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 95 [2021-07-14 22:41:06,004 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 95 [2021-07-14 22:41:06,356 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 144 [2021-07-14 22:41:06,799 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 95 [2021-07-14 22:41:07,280 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 95 [2021-07-14 22:41:07,658 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 149 [2021-07-14 22:41:08,047 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 149 [2021-07-14 22:41:08,440 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 149 [2021-07-14 22:41:08,892 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 150 [2021-07-14 22:41:09,277 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 149 [2021-07-14 22:41:09,749 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 150 [2021-07-14 22:41:10,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:41:10,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:41:10,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:41:10,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:41:10,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:41:10,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:41:10,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:41:10,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:41:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:41:10,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:41:10,296 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable373,37 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:41:10,296 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:41:10,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:41:10,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1580024250, now seen corresponding path program 35 times [2021-07-14 22:41:10,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:41:10,297 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130713379] [2021-07-14 22:41:10,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:41:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:41:10,716 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:41:10,716 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:41:10,716 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130713379] [2021-07-14 22:41:10,716 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130713379] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:41:10,717 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656635071] [2021-07-14 22:41:10,717 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 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 22:41:10,768 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-14 22:41:10,768 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:41:10,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-14 22:41:10,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:41:11,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:41:11,252 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 22:41:11,253 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:41:11,255 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 22:41:11,255 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:41:11,257 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 22:41:11,258 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 22:41:11,259 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 22:41:11,260 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 22:41:11,262 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 22:41:11,263 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 22:41:11,264 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 22:41:11,265 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 22:41:11,283 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 22:41:11,283 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:41:11,284 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 22:41:11,284 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 22:41:11,328 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:41:11,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1656635071] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:41:11,328 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:41:11,328 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-07-14 22:41:11,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944758471] [2021-07-14 22:41:11,328 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-14 22:41:11,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:41:11,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-14 22:41:11,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-07-14 22:41:11,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:41:11,329 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:41:11,329 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 states have internal predecessors, (51), 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 22:41:11,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:41:11,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:41:11,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:41:11,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:41:11,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:41:11,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:41:11,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:41:11,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:41:13,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:41:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:41:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:41:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:41:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:41:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:41:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:41:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:41:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:41:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:41:13,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable409,38 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:41:13,753 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:41:13,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:41:13,753 INFO L82 PathProgramCache]: Analyzing trace with hash -239366174, now seen corresponding path program 36 times [2021-07-14 22:41:13,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:41:13,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790811107] [2021-07-14 22:41:13,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:41:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:41:14,163 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:41:14,163 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:41:14,163 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790811107] [2021-07-14 22:41:14,163 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790811107] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:41:14,163 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781212266] [2021-07-14 22:41:14,163 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 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 22:41:14,212 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-14 22:41:14,212 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:41:14,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-14 22:41:14,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:41:14,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:41:14,663 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 22:41:14,663 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:41:14,665 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 22:41:14,666 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:41:14,687 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 22:41:14,688 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:41:14,688 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:41:14,688 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 22:41:14,723 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:41:14,724 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781212266] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:41:14,724 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:41:14,724 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-07-14 22:41:14,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596148018] [2021-07-14 22:41:14,724 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-14 22:41:14,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:41:14,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-14 22:41:14,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-07-14 22:41:14,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:41:14,725 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:41:14,725 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 states have internal predecessors, (51), 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 22:41:14,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:41:14,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:41:14,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:41:14,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:41:14,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:41:14,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:41:14,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:41:14,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:41:14,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:41:14,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:41:14,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:14,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:41:14,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:41:14,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:41:14,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:41:14,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:14,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:14,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:41:14,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:41:14,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:41:14,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:41:14,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:14,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:41:14,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:41:14,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:41:14,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:41:14,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:14,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:41:14,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:41:14,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:41:14,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:41:14,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:41:14,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:41:14,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:41:14,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:41:14,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:41:14,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:41:14,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:41:14,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:41:15,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:41:15,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:41:15,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:41:15,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:41:15,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:41:15,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:41:15,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:41:15,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:41:15,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:41:15,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:16,035 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable416,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:41:16,035 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:41:16,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:41:16,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1189888130, now seen corresponding path program 37 times [2021-07-14 22:41:16,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:41:16,036 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705396267] [2021-07-14 22:41:16,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:41:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:41:17,134 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:41:17,135 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:41:17,135 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705396267] [2021-07-14 22:41:17,135 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705396267] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:41:17,135 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665317863] [2021-07-14 22:41:17,135 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 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 22:41:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:41:17,181 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 161 conjunts are in the unsatisfiable core [2021-07-14 22:41:17,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:41:19,321 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 22:41:19,678 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-14 22:41:20,086 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 22:41:20,518 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 22:41:20,975 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 22:41:21,413 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 22:41:21,854 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 22:41:22,314 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 22:41:22,686 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-14 22:41:23,130 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 22:41:23,587 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 22:41:24,000 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-14 22:41:24,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:41:24,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:41:24,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 103 [2021-07-14 22:41:24,136 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:41:24,173 INFO L628 ElimStorePlain]: treesize reduction 349, result has 3.1 percent of original size [2021-07-14 22:41:24,173 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:41:24,173 INFO L518 ElimStorePlain]: Eliminatee v_prenex_131 vanished before elimination [2021-07-14 22:41:24,173 INFO L518 ElimStorePlain]: Eliminatee v_prenex_132 vanished before elimination [2021-07-14 22:41:24,174 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:41:24,174 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:503, output treesize:11 [2021-07-14 22:41:24,245 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:41:24,245 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665317863] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:41:24,245 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:41:24,245 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30] total 58 [2021-07-14 22:41:24,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662962432] [2021-07-14 22:41:24,246 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-07-14 22:41:24,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:41:24,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-07-14 22:41:24,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=3165, Unknown=0, NotChecked=0, Total=3306 [2021-07-14 22:41:24,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:41:24,246 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:41:24,247 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 1.1724137931034482) internal successors, (68), 58 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 22:41:24,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:41:24,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:41:24,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:41:24,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:41:24,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:41:24,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:41:24,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:41:24,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:41:24,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:41:24,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:41:24,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:24,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:41:24,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:41:24,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:41:24,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:41:24,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:24,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:24,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:41:24,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:41:24,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:41:24,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:41:24,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:24,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:41:24,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:41:24,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:41:24,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:41:24,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:24,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:41:24,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:41:24,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:41:24,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:41:24,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:41:24,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:41:24,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:41:24,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:41:24,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:41:24,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:41:24,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:41:24,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:24,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:41:35,733 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2021-07-14 22:41:38,197 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 101 [2021-07-14 22:41:38,697 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 163 [2021-07-14 22:41:39,262 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 163 [2021-07-14 22:41:39,837 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 163 [2021-07-14 22:41:40,390 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 163 [2021-07-14 22:41:40,970 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 163 [2021-07-14 22:41:41,558 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 163 [2021-07-14 22:41:42,125 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 163 [2021-07-14 22:41:42,696 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 163 [2021-07-14 22:41:43,280 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 163 [2021-07-14 22:41:43,854 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 163 [2021-07-14 22:41:44,455 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 163 [2021-07-14 22:41:45,015 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 163 [2021-07-14 22:41:45,306 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2021-07-14 22:41:45,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:41:45,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:41:45,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:41:45,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:41:45,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:41:45,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:41:45,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:41:45,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:41:45,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:45,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 22:41:45,645 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable418,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:41:45,645 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:41:45,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:41:45,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1747868702, now seen corresponding path program 38 times [2021-07-14 22:41:45,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:41:45,646 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482518253] [2021-07-14 22:41:45,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:41:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:41:46,125 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:41:46,125 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:41:46,125 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482518253] [2021-07-14 22:41:46,125 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482518253] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:41:46,125 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109109174] [2021-07-14 22:41:46,125 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 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 22:41:46,171 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:41:46,171 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:41:46,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-14 22:41:46,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:41:46,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:41:46,696 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 22:41:46,697 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:41:46,698 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 22:41:46,699 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:41:46,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:41:46,701 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 22:41:46,701 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 22:41:46,703 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 22:41:46,704 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 22:41:46,706 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 22:41:46,707 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 22:41:46,708 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 22:41:46,708 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 22:41:46,727 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 22:41:46,727 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:41:46,727 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 22:41:46,727 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 22:41:46,775 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:41:46,775 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109109174] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:41:46,775 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:41:46,775 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-07-14 22:41:46,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759740593] [2021-07-14 22:41:46,775 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-14 22:41:46,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:41:46,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-14 22:41:46,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-07-14 22:41:46,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:41:46,776 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:41:46,776 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.173913043478261) internal successors, (54), 46 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 22:41:46,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:41:46,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:41:46,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:41:46,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:41:46,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:41:46,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:41:46,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:41:46,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:41:46,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:41:46,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:41:46,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:46,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 22:41:46,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:41:49,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:41:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:41:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:41:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:41:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:41:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:41:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:41:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:41:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:41:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:41:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:41:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:41:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:41:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:41:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:41:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:41:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:41:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:41:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:41:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:41:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:41:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:41:49,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:49,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:41:49,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:41:49,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:41:49,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:41:49,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:41:49,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:41:49,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:41:49,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:41:49,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:41:49,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:41:49,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:41:49,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:49,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 22:41:49,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 22:41:49,291 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable456,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:41:49,291 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:41:49,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:41:49,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1980570298, now seen corresponding path program 39 times [2021-07-14 22:41:49,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:41:49,312 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258948377] [2021-07-14 22:41:49,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:41:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:41:49,852 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:41:49,852 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:41:49,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258948377] [2021-07-14 22:41:49,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258948377] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:41:49,853 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536004825] [2021-07-14 22:41:49,853 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 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 22:41:49,905 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-14 22:41:49,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:41:49,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-14 22:41:49,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:41:50,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:41:50,436 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 22:41:50,437 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:41:50,439 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 22:41:50,439 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:41:50,454 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 22:41:50,454 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:41:50,454 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:41:50,454 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 22:41:50,493 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:41:50,493 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536004825] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:41:50,493 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:41:50,493 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-07-14 22:41:50,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300193732] [2021-07-14 22:41:50,494 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-14 22:41:50,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:41:50,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-14 22:41:50,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-07-14 22:41:50,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:41:50,494 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:41:50,495 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.173913043478261) internal successors, (54), 46 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 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:41:50,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:50,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:41:50,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:41:50,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:41:50,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:41:50,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:41:50,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:41:50,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:41:50,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:41:50,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:41:50,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:41:50,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:41:50,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:50,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 22:41:50,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 22:41:50,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:41:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:41:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:41:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:41:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:41:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:41:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:41:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:41:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:41:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:41:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:41:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:41:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:41:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:41:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:41:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:41:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:41:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:41:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:41:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:41:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:41:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:41:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:41:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:41:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:41:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:41:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:41:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:41:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:41:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:41:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:41:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:41:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:41:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:41:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:41:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:41:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 22:41:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 22:41:51,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:41:51,964 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable463 [2021-07-14 22:41:51,964 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:41:51,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:41:51,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1288442026, now seen corresponding path program 40 times [2021-07-14 22:41:51,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:41:51,965 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348160736] [2021-07-14 22:41:51,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:41:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:41:53,121 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:41:53,122 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:41:53,122 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348160736] [2021-07-14 22:41:53,122 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348160736] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:41:53,122 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086854696] [2021-07-14 22:41:53,122 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 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 22:41:53,172 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 22:41:53,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:41:53,176 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 173 conjunts are in the unsatisfiable core [2021-07-14 22:41:53,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:41:55,232 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2021-07-14 22:41:55,736 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-14 22:41:56,185 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 22:41:56,680 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-14 22:41:57,081 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 22:41:57,562 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-14 22:41:58,014 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 22:41:58,441 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 22:41:58,867 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 22:41:59,351 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-14 22:41:59,846 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-14 22:42:00,284 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 22:42:00,729 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 22:42:01,778 WARN L205 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 22:42:01,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:42:01,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:42:01,984 INFO L244 Elim1Store]: Index analysis took 123 ms [2021-07-14 22:42:01,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 91 disjoint index pairs (out of 105 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 112 [2021-07-14 22:42:01,989 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:42:01,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:01,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:42:02,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:02,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 91 disjoint index pairs (out of 105 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 110 [2021-07-14 22:42:02,056 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:42:02,071 INFO L628 ElimStorePlain]: treesize reduction 226, result has 4.6 percent of original size [2021-07-14 22:42:02,071 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:42:02,071 INFO L518 ElimStorePlain]: Eliminatee v_prenex_145 vanished before elimination [2021-07-14 22:42:02,071 INFO L518 ElimStorePlain]: Eliminatee v_prenex_146 vanished before elimination [2021-07-14 22:42:02,071 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:42:02,071 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:536, output treesize:11 [2021-07-14 22:42:02,148 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:42:02,149 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086854696] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:42:02,149 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:42:02,149 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32] total 62 [2021-07-14 22:42:02,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043626735] [2021-07-14 22:42:02,149 INFO L462 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-07-14 22:42:02,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:42:02,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-07-14 22:42:02,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=3631, Unknown=0, NotChecked=0, Total=3782 [2021-07-14 22:42:02,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:42:02,150 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:42:02,150 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 62 states, 62 states have (on average 1.1612903225806452) internal successors, (72), 62 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 22:42:02,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:42:02,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:42:02,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:42:02,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:42:02,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:42:02,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:42:02,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:42:02,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:42:02,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:42:02,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 22:42:02,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 22:42:02,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:42:02,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:42:17,856 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2021-07-14 22:42:20,895 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2021-07-14 22:42:21,503 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 167 [2021-07-14 22:42:22,252 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 167 [2021-07-14 22:42:22,921 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 167 [2021-07-14 22:42:23,576 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 167 [2021-07-14 22:42:24,262 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 167 [2021-07-14 22:42:24,957 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 167 [2021-07-14 22:42:25,680 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 225 [2021-07-14 22:42:26,381 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 225 [2021-07-14 22:42:26,990 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 167 [2021-07-14 22:42:27,635 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 167 [2021-07-14 22:42:28,312 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 167 [2021-07-14 22:42:29,038 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 167 [2021-07-14 22:42:29,727 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 167 [2021-07-14 22:42:30,381 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2021-07-14 22:42:30,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:42:30,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:42:30,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:42:30,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:42:30,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:42:30,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:42:30,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:42:30,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:42:30,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:42:30,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:42:30,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:42:30,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:42:30,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:42:30,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:42:30,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:42:30,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:42:30,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:42:30,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:42:30,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:42:30,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:42:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:42:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:42:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:42:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:42:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:42:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:42:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:42:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:42:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:42:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:42:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:42:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:42:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:42:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:42:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:42:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:42:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:42:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:42:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:42:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 22:42:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 22:42:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:42:30,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 22:42:30,772 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable465 [2021-07-14 22:42:30,772 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:42:30,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:42:30,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1307302074, now seen corresponding path program 41 times [2021-07-14 22:42:30,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:42:30,773 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312482902] [2021-07-14 22:42:30,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:42:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:42:31,349 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:42:31,350 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:42:31,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312482902] [2021-07-14 22:42:31,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312482902] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:42:31,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459186957] [2021-07-14 22:42:31,350 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 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 22:42:31,413 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-07-14 22:42:31,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:42:31,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-14 22:42:31,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:42:32,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:42:32,014 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 22:42:32,015 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:42:32,017 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 22:42:32,018 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:42:32,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:42:32,020 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 22:42:32,021 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 22:42:32,022 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 22:42:32,023 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 22:42:32,024 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 22:42:32,025 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 22:42:32,027 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 22:42:32,027 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 22:42:32,046 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 22:42:32,047 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:42:32,047 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 22:42:32,047 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 22:42:32,097 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:42:32,098 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459186957] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:42:32,098 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:42:32,098 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-07-14 22:42:32,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560208342] [2021-07-14 22:42:32,098 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-14 22:42:32,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:42:32,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-14 22:42:32,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-07-14 22:42:32,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:42:32,099 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:42:32,099 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 1.163265306122449) internal successors, (57), 49 states have internal predecessors, (57), 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 22:42:32,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:42:32,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:42:32,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:42:32,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:42:32,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:42:32,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:42:32,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:42:32,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:42:32,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:42:32,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:42:32,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:42:32,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 22:42:32,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 22:42:32,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:42:32,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-14 22:42:32,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:42:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:42:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:42:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:42:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:42:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:42:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:42:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:42:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:42:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:42:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:42:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:42:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:42:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:42:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:42:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:42:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:42:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:42:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:42:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:42:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:42:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:42:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:42:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:42:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:42:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:42:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:42:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:42:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:42:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:42:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:42:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:42:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:42:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:42:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:42:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:42:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:42:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:42:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:42:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:42:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 22:42:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 22:42:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:42:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 22:42:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 22:42:34,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable510 [2021-07-14 22:42:34,856 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:42:34,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:42:34,856 INFO L82 PathProgramCache]: Analyzing trace with hash 924794082, now seen corresponding path program 42 times [2021-07-14 22:42:34,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:42:34,856 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577558274] [2021-07-14 22:42:34,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:42:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:42:35,419 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:42:35,420 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:42:35,420 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577558274] [2021-07-14 22:42:35,420 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577558274] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:42:35,420 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590598438] [2021-07-14 22:42:35,420 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 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 22:42:35,475 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-07-14 22:42:35,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:42:35,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-14 22:42:35,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:42:36,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:42:36,067 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 22:42:36,068 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:42:36,069 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 22:42:36,070 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:42:36,084 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 22:42:36,084 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:42:36,085 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:42:36,085 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 22:42:36,127 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:42:36,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590598438] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:42:36,128 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:42:36,128 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-07-14 22:42:36,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149488595] [2021-07-14 22:42:36,128 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-14 22:42:36,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:42:36,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-14 22:42:36,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-07-14 22:42:36,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:42:36,129 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:42:36,129 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 1.163265306122449) internal successors, (57), 49 states have internal predecessors, (57), 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 22:42:36,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:42:36,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:42:36,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:42:36,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:42:36,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:42:36,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:42:36,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:42:36,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:42:36,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:42:36,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 22:42:36,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 22:42:36,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:42:36,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-14 22:42:36,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 22:42:36,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:42:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:42:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:42:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:42:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:42:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:42:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:42:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:42:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:42:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:42:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:42:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:42:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:42:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:42:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:42:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:42:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:42:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:42:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:42:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:42:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:42:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:42:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:42:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:42:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:42:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:42:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:42:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:42:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:42:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:42:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:42:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:42:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:42:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:42:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:42:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:42:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:42:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:42:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:42:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:42:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 22:42:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 22:42:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:42:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 22:42:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 22:42:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:42:37,724 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable517 [2021-07-14 22:42:37,724 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:42:37,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:42:37,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1375849598, now seen corresponding path program 43 times [2021-07-14 22:42:37,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:42:37,725 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802687004] [2021-07-14 22:42:37,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:42:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:42:39,163 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:42:39,163 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:42:39,163 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802687004] [2021-07-14 22:42:39,163 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802687004] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:42:39,163 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547797888] [2021-07-14 22:42:39,163 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 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:42:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:42:39,221 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 185 conjunts are in the unsatisfiable core [2021-07-14 22:42:39,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:42:41,543 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-07-14 22:42:41,991 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-14 22:42:42,572 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-14 22:42:43,099 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-14 22:42:43,576 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-14 22:42:44,057 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-14 22:42:44,502 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-14 22:42:44,991 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-14 22:42:45,634 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-14 22:42:46,209 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-14 22:42:46,785 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-14 22:42:47,298 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-14 22:42:47,793 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-14 22:42:48,423 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-14 22:42:48,952 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-14 22:42:49,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:42:49,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:42:49,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 117 [2021-07-14 22:42:49,113 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:42:49,159 INFO L628 ElimStorePlain]: treesize reduction 393, result has 2.7 percent of original size [2021-07-14 22:42:49,159 INFO L518 ElimStorePlain]: Eliminatee v_prenex_161 vanished before elimination [2021-07-14 22:42:49,159 INFO L518 ElimStorePlain]: Eliminatee v_prenex_162 vanished before elimination [2021-07-14 22:42:49,159 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:42:49,160 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:42:49,160 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:569, output treesize:11 [2021-07-14 22:42:49,247 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:42:49,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547797888] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:42:49,247 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:42:49,247 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34] total 66 [2021-07-14 22:42:49,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597184721] [2021-07-14 22:42:49,247 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-07-14 22:42:49,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:42:49,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-07-14 22:42:49,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=4129, Unknown=0, NotChecked=0, Total=4290 [2021-07-14 22:42:49,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:42:49,248 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:42:49,249 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 1.1515151515151516) internal successors, (76), 66 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 22:42:49,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:42:49,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:42:49,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:42:49,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:42:49,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:42:49,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:42:49,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:42:49,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:42:49,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:42:49,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:42:49,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:42:49,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:42:49,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:42:49,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:42:49,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:42:49,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:42:49,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:42:49,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:42:49,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:43:08,834 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2021-07-14 22:43:12,337 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 114 [2021-07-14 22:43:13,011 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 117 [2021-07-14 22:43:13,706 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 117 [2021-07-14 22:43:14,424 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 117 [2021-07-14 22:43:14,982 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 178 [2021-07-14 22:43:15,795 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 117 [2021-07-14 22:43:16,446 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 117 [2021-07-14 22:43:17,127 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 117 [2021-07-14 22:43:17,796 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 117 [2021-07-14 22:43:18,473 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 184 [2021-07-14 22:43:19,096 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 183 [2021-07-14 22:43:19,714 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 183 [2021-07-14 22:43:20,366 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 184 [2021-07-14 22:43:21,023 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 183 [2021-07-14 22:43:21,736 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 184 [2021-07-14 22:43:22,052 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-07-14 22:43:22,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:43:22,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:43:22,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:43:22,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:43:22,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:43:22,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:43:22,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:43:22,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:43:22,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:43:22,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:43:22,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:43:22,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:43:22,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 22:43:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:43:22,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 22:43:22,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 22:43:22,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:43:22,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-07-14 22:43:22,476 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable519,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:43:22,476 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:43:22,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:43:22,478 INFO L82 PathProgramCache]: Analyzing trace with hash 318640354, now seen corresponding path program 44 times [2021-07-14 22:43:22,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:43:22,478 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513269519] [2021-07-14 22:43:22,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:43:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:43:23,084 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:43:23,085 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:43:23,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513269519] [2021-07-14 22:43:23,085 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513269519] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:43:23,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553780695] [2021-07-14 22:43:23,085 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 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:43:23,144 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:43:23,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:43:23,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-07-14 22:43:23,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:43:23,817 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 22:43:23,818 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:43:23,820 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 22:43:23,820 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:43:23,823 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:43:23,823 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 22:43:23,824 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 22:43:23,826 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 22:43:23,827 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 22:43:23,829 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 22:43:23,830 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 22:43:23,831 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 22:43:23,832 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 22:43:23,855 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-14 22:43:23,855 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:43:23,855 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 22:43:23,855 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 22:43:23,907 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:43:23,907 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553780695] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:43:23,907 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:43:23,907 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-07-14 22:43:23,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623108839] [2021-07-14 22:43:23,908 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-14 22:43:23,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:43:23,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-14 22:43:23,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-07-14 22:43:23,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:43:23,909 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:43:23,909 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.1538461538461537) internal successors, (60), 52 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 22:43:23,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:43:23,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:43:23,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:43:23,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:43:23,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:43:23,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:43:23,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:43:23,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:43:23,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:43:23,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:43:23,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:43:23,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:43:23,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:43:23,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:43:23,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:43:23,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:43:23,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:43:23,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:43:23,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:43:23,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:43:23,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:43:23,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:43:23,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:43:23,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:43:23,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:43:23,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:43:23,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:43:23,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:43:23,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:43:23,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:43:23,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:43:23,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:43:23,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:43:23,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:43:23,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:43:23,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:43:23,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:43:23,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:43:23,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:43:23,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 22:43:23,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 22:43:23,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:43:23,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-14 22:43:23,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 22:43:23,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:43:23,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-07-14 22:43:23,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:43:26,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:43:26,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:43:26,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:43:26,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:43:26,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:43:26,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:43:26,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:43:26,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:43:26,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:43:26,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:43:26,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:43:26,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:43:26,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:43:26,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:43:26,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 22:43:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:43:26,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-07-14 22:43:26,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 22:43:27,168 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable566 [2021-07-14 22:43:27,168 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:43:27,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:43:27,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1345794490, now seen corresponding path program 45 times [2021-07-14 22:43:27,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:43:27,169 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453291636] [2021-07-14 22:43:27,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:43:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:43:27,767 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:43:27,768 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:43:27,768 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453291636] [2021-07-14 22:43:27,768 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453291636] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:43:27,768 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322086947] [2021-07-14 22:43:27,768 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 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:43:27,826 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-14 22:43:27,826 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:43:27,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-07-14 22:43:27,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:43:28,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:43:28,507 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 22:43:28,507 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:43:28,509 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 22:43:28,510 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:43:28,523 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 22:43:28,523 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:43:28,524 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:43:28,524 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 22:43:28,567 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:43:28,567 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322086947] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:43:28,567 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:43:28,567 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-07-14 22:43:28,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878276204] [2021-07-14 22:43:28,567 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-14 22:43:28,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:43:28,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-14 22:43:28,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-07-14 22:43:28,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:43:28,568 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:43:28,568 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.1538461538461537) internal successors, (60), 52 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 22:43:28,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:43:28,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:43:28,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:43:28,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:43:28,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:43:28,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:43:28,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:43:28,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:43:28,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:43:28,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:43:28,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 22:43:28,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 22:43:28,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:43:28,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-14 22:43:28,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 22:43:28,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:43:28,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-07-14 22:43:28,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 22:43:28,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:43:30,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:43:30,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:43:30,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:43:30,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:43:30,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:43:30,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:43:30,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:43:30,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:43:30,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:43:30,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:43:30,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:43:30,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:43:30,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:43:30,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:43:30,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:43:30,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:43:30,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:43:30,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:43:30,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:43:30,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:43:30,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:43:30,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:43:30,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:43:30,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:43:30,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:43:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:43:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:43:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:43:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:43:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:43:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:43:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:43:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:43:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:43:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:43:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:43:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:43:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:43:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:43:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 22:43:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 22:43:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:43:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 22:43:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 22:43:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:43:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-07-14 22:43:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 22:43:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:43:30,231 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable573,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:43:30,231 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:43:30,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:43:30,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1209738838, now seen corresponding path program 46 times [2021-07-14 22:43:30,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:43:30,232 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655958958] [2021-07-14 22:43:30,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:43:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:43:32,033 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:43:32,033 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:43:32,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655958958] [2021-07-14 22:43:32,033 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655958958] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:43:32,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751480768] [2021-07-14 22:43:32,033 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 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:43:32,086 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 22:43:32,087 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:43:32,089 WARN L261 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 197 conjunts are in the unsatisfiable core [2021-07-14 22:43:32,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:43:34,817 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-07-14 22:43:35,366 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-14 22:43:35,900 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-14 22:43:36,527 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 22:43:37,138 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 22:43:37,672 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-14 22:43:38,302 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 22:43:38,884 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-14 22:43:39,488 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 22:43:40,124 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 22:43:40,793 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 22:43:41,362 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-14 22:43:41,994 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 22:43:42,561 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-14 22:43:43,179 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 22:43:43,827 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 22:43:43,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,975 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:43:43,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:43,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:43:44,079 INFO L244 Elim1Store]: Index analysis took 162 ms [2021-07-14 22:43:44,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 124 [2021-07-14 22:43:44,094 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:43:44,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:43:44,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:43:44,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 126 [2021-07-14 22:43:44,174 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:43:44,190 INFO L628 ElimStorePlain]: treesize reduction 242, result has 4.3 percent of original size [2021-07-14 22:43:44,190 INFO L518 ElimStorePlain]: Eliminatee v_prenex_183 vanished before elimination [2021-07-14 22:43:44,190 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:43:44,190 INFO L518 ElimStorePlain]: Eliminatee v_prenex_184 vanished before elimination [2021-07-14 22:43:44,190 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:43:44,190 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:602, output treesize:11 [2021-07-14 22:43:44,285 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:43:44,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751480768] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:43:44,285 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:43:44,285 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36] total 70 [2021-07-14 22:43:44,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580295637] [2021-07-14 22:43:44,286 INFO L462 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-07-14 22:43:44,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:43:44,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-07-14 22:43:44,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=4659, Unknown=0, NotChecked=0, Total=4830 [2021-07-14 22:43:44,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:43:44,287 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:43:44,287 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 70 states, 70 states have (on average 1.1428571428571428) internal successors, (80), 70 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 22:43:44,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:43:44,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:43:44,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:43:44,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:43:44,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:43:44,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:43:44,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:43:44,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:43:44,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:43:44,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:43:44,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:43:44,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:43:44,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:43:44,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:43:44,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:43:44,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:43:44,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-07-14 22:43:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 22:43:44,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:43:44,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:07,915 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 101 [2021-07-14 22:44:12,126 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 182 [2021-07-14 22:44:13,037 WARN L205 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 185 [2021-07-14 22:44:13,931 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 185 [2021-07-14 22:44:14,782 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 185 [2021-07-14 22:44:15,777 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 185 [2021-07-14 22:44:16,626 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 185 [2021-07-14 22:44:17,545 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 251 [2021-07-14 22:44:18,433 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 185 [2021-07-14 22:44:19,350 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 251 [2021-07-14 22:44:20,299 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 251 [2021-07-14 22:44:21,242 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 251 [2021-07-14 22:44:22,130 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 185 [2021-07-14 22:44:23,060 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 251 [2021-07-14 22:44:24,009 WARN L205 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 251 [2021-07-14 22:44:24,942 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 251 [2021-07-14 22:44:25,833 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 251 [2021-07-14 22:44:26,236 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 106 [2021-07-14 22:44:26,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:26,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:26,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:26,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:26,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:44:26,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:26,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:44:26,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:44:26,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:44:26,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:44:26,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:26,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:44:26,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 22:44:26,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 22:44:26,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:44:26,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-07-14 22:44:26,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 22:44:26,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:44:26,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 22:44:26,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable575 [2021-07-14 22:44:26,652 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:44:26,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:44:26,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1173106618, now seen corresponding path program 47 times [2021-07-14 22:44:26,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:44:26,652 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632632065] [2021-07-14 22:44:26,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:44:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:27,393 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 17 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:27,393 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:44:27,393 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632632065] [2021-07-14 22:44:27,393 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632632065] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:27,393 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33018330] [2021-07-14 22:44:27,394 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 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:44:27,458 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-07-14 22:44:27,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:44:27,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 74 conjunts are in the unsatisfiable core [2021-07-14 22:44:27,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:44:28,248 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 22:44:28,249 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:44:28,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:44:28,251 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 22:44:28,252 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:44:28,253 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 22:44:28,254 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 22:44:28,256 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 22:44:28,256 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 22:44:28,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:44:28,259 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 22:44:28,259 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 22:44:28,261 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 22:44:28,262 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 22:44:28,283 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-14 22:44:28,283 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:44:28,283 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 22:44:28,283 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 22:44:28,338 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 17 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:28,338 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33018330] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:28,338 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:44:28,338 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 55 [2021-07-14 22:44:28,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126383602] [2021-07-14 22:44:28,339 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-14 22:44:28,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:44:28,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-14 22:44:28,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2829, Unknown=0, NotChecked=0, Total=2970 [2021-07-14 22:44:28,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:28,339 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:44:28,340 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 55 states have internal predecessors, (63), 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 22:44:28,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:28,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:28,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:28,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:28,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:44:28,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:28,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:44:28,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:44:28,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:44:28,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:44:28,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:28,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:44:28,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:44:28,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:44:28,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:44:28,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:44:28,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:44:28,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:44:28,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:44:28,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:44:28,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:44:28,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:28,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:44:28,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:44:28,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:44:28,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:44:28,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:28,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:44:28,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:44:28,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:44:28,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:44:28,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:44:28,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:44:28,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:44:28,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:44:28,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:44:28,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:44:28,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:44:28,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:44:28,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 22:44:28,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 22:44:28,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:44:28,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-14 22:44:28,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 22:44:28,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:44:28,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-07-14 22:44:28,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 22:44:28,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:44:28,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 22:44:28,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:31,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:31,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:31,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:31,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:31,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:44:31,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:31,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:44:31,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:44:31,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:44:31,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:44:31,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:31,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:44:31,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:44:31,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:44:31,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:44:31,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-07-14 22:44:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 22:44:31,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:44:31,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 22:44:31,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-14 22:44:32,035 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable622 [2021-07-14 22:44:32,035 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:44:32,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:44:32,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1344853534, now seen corresponding path program 48 times [2021-07-14 22:44:32,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:44:32,036 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947817273] [2021-07-14 22:44:32,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:44:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:32,779 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:32,779 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:44:32,779 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947817273] [2021-07-14 22:44:32,779 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947817273] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:32,779 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748847341] [2021-07-14 22:44:32,779 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 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:44:32,839 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-07-14 22:44:32,839 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:44:32,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 74 conjunts are in the unsatisfiable core [2021-07-14 22:44:32,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:44:33,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:44:33,622 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 22:44:33,623 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:44:33,624 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 22:44:33,625 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:44:33,639 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 22:44:33,639 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:44:33,639 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:44:33,639 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 22:44:33,686 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:33,686 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748847341] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:33,686 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:44:33,686 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 55 [2021-07-14 22:44:33,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539535407] [2021-07-14 22:44:33,687 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-14 22:44:33,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:44:33,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-14 22:44:33,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2829, Unknown=0, NotChecked=0, Total=2970 [2021-07-14 22:44:33,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:33,687 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:44:33,687 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 55 states have internal predecessors, (63), 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 22:44:33,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:33,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:33,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:33,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:44:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:44:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:44:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:44:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:44:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:44:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:44:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 22:44:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 22:44:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:44:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-14 22:44:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 22:44:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:44:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-07-14 22:44:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 22:44:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:44:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 22:44:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-14 22:44:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:35,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:44:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:44:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:44:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:44:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:44:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:44:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:44:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:44:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:44:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:44:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:44:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:44:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:44:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:44:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:44:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:44:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:44:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:44:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:44:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:44:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:44:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:44:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:44:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:44:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:44:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:44:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:44:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:44:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:44:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:44:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:44:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 22:44:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 22:44:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:44:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 22:44:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 22:44:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:44:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-07-14 22:44:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 22:44:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:44:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 22:44:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-14 22:44:35,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:44:35,811 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable629,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:44:35,811 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:44:35,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:44:35,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1279518338, now seen corresponding path program 49 times [2021-07-14 22:44:35,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:44:35,812 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397402136] [2021-07-14 22:44:35,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:44:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:38,020 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:38,020 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:44:38,020 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397402136] [2021-07-14 22:44:38,020 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397402136] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:38,020 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792606334] [2021-07-14 22:44:38,021 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 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:44:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:38,078 WARN L261 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 209 conjunts are in the unsatisfiable core [2021-07-14 22:44:38,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:44:41,870 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 180 [2021-07-14 22:44:42,524 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 22:44:43,138 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 180 [2021-07-14 22:44:43,822 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 22:44:44,574 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 22:44:45,275 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 22:44:46,032 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 22:44:46,656 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 180 [2021-07-14 22:44:47,376 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 22:44:48,032 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 180 [2021-07-14 22:44:48,763 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 22:44:49,456 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 180 [2021-07-14 22:44:50,194 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 22:44:50,956 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 22:44:51,653 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 180 [2021-07-14 22:44:52,460 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 22:44:52,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,613 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:44:52,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:44:52,733 INFO L244 Elim1Store]: Index analysis took 186 ms [2021-07-14 22:44:52,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 203 treesize of output 133 [2021-07-14 22:44:52,739 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:44:52,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,805 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:44:52,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:52,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 131 [2021-07-14 22:44:52,834 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 22:44:52,974 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 109 [2021-07-14 22:44:52,975 INFO L628 ElimStorePlain]: treesize reduction 234, result has 49.1 percent of original size [2021-07-14 22:44:52,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:44:52,978 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 22:44:52,979 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 22:44:53,022 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:44:53,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:53,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 136 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 184 treesize of output 118 [2021-07-14 22:44:53,106 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 22:44:53,116 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:44:53,116 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 22:44:53,117 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 22:44:53,117 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:829, output treesize:22 [2021-07-14 22:44:53,263 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:53,263 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792606334] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:53,263 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:44:53,263 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 38] total 75 [2021-07-14 22:44:53,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329129211] [2021-07-14 22:44:53,263 INFO L462 AbstractCegarLoop]: Interpolant automaton has 75 states [2021-07-14 22:44:53,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:44:53,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-07-14 22:44:53,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=5385, Unknown=0, NotChecked=0, Total=5550 [2021-07-14 22:44:53,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:53,264 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:44:53,264 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 75 states, 75 states have (on average 1.12) internal successors, (84), 75 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 22:44:53,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:53,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:53,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:53,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:53,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:44:53,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:53,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:44:53,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 22:44:53,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 22:44:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-14 22:44:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 22:44:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:44:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-14 22:44:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 22:44:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:44:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-07-14 22:44:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 22:44:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:44:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 22:44:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-14 22:44:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:44:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:45:00,133 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-14 22:45:00,334 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable631 [2021-07-14 22:45:00,335 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.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkValidity(IncrementalHoareTripleChecker.java:676) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ProtectiveHoareTripleChecker.checkInternal(ProtectiveHoareTripleChecker.java:61) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.EfficientHoareTripleChecker.checkInternal(EfficientHoareTripleChecker.java:63) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:77) 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) ... 44 more [2021-07-14 22:45:00,340 INFO L168 Benchmark]: Toolchain (without parser) took 371962.70 ms. Allocated memory was 218.1 MB in the beginning and 551.6 MB in the end (delta: 333.4 MB). Free memory was 198.5 MB in the beginning and 152.0 MB in the end (delta: 46.5 MB). Peak memory consumption was 381.3 MB. Max. memory is 8.0 GB. [2021-07-14 22:45:00,340 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 218.1 MB. Free memory is still 199.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 22:45:00,340 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.35 ms. Allocated memory is still 218.1 MB. Free memory was 198.3 MB in the beginning and 197.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 22:45:00,340 INFO L168 Benchmark]: Boogie Preprocessor took 23.92 ms. Allocated memory is still 218.1 MB. Free memory was 196.8 MB in the beginning and 195.9 MB in the end (delta: 842.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 22:45:00,340 INFO L168 Benchmark]: RCFGBuilder took 319.15 ms. Allocated memory is still 218.1 MB. Free memory was 195.7 MB in the beginning and 178.5 MB in the end (delta: 17.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-07-14 22:45:00,340 INFO L168 Benchmark]: TraceAbstraction took 371589.94 ms. Allocated memory was 218.1 MB in the beginning and 551.6 MB in the end (delta: 333.4 MB). Free memory was 178.1 MB in the beginning and 152.0 MB in the end (delta: 26.1 MB). Peak memory consumption was 361.4 MB. Max. memory is 8.0 GB. [2021-07-14 22:45:00,340 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 0.09 ms. Allocated memory is still 218.1 MB. Free memory is still 199.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.35 ms. Allocated memory is still 218.1 MB. Free memory was 198.3 MB in the beginning and 197.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 23.92 ms. Allocated memory is still 218.1 MB. Free memory was 196.8 MB in the beginning and 195.9 MB in the end (delta: 842.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 319.15 ms. Allocated memory is still 218.1 MB. Free memory was 195.7 MB in the beginning and 178.5 MB in the end (delta: 17.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 371589.94 ms. Allocated memory was 218.1 MB in the beginning and 551.6 MB in the end (delta: 333.4 MB). Free memory was 178.1 MB in the beginning and 152.0 MB in the end (delta: 26.1 MB). Peak memory consumption was 361.4 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...