/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-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-09 19:58:09,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-09 19:58:09,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-09 19:58:09,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-09 19:58:09,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-09 19:58:09,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-09 19:58:09,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-09 19:58:09,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-09 19:58:09,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-09 19:58:09,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-09 19:58:09,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-09 19:58:09,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-09 19:58:09,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-09 19:58:09,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-09 19:58:09,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-09 19:58:09,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-09 19:58:09,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-09 19:58:09,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-09 19:58:09,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-09 19:58:09,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-09 19:58:09,632 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-None-NoLbe.epf [2021-07-09 19:58:09,648 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-09 19:58:09,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-09 19:58:09,648 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-09 19:58:09,648 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-09 19:58:09,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-09 19:58:09,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-09 19:58:09,649 INFO L138 SettingsManager]: * Use SBE=true [2021-07-09 19:58:09,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-09 19:58:09,650 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-09 19:58:09,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-09 19:58:09,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-09 19:58:09,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-09 19:58:09,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-09 19:58:09,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-09 19:58:09,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-09 19:58:09,650 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-09 19:58:09,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-09 19:58:09,651 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-09 19:58:09,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-09 19:58:09,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-09 19:58:09,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-09 19:58:09,651 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-09 19:58:09,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-09 19:58:09,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 19:58:09,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-09 19:58:09,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-09 19:58:09,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-09 19:58:09,652 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-09 19:58:09,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-09 19:58:09,652 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-09 19:58:09,652 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-09 19:58:09,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-09 19:58:09,652 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-09 19:58:09,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-09 19:58:09,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-09 19:58:09,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-09 19:58:09,905 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-09 19:58:09,905 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-09 19:58:09,906 INFO L432 ainManager$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 [2021-07-09 19:58:09,906 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl' [2021-07-09 19:58:09,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-09 19:58:09,926 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-09 19:58:09,927 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-09 19:58:09,927 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-09 19:58:09,927 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-09 19:58:09,935 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 09.07 07:58:09" (1/1) ... [2021-07-09 19:58:09,941 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 09.07 07:58:09" (1/1) ... [2021-07-09 19:58:09,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-09 19:58:09,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-09 19:58:09,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-09 19:58:09,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-09 19:58:09,952 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 09.07 07:58:09" (1/1) ... [2021-07-09 19:58:09,952 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 09.07 07:58:09" (1/1) ... [2021-07-09 19:58:09,953 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 09.07 07:58:09" (1/1) ... [2021-07-09 19:58:09,953 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 09.07 07:58:09" (1/1) ... [2021-07-09 19:58:09,955 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 09.07 07:58:09" (1/1) ... [2021-07-09 19:58:09,956 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 09.07 07:58:09" (1/1) ... [2021-07-09 19:58:09,957 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 09.07 07:58:09" (1/1) ... [2021-07-09 19:58:09,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-09 19:58:09,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-09 19:58:09,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-09 19:58:09,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-09 19:58:09,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:58:09" (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 [2021-07-09 19:58:10,019 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-09 19:58:10,020 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-09 19:58:10,020 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-09 19:58:10,020 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-09 19:58:10,020 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-09 19:58:10,020 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-09 19:58:10,021 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-09 19:58:10,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-09 19:58:10,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-09 19:58:10,021 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-09 19:58:10,287 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-09 19:58:10,288 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-09 19:58:10,288 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-09 19:58:10,288 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-09 19:58:10,289 INFO L202 PluginConnector]: Adding new model array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 07:58:10 BoogieIcfgContainer [2021-07-09 19:58:10,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-09 19:58:10,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-09 19:58:10,291 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-09 19:58:10,293 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-09 19:58:10,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:58:09" (1/2) ... [2021-07-09 19:58:10,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2831d7 and model type array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 07:58:10, skipping insertion in model container [2021-07-09 19:58:10,294 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 09.07 07:58:10" (2/2) ... [2021-07-09 19:58:10,294 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-symm.wvr.bpl [2021-07-09 19:58:10,314 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-09 19:58:10,314 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-09 19:58:10,314 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-09 19:58:10,315 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-09 19:58:10,349 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-09 19:58:10,370 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 [2021-07-09 19:58:10,434 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 19:58:10,434 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 19:58:10,434 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 19:58:10,434 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 19:58:10,434 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 19:58:10,434 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 19:58:10,435 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 19:58:10,435 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-09 19:58:10,443 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 16 transitions, 48 flow [2021-07-09 19:58:10,451 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 19 states, 18 states have (on average 1.8888888888888888) internal successors, (34), 18 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:58:10,464 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:10,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:10,469 INFO L82 PathProgramCache]: Analyzing trace with hash -580385302, now seen corresponding path program 1 times [2021-07-09 19:58:10,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:10,476 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370878007] [2021-07-09 19:58:10,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:10,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:10,599 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:10,599 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370878007] [2021-07-09 19:58:10,600 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370878007] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 19:58:10,600 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 19:58:10,600 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-09 19:58:10,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502010539] [2021-07-09 19:58:10,603 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-09 19:58:10,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:10,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-09 19:58:10,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-09 19:58:10,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:10,611 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:10,611 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) [2021-07-09 19:58:10,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:10,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:10,640 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-09 19:58:10,640 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:10,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:10,641 INFO L82 PathProgramCache]: Analyzing trace with hash -845334464, now seen corresponding path program 1 times [2021-07-09 19:58:10,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:10,641 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290168201] [2021-07-09 19:58:10,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:10,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:10,697 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:10,697 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290168201] [2021-07-09 19:58:10,697 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290168201] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 19:58:10,697 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 19:58:10,697 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-09 19:58:10,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315051604] [2021-07-09 19:58:10,698 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-09 19:58:10,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:10,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-09 19:58:10,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-09 19:58:10,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:10,699 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:10,699 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) [2021-07-09 19:58:10,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:10,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:10,764 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-09 19:58:10,764 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:10,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:10,764 INFO L82 PathProgramCache]: Analyzing trace with hash -906160642, now seen corresponding path program 1 times [2021-07-09 19:58:10,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:10,765 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890163588] [2021-07-09 19:58:10,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:10,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:10,822 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:10,822 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890163588] [2021-07-09 19:58:10,822 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890163588] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:10,822 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354382953] [2021-07-09 19:58:10,822 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 [2021-07-09 19:58:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:10,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-09 19:58:10,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:10,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:10,972 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354382953] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:10,972 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:58:10,972 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-09 19:58:10,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354477356] [2021-07-09 19:58:10,973 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 19:58:10,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:10,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 19:58:10,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-09 19:58:10,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:10,974 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:10,974 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) [2021-07-09 19:58:10,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:10,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:10,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:11,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:11,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:11,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:11,233 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:58:11,233 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:11,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:11,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1940531884, now seen corresponding path program 1 times [2021-07-09 19:58:11,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:11,234 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359113729] [2021-07-09 19:58:11,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:11,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:11,534 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:11,534 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359113729] [2021-07-09 19:58:11,536 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359113729] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:11,536 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116452917] [2021-07-09 19:58:11,537 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 [2021-07-09 19:58:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:11,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 19:58:11,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:11,916 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:11,917 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:11,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-09 19:58:11,923 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:11,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:11,929 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 [2021-07-09 19:58:11,932 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:11,945 INFO L628 ElimStorePlain]: treesize reduction 79, result has 12.2 percent of original size [2021-07-09 19:58:11,945 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:58:11,945 INFO L518 ElimStorePlain]: Eliminatee v_prenex_3 vanished before elimination [2021-07-09 19:58:11,945 INFO L518 ElimStorePlain]: Eliminatee v_prenex_4 vanished before elimination [2021-07-09 19:58:11,946 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:58:11,946 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:107, output treesize:11 [2021-07-09 19:58:11,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:11,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116452917] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:11,973 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:58:11,973 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-07-09 19:58:11,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529049811] [2021-07-09 19:58:11,974 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-09 19:58:11,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:11,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-09 19:58:11,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-07-09 19:58:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:11,975 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:11,975 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) [2021-07-09 19:58:11,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:11,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:11,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:11,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:12,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:12,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:12,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:12,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:12,353 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:58:12,353 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:12,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:12,354 INFO L82 PathProgramCache]: Analyzing trace with hash -6313026, now seen corresponding path program 2 times [2021-07-09 19:58:12,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:12,354 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384492363] [2021-07-09 19:58:12,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:12,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:12,419 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:12,419 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384492363] [2021-07-09 19:58:12,419 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384492363] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:12,419 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293773012] [2021-07-09 19:58:12,419 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 [2021-07-09 19:58:12,447 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 19:58:12,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:58:12,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-09 19:58:12,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:12,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:12,555 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 [2021-07-09 19:58:12,557 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:12,559 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 19:58:12,560 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:12,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:12,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-09 19:58:12,580 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:12,584 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 [2021-07-09 19:58:12,586 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:12,588 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 19:58:12,589 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:12,591 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 [2021-07-09 19:58:12,592 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:12,616 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 19:58:12,616 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:58:12,617 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-09 19:58:12,617 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-09 19:58:12,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:12,645 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293773012] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:12,645 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:58:12,645 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-09 19:58:12,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553727640] [2021-07-09 19:58:12,646 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-09 19:58:12,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:12,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-09 19:58:12,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-09 19:58:12,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:12,648 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:12,648 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) [2021-07-09 19:58:12,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:12,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:12,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:12,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:12,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:12,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:12,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:12,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:12,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:12,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:13,004 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:58:13,007 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:13,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:13,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1891924544, now seen corresponding path program 3 times [2021-07-09 19:58:13,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:13,008 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148333507] [2021-07-09 19:58:13,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:13,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:13,075 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:13,075 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148333507] [2021-07-09 19:58:13,075 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148333507] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:13,075 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835485667] [2021-07-09 19:58:13,075 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 [2021-07-09 19:58:13,119 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-09 19:58:13,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:58:13,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-09 19:58:13,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:13,191 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:13,192 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 [2021-07-09 19:58:13,193 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:13,195 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 [2021-07-09 19:58:13,196 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:13,209 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-09 19:58:13,209 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:58:13,210 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:58:13,210 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-09 19:58:13,228 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:13,228 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835485667] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:13,228 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:58:13,230 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-09 19:58:13,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688649805] [2021-07-09 19:58:13,231 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-09 19:58:13,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:13,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-09 19:58:13,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-09 19:58:13,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:13,232 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:13,233 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) [2021-07-09 19:58:13,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:13,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:13,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:13,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:13,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:13,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:13,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:13,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:13,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:13,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:13,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:13,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:13,506 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-07-09 19:58:13,506 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:13,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:13,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1446621994, now seen corresponding path program 4 times [2021-07-09 19:58:13,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:13,507 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692801848] [2021-07-09 19:58:13,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:13,895 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:13,895 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:13,895 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692801848] [2021-07-09 19:58:13,895 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692801848] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:13,895 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278188607] [2021-07-09 19:58:13,895 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 [2021-07-09 19:58:13,939 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 19:58:13,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:58:13,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-09 19:58:13,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:14,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:14,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:14,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:14,275 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 [2021-07-09 19:58:14,276 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:14,290 INFO L628 ElimStorePlain]: treesize reduction 111, result has 9.0 percent of original size [2021-07-09 19:58:14,291 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-09 19:58:14,291 INFO L518 ElimStorePlain]: Eliminatee v_prenex_10 vanished before elimination [2021-07-09 19:58:14,291 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:58:14,291 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:58:14,292 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:140, output treesize:11 [2021-07-09 19:58:14,315 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:14,315 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278188607] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:14,315 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:58:14,315 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2021-07-09 19:58:14,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157098780] [2021-07-09 19:58:14,316 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-09 19:58:14,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:14,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-09 19:58:14,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-07-09 19:58:14,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:14,316 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:14,317 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 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) [2021-07-09 19:58:14,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:14,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:14,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:14,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:14,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:14,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:14,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:14,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:14,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:14,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:14,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:14,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:14,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:14,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:15,013 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:58:15,013 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:15,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:15,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1862349568, now seen corresponding path program 5 times [2021-07-09 19:58:15,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:15,014 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685936744] [2021-07-09 19:58:15,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:15,086 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:15,086 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:15,086 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685936744] [2021-07-09 19:58:15,086 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685936744] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:15,086 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224701556] [2021-07-09 19:58:15,086 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 [2021-07-09 19:58:15,119 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-09 19:58:15,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:58:15,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-09 19:58:15,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:15,233 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 [2021-07-09 19:58:15,234 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:15,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:15,237 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 [2021-07-09 19:58:15,238 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:15,240 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 [2021-07-09 19:58:15,241 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:15,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:15,244 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 [2021-07-09 19:58:15,245 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:15,247 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 19:58:15,247 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:15,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-09 19:58:15,250 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:15,271 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-09 19:58:15,272 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:58:15,272 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-09 19:58:15,272 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-09 19:58:15,297 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:15,298 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [224701556] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:15,298 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:58:15,298 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-07-09 19:58:15,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632227206] [2021-07-09 19:58:15,298 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-09 19:58:15,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:15,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-09 19:58:15,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-09 19:58:15,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:15,302 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:15,302 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) [2021-07-09 19:58:15,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:15,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:15,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:15,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:15,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:15,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:15,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:15,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:15,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:15,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:15,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:15,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:15,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:15,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:15,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:15,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:15,719 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-07-09 19:58:15,719 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:15,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:15,720 INFO L82 PathProgramCache]: Analyzing trace with hash -757032642, now seen corresponding path program 6 times [2021-07-09 19:58:15,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:15,720 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962141875] [2021-07-09 19:58:15,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:15,795 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:15,795 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:15,795 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962141875] [2021-07-09 19:58:15,795 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962141875] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:15,795 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900229748] [2021-07-09 19:58:15,795 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 [2021-07-09 19:58:15,835 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-09 19:58:15,835 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:58:15,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-09 19:58:15,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:15,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:15,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-09 19:58:15,921 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:15,923 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 [2021-07-09 19:58:15,924 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:15,937 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-09 19:58:15,938 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:58:15,938 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:58:15,938 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-09 19:58:15,956 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:15,956 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900229748] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:15,956 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:58:15,956 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-07-09 19:58:15,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686395153] [2021-07-09 19:58:15,957 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-09 19:58:15,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:15,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-09 19:58:15,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-09 19:58:15,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:15,957 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:15,957 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) [2021-07-09 19:58:15,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:15,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:15,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:15,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:15,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:15,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:15,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:15,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:15,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:16,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:16,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:16,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:16,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:16,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:16,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:16,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:16,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:16,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:16,279 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-07-09 19:58:16,279 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:16,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:16,280 INFO L82 PathProgramCache]: Analyzing trace with hash -2026434708, now seen corresponding path program 7 times [2021-07-09 19:58:16,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:16,280 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54190899] [2021-07-09 19:58:16,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:16,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:16,870 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:16,871 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:16,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54190899] [2021-07-09 19:58:16,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54190899] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:16,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091876132] [2021-07-09 19:58:16,871 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 [2021-07-09 19:58:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:16,907 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-09 19:58:16,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:17,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:17,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:17,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:17,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:17,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:17,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:17,475 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 [2021-07-09 19:58:17,477 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:17,494 INFO L628 ElimStorePlain]: treesize reduction 133, result has 7.6 percent of original size [2021-07-09 19:58:17,495 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:58:17,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_16 vanished before elimination [2021-07-09 19:58:17,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_15 vanished before elimination [2021-07-09 19:58:17,495 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:58:17,495 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:173, output treesize:11 [2021-07-09 19:58:17,532 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:17,532 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091876132] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:17,532 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:58:17,532 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-07-09 19:58:17,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153964300] [2021-07-09 19:58:17,533 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-09 19:58:17,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:17,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-09 19:58:17,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-07-09 19:58:17,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:17,534 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:17,534 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) [2021-07-09 19:58:17,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:17,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:17,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:17,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:17,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:17,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:17,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:17,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:17,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:17,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:18,115 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-07-09 19:58:18,314 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 83 [2021-07-09 19:58:18,530 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 86 [2021-07-09 19:58:18,879 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 98 [2021-07-09 19:58:19,053 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-07-09 19:58:19,426 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 100 [2021-07-09 19:58:19,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:19,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:19,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:19,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:19,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:19,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:19,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:19,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:19,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:19,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:19,812 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:58:19,812 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:19,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:19,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1571774206, now seen corresponding path program 8 times [2021-07-09 19:58:19,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:19,813 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058370736] [2021-07-09 19:58:19,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:19,900 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:19,900 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:19,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058370736] [2021-07-09 19:58:19,900 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058370736] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:19,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802753119] [2021-07-09 19:58:19,900 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 [2021-07-09 19:58:19,928 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 19:58:19,928 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:58:19,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-09 19:58:19,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:20,037 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 [2021-07-09 19:58:20,038 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:20,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:20,041 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 [2021-07-09 19:58:20,042 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:20,045 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 [2021-07-09 19:58:20,046 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:20,048 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 19:58:20,048 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:20,050 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:20,051 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 [2021-07-09 19:58:20,052 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:20,053 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 19:58:20,054 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:20,073 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 19:58:20,073 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:58:20,074 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-09 19:58:20,074 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-09 19:58:20,101 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:20,101 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802753119] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:20,101 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:58:20,101 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-07-09 19:58:20,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864357619] [2021-07-09 19:58:20,102 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-09 19:58:20,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:20,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-09 19:58:20,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-09 19:58:20,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:20,103 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:20,103 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) [2021-07-09 19:58:20,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:20,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:20,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:20,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:20,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:20,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:20,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:20,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:20,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:20,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:20,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:20,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:20,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:20,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:20,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:20,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:20,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:20,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:20,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:20,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:20,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:20,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:20,616 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-07-09 19:58:20,617 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:20,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:20,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1975304320, now seen corresponding path program 9 times [2021-07-09 19:58:20,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:20,618 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893162284] [2021-07-09 19:58:20,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:20,729 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:20,729 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:20,729 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893162284] [2021-07-09 19:58:20,729 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893162284] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:20,729 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821397720] [2021-07-09 19:58:20,730 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 [2021-07-09 19:58:20,763 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-09 19:58:20,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:58:20,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-09 19:58:20,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:20,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:20,869 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 [2021-07-09 19:58:20,870 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:20,872 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 [2021-07-09 19:58:20,873 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:20,887 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-09 19:58:20,888 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:58:20,888 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:58:20,888 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-09 19:58:20,910 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:20,910 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821397720] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:20,910 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:58:20,911 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-07-09 19:58:20,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153360507] [2021-07-09 19:58:20,911 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-09 19:58:20,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:20,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-09 19:58:20,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-09 19:58:20,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:20,913 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:20,913 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) [2021-07-09 19:58:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:20,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:21,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:21,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:21,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:21,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:21,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:21,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:21,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:21,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:21,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:21,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:21,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:21,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:21,256 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2021-07-09 19:58:21,257 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:21,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:21,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1071632490, now seen corresponding path program 10 times [2021-07-09 19:58:21,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:21,258 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378035071] [2021-07-09 19:58:21,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:21,866 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:21,866 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:21,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378035071] [2021-07-09 19:58:21,866 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378035071] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:21,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005901496] [2021-07-09 19:58:21,866 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 [2021-07-09 19:58:21,896 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 19:58:21,896 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:58:21,897 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 53 conjunts are in the unsatisfiable core [2021-07-09 19:58:21,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:22,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:22,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:22,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:22,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:22,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:22,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:22,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:22,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:22,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:22,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:22,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:22,728 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 [2021-07-09 19:58:22,730 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:22,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:22,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:22,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:22,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:22,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:22,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:22,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:22,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:22,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:22,740 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:22,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-07-09 19:58:22,742 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:22,788 INFO L628 ElimStorePlain]: treesize reduction 91, result has 47.4 percent of original size [2021-07-09 19:58:22,788 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:58:22,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:22,791 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:22,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:22,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:22,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:22,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:22,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:22,795 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 [2021-07-09 19:58:22,797 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:22,809 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:58:22,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:22,812 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 [2021-07-09 19:58:22,813 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:22,824 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:58:22,825 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-09 19:58:22,826 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:257, output treesize:22 [2021-07-09 19:58:22,869 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:22,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005901496] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:22,869 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:58:22,869 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 23 [2021-07-09 19:58:22,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813311117] [2021-07-09 19:58:22,869 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-09 19:58:22,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:22,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-09 19:58:22,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=458, Unknown=0, NotChecked=0, Total=506 [2021-07-09 19:58:22,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:22,870 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:22,870 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 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) [2021-07-09 19:58:22,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:22,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:22,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:22,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:22,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:22,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:22,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:22,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:22,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:22,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:22,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:22,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:22,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:23,505 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2021-07-09 19:58:23,736 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 92 [2021-07-09 19:58:24,011 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 113 [2021-07-09 19:58:24,285 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 112 [2021-07-09 19:58:24,572 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 118 [2021-07-09 19:58:24,749 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 74 [2021-07-09 19:58:24,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:24,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:24,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:24,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:24,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:24,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:24,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:24,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:24,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:24,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:24,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:24,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:24,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:25,011 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2021-07-09 19:58:25,012 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:25,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:25,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1172390464, now seen corresponding path program 11 times [2021-07-09 19:58:25,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:25,012 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809073753] [2021-07-09 19:58:25,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:25,140 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:25,140 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:25,140 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809073753] [2021-07-09 19:58:25,140 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809073753] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:25,140 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732116230] [2021-07-09 19:58:25,140 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 [2021-07-09 19:58:25,170 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-09 19:58:25,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:58:25,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-09 19:58:25,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:25,319 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 [2021-07-09 19:58:25,320 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:25,322 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 [2021-07-09 19:58:25,323 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:25,325 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 [2021-07-09 19:58:25,326 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:25,328 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 [2021-07-09 19:58:25,329 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:25,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:25,333 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 [2021-07-09 19:58:25,334 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:25,337 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 [2021-07-09 19:58:25,338 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:25,366 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-09 19:58:25,366 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:58:25,367 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-09 19:58:25,367 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-09 19:58:25,395 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:25,396 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732116230] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:25,396 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:58:25,396 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-07-09 19:58:25,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828149691] [2021-07-09 19:58:25,396 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-09 19:58:25,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:25,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-09 19:58:25,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-09 19:58:25,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:25,397 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:25,397 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) [2021-07-09 19:58:25,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:25,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:25,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:25,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:25,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:25,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:25,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:25,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:25,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:25,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:25,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:25,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:25,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:25,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:25,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:25,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:25,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:25,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:25,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:25,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:25,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:25,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:25,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:25,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:25,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:25,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:25,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:25,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:26,005 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2021-07-09 19:58:26,006 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:26,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:26,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1547858818, now seen corresponding path program 12 times [2021-07-09 19:58:26,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:26,006 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839522984] [2021-07-09 19:58:26,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:26,126 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:26,126 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:26,126 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839522984] [2021-07-09 19:58:26,126 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839522984] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:26,126 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491098025] [2021-07-09 19:58:26,127 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 [2021-07-09 19:58:26,162 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-09 19:58:26,162 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:58:26,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-09 19:58:26,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:26,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:26,301 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 [2021-07-09 19:58:26,302 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:26,304 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 [2021-07-09 19:58:26,304 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:26,318 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-09 19:58:26,318 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:58:26,319 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:58:26,319 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-09 19:58:26,340 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:26,341 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491098025] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:26,341 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:58:26,341 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-07-09 19:58:26,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273610229] [2021-07-09 19:58:26,342 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-09 19:58:26,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:26,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-09 19:58:26,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-09 19:58:26,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:26,343 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:26,343 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) [2021-07-09 19:58:26,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:26,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:26,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:26,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:26,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:26,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:26,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:26,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:26,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:26,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:26,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:26,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:26,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:26,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:26,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:26,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:26,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:26,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:26,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:26,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:26,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:26,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:26,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:26,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:26,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:26,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:26,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:26,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:26,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:26,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:58:26,738 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:58:26,739 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:26,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:26,739 INFO L82 PathProgramCache]: Analyzing trace with hash -772242388, now seen corresponding path program 13 times [2021-07-09 19:58:26,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:26,739 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545551289] [2021-07-09 19:58:26,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:27,315 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:27,315 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:27,315 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545551289] [2021-07-09 19:58:27,315 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545551289] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:27,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716773122] [2021-07-09 19:58:27,316 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 [2021-07-09 19:58:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:27,349 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 65 conjunts are in the unsatisfiable core [2021-07-09 19:58:27,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:28,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:28,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:28,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:28,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:28,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:28,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:28,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:28,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:28,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:28,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:28,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:28,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:28,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:28,437 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 71 treesize of output 49 [2021-07-09 19:58:28,439 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:28,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:28,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:28,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:28,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:28,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:28,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:28,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:28,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:28,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:28,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:28,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:28,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:28,453 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 [2021-07-09 19:58:28,456 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:28,471 INFO L628 ElimStorePlain]: treesize reduction 117, result has 8.6 percent of original size [2021-07-09 19:58:28,472 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:58:28,472 INFO L518 ElimStorePlain]: Eliminatee v_prenex_34 vanished before elimination [2021-07-09 19:58:28,472 INFO L518 ElimStorePlain]: Eliminatee v_prenex_33 vanished before elimination [2021-07-09 19:58:28,472 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:58:28,472 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:239, output treesize:11 [2021-07-09 19:58:28,512 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:28,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716773122] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:28,512 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:58:28,512 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2021-07-09 19:58:28,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363376610] [2021-07-09 19:58:28,513 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-09 19:58:28,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:28,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-09 19:58:28,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-07-09 19:58:28,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:28,514 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:28,514 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) [2021-07-09 19:58:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:28,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:58:28,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:29,187 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2021-07-09 19:58:29,359 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2021-07-09 19:58:29,574 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2021-07-09 19:58:29,771 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 87 [2021-07-09 19:58:29,954 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 108 [2021-07-09 19:58:30,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:30,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:30,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:30,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:30,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:30,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:30,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:30,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:30,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:30,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:30,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:30,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:30,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:30,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:30,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:58:30,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:30,335 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:58:30,335 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:30,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:30,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1797030462, now seen corresponding path program 14 times [2021-07-09 19:58:30,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:30,336 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014726310] [2021-07-09 19:58:30,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:30,486 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:30,486 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:30,486 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014726310] [2021-07-09 19:58:30,486 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014726310] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:30,486 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415370773] [2021-07-09 19:58:30,486 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 [2021-07-09 19:58:30,520 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 19:58:30,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:58:30,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-09 19:58:30,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:30,706 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 8 treesize of output 6 [2021-07-09 19:58:30,707 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:30,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-09 19:58:30,710 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:30,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-09 19:58:30,713 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:30,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:30,715 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 [2021-07-09 19:58:30,716 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:30,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:30,719 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 [2021-07-09 19:58:30,719 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:30,721 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 [2021-07-09 19:58:30,722 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:30,745 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-09 19:58:30,746 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:58:30,746 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-09 19:58:30,746 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-09 19:58:30,778 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:30,778 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415370773] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:30,778 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:58:30,778 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-07-09 19:58:30,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164016192] [2021-07-09 19:58:30,778 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-09 19:58:30,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:30,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-09 19:58:30,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-09 19:58:30,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:30,779 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:30,779 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) [2021-07-09 19:58:30,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:30,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:30,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:30,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:30,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:30,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:30,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:30,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:30,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:30,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:30,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:30,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:30,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:30,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:30,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:58:30,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:30,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:31,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:31,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:31,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:31,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:31,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:31,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:31,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:31,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:31,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:31,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:31,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:31,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:31,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:31,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:31,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:58:31,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:31,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:58:31,528 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2021-07-09 19:58:31,528 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:31,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:31,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1252553920, now seen corresponding path program 15 times [2021-07-09 19:58:31,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:31,529 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537676450] [2021-07-09 19:58:31,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:31,673 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:31,674 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:31,674 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537676450] [2021-07-09 19:58:31,674 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537676450] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:31,674 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994108172] [2021-07-09 19:58:31,674 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 [2021-07-09 19:58:31,706 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-09 19:58:31,706 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:58:31,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-09 19:58:31,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:31,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:31,872 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 [2021-07-09 19:58:31,873 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:31,875 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 [2021-07-09 19:58:31,876 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:31,892 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-09 19:58:31,892 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:58:31,892 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:58:31,892 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-09 19:58:31,920 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:31,920 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994108172] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:31,920 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:58:31,920 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-07-09 19:58:31,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592270702] [2021-07-09 19:58:31,920 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-09 19:58:31,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:31,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-09 19:58:31,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-09 19:58:31,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:31,921 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:31,921 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) [2021-07-09 19:58:31,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:31,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:31,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:31,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:31,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:31,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:31,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:31,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:31,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:31,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:31,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:31,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:31,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:31,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:31,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:58:31,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:31,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:58:31,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:32,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:58:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:58:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:32,389 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:58:32,389 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:32,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:32,389 INFO L82 PathProgramCache]: Analyzing trace with hash -207725142, now seen corresponding path program 16 times [2021-07-09 19:58:32,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:32,390 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228518918] [2021-07-09 19:58:32,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:32,912 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:32,912 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:32,912 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228518918] [2021-07-09 19:58:32,912 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228518918] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:32,912 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646092626] [2021-07-09 19:58:32,912 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 [2021-07-09 19:58:32,944 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 19:58:32,944 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:58:32,946 WARN L261 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 77 conjunts are in the unsatisfiable core [2021-07-09 19:58:32,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:34,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:34,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:34,432 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 [2021-07-09 19:58:34,434 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:34,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,438 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:34,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:34,446 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 [2021-07-09 19:58:34,448 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:34,460 INFO L628 ElimStorePlain]: treesize reduction 132, result has 7.7 percent of original size [2021-07-09 19:58:34,460 INFO L518 ElimStorePlain]: Eliminatee v_prenex_43 vanished before elimination [2021-07-09 19:58:34,460 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:58:34,460 INFO L518 ElimStorePlain]: Eliminatee v_prenex_44 vanished before elimination [2021-07-09 19:58:34,460 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:58:34,460 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:272, output treesize:11 [2021-07-09 19:58:34,469 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:34,469 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646092626] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:34,469 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:58:34,469 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 29 [2021-07-09 19:58:34,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164024995] [2021-07-09 19:58:34,469 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-09 19:58:34,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:34,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-09 19:58:34,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2021-07-09 19:58:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:34,470 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:34,470 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 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) [2021-07-09 19:58:34,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:34,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:34,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:34,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:34,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:34,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:34,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:34,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:34,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:34,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:34,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:34,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:34,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:34,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:34,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:58:34,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:34,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:58:34,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:34,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:35,380 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 60 [2021-07-09 19:58:35,575 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2021-07-09 19:58:35,780 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 94 [2021-07-09 19:58:35,998 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 94 [2021-07-09 19:58:36,208 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 94 [2021-07-09 19:58:36,442 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 94 [2021-07-09 19:58:36,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:58:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:58:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:58:36,838 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable122 [2021-07-09 19:58:36,838 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:36,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:36,839 INFO L82 PathProgramCache]: Analyzing trace with hash 2117195904, now seen corresponding path program 17 times [2021-07-09 19:58:36,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:36,839 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657397461] [2021-07-09 19:58:36,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:37,032 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:37,032 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:37,032 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657397461] [2021-07-09 19:58:37,032 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657397461] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:37,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440932796] [2021-07-09 19:58:37,033 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 [2021-07-09 19:58:37,079 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-09 19:58:37,079 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:58:37,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-09 19:58:37,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:37,292 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:37,292 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 [2021-07-09 19:58:37,293 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:37,296 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 [2021-07-09 19:58:37,297 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:37,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:37,300 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 [2021-07-09 19:58:37,301 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:37,302 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 19:58:37,303 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:37,305 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 19:58:37,305 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:37,307 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 [2021-07-09 19:58:37,308 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:37,327 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 19:58:37,327 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:58:37,328 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-09 19:58:37,328 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-09 19:58:37,361 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:37,361 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440932796] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:37,361 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:58:37,361 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-07-09 19:58:37,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759041608] [2021-07-09 19:58:37,362 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-09 19:58:37,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:37,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-09 19:58:37,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-09 19:58:37,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:37,362 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:37,362 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) [2021-07-09 19:58:37,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:37,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:37,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:37,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:37,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:37,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:37,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:37,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:37,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:37,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:37,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:37,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:37,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:37,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:37,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:58:37,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:37,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:58:37,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:37,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:58:37,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:37,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:37,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:37,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:37,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:37,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:37,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:37,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:37,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:37,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:37,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:37,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:37,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:37,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:37,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:37,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:58:37,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:37,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:58:37,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:37,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:58:37,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:58:38,196 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable145 [2021-07-09 19:58:38,197 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:38,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:38,197 INFO L82 PathProgramCache]: Analyzing trace with hash 2069360574, now seen corresponding path program 18 times [2021-07-09 19:58:38,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:38,197 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869245761] [2021-07-09 19:58:38,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:38,370 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:38,371 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:38,371 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869245761] [2021-07-09 19:58:38,371 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869245761] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:38,371 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807731549] [2021-07-09 19:58:38,371 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 [2021-07-09 19:58:38,409 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-09 19:58:38,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:58:38,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-09 19:58:38,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:38,597 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:38,597 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 [2021-07-09 19:58:38,598 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:38,600 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 [2021-07-09 19:58:38,601 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:38,617 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-09 19:58:38,617 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:58:38,617 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:58:38,617 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-09 19:58:38,643 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:38,643 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807731549] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:38,643 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:58:38,643 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-07-09 19:58:38,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996365502] [2021-07-09 19:58:38,643 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-09 19:58:38,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:38,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-09 19:58:38,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-09 19:58:38,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:38,644 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:38,644 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) [2021-07-09 19:58:38,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:38,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:38,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:38,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:38,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:38,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:38,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:38,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:38,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:38,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:38,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:38,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:38,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:38,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:38,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:58:38,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:38,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:58:38,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:38,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:58:38,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:58:38,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:38,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:38,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:38,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:38,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:38,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:38,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:38,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:38,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:38,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:38,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:38,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:38,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:38,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:38,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:38,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:58:38,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:38,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:58:38,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:38,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:58:38,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:58:38,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:58:39,197 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:58:39,197 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:39,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:39,197 INFO L82 PathProgramCache]: Analyzing trace with hash -307590932, now seen corresponding path program 19 times [2021-07-09 19:58:39,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:39,197 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145614677] [2021-07-09 19:58:39,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:39,775 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:39,775 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:39,776 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145614677] [2021-07-09 19:58:39,776 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145614677] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:39,776 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342047385] [2021-07-09 19:58:39,776 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 [2021-07-09 19:58:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:39,813 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 89 conjunts are in the unsatisfiable core [2021-07-09 19:58:39,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:40,674 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2021-07-09 19:58:41,065 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 90 [2021-07-09 19:58:41,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:41,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:41,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:41,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:41,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:41,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:41,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:41,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:41,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:41,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:41,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:41,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:41,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:41,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:41,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:41,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:41,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:41,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:41,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:41,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:41,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:41,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:41,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:41,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:41,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:41,757 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 [2021-07-09 19:58:41,759 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:41,782 INFO L628 ElimStorePlain]: treesize reduction 221, result has 4.7 percent of original size [2021-07-09 19:58:41,782 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:58:41,782 INFO L518 ElimStorePlain]: Eliminatee v_prenex_56 vanished before elimination [2021-07-09 19:58:41,782 INFO L518 ElimStorePlain]: Eliminatee v_prenex_55 vanished before elimination [2021-07-09 19:58:41,782 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:58:41,782 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:305, output treesize:11 [2021-07-09 19:58:41,823 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:41,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342047385] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:41,823 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:58:41,823 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 34 [2021-07-09 19:58:41,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143554439] [2021-07-09 19:58:41,823 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-09 19:58:41,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:41,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-09 19:58:41,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1041, Unknown=0, NotChecked=0, Total=1122 [2021-07-09 19:58:41,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:41,824 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:41,824 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 34 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) [2021-07-09 19:58:41,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:41,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:41,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:41,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:41,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:41,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:41,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:41,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:41,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:41,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:41,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:41,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:41,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:41,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:41,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:58:41,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:41,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:58:41,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:41,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:58:41,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:58:41,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:58:41,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:42,795 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2021-07-09 19:58:43,015 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2021-07-09 19:58:43,286 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2021-07-09 19:58:43,520 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 113 [2021-07-09 19:58:43,750 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 113 [2021-07-09 19:58:44,020 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 110 [2021-07-09 19:58:44,284 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 110 [2021-07-09 19:58:44,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:44,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:44,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:44,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:44,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:44,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:44,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:44,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:44,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:44,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:44,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:44,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:44,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:44,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:44,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:58:44,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:44,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:58:44,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:44,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:58:44,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:58:44,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:58:44,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:58:44,713 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:58:44,714 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:44,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:44,714 INFO L82 PathProgramCache]: Analyzing trace with hash -978643586, now seen corresponding path program 20 times [2021-07-09 19:58:44,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:44,714 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890420338] [2021-07-09 19:58:44,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:44,914 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:44,914 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:44,914 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890420338] [2021-07-09 19:58:44,914 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890420338] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:44,914 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31960875] [2021-07-09 19:58:44,914 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 [2021-07-09 19:58:44,949 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 19:58:44,950 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:58:44,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-09 19:58:44,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:45,186 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 [2021-07-09 19:58:45,187 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:45,189 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 [2021-07-09 19:58:45,190 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:45,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:45,193 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 [2021-07-09 19:58:45,194 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:45,196 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 [2021-07-09 19:58:45,197 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:45,199 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 7 treesize of output 5 [2021-07-09 19:58:45,200 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:45,202 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 [2021-07-09 19:58:45,203 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:45,234 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-09 19:58:45,235 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:58:45,235 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-09 19:58:45,235 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-09 19:58:45,270 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:45,270 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31960875] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:45,270 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:58:45,270 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-07-09 19:58:45,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466097117] [2021-07-09 19:58:45,271 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-09 19:58:45,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:45,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-09 19:58:45,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-07-09 19:58:45,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:45,272 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:45,272 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) [2021-07-09 19:58:45,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:45,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:45,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:45,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:45,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:45,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:45,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:45,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:45,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:45,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:45,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:45,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:45,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:45,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:45,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:58:45,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:45,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:58:45,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:45,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:58:45,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:58:45,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:58:45,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:58:45,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:46,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:46,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:46,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:46,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:46,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:46,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:46,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:46,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:46,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:46,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:46,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:58:46,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:46,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:58:46,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:46,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:58:46,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:58:46,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:58:46,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:58:46,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:58:46,215 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:58:46,215 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:46,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:46,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1833428480, now seen corresponding path program 21 times [2021-07-09 19:58:46,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:46,215 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973766957] [2021-07-09 19:58:46,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:46,430 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:46,431 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:46,431 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973766957] [2021-07-09 19:58:46,431 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973766957] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:46,431 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202264127] [2021-07-09 19:58:46,431 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 [2021-07-09 19:58:46,469 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-09 19:58:46,469 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:58:46,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-09 19:58:46,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:46,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:46,713 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 [2021-07-09 19:58:46,714 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:46,716 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 [2021-07-09 19:58:46,717 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:46,731 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-09 19:58:46,731 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:58:46,732 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:58:46,732 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-09 19:58:46,759 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:46,759 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202264127] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:46,759 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:58:46,759 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-07-09 19:58:46,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948060775] [2021-07-09 19:58:46,759 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-09 19:58:46,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:46,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-09 19:58:46,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-07-09 19:58:46,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:46,760 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:46,760 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) [2021-07-09 19:58:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:58:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:58:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:58:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:58:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:58:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:58:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:58:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:47,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:47,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:47,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:47,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:47,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:47,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:47,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:47,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:47,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:47,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:47,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:47,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:47,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:47,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:47,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:58:47,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:47,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:58:47,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:47,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:58:47,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:58:47,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:58:47,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:58:47,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:58:47,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:47,364 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:58:47,365 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:47,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:47,365 INFO L82 PathProgramCache]: Analyzing trace with hash 968448746, now seen corresponding path program 22 times [2021-07-09 19:58:47,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:47,365 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937704390] [2021-07-09 19:58:47,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:48,090 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:48,090 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:48,090 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937704390] [2021-07-09 19:58:48,090 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937704390] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:48,090 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405289605] [2021-07-09 19:58:48,090 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 [2021-07-09 19:58:48,141 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 19:58:48,141 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:58:48,142 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2021-07-09 19:58:48,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:49,235 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-09 19:58:49,455 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-09 19:58:49,685 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-09 19:58:49,893 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-09 19:58:50,092 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-09 19:58:50,300 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-09 19:58:50,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:50,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:50,650 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 104 treesize of output 70 [2021-07-09 19:58:50,653 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:50,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:50,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:58:50,684 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 [2021-07-09 19:58:50,687 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:50,699 INFO L628 ElimStorePlain]: treesize reduction 154, result has 6.7 percent of original size [2021-07-09 19:58:50,699 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:58:50,699 INFO L518 ElimStorePlain]: Eliminatee v_prenex_64 vanished before elimination [2021-07-09 19:58:50,699 INFO L518 ElimStorePlain]: Eliminatee v_prenex_63 vanished before elimination [2021-07-09 19:58:50,699 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:58:50,699 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:338, output treesize:11 [2021-07-09 19:58:50,708 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:50,708 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405289605] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:50,708 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:58:50,708 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 37 [2021-07-09 19:58:50,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679319436] [2021-07-09 19:58:50,708 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-09 19:58:50,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:50,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-09 19:58:50,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1244, Unknown=0, NotChecked=0, Total=1332 [2021-07-09 19:58:50,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:50,709 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:50,709 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 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) [2021-07-09 19:58:50,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:50,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:50,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:50,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:50,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:50,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:50,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:50,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:50,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:50,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:50,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:50,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:50,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:50,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:50,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:58:50,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:50,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:58:50,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:50,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:58:50,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:58:50,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:58:50,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:58:50,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:58:50,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:50,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:51,882 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 105 [2021-07-09 19:58:52,096 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-09 19:58:52,329 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-09 19:58:52,581 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-09 19:58:52,873 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2021-07-09 19:58:53,106 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-09 19:58:53,346 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-09 19:58:53,598 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 114 [2021-07-09 19:58:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:53,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:53,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:58:53,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:53,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:58:53,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:53,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:58:53,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:58:53,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:58:53,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:58:53,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:58:53,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:53,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 19:58:54,066 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:58:54,066 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:54,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:54,066 INFO L82 PathProgramCache]: Analyzing trace with hash -76119232, now seen corresponding path program 23 times [2021-07-09 19:58:54,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:54,067 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019522909] [2021-07-09 19:58:54,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:54,350 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:54,350 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:54,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019522909] [2021-07-09 19:58:54,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019522909] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:54,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305039173] [2021-07-09 19:58:54,350 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 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 [2021-07-09 19:58:54,466 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-09 19:58:54,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:58:54,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-09 19:58:54,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:54,757 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 [2021-07-09 19:58:54,758 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:54,761 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 [2021-07-09 19:58:54,761 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:54,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:54,764 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 [2021-07-09 19:58:54,765 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:54,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:54,767 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 [2021-07-09 19:58:54,768 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:54,770 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 [2021-07-09 19:58:54,771 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:54,773 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 [2021-07-09 19:58:54,774 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:54,798 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-09 19:58:54,798 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:58:54,798 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-09 19:58:54,798 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-09 19:58:54,836 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:54,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305039173] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:54,836 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:58:54,836 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-07-09 19:58:54,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938378155] [2021-07-09 19:58:54,836 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-09 19:58:54,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:54,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-09 19:58:54,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-07-09 19:58:54,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:54,837 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:54,837 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) [2021-07-09 19:58:54,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:54,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:54,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:54,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:54,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:54,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:54,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:54,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:54,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:54,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:54,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:54,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:54,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:54,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:54,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:58:54,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:54,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:58:54,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:54,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:58:54,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:58:54,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:58:54,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:58:54,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:58:54,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:54,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 19:58:54,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:55,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:55,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:55,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:55,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:58:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:58:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:58:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:58:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:58:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:58:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:58:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 19:58:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:58:55,938 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable217 [2021-07-09 19:58:55,938 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:55,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:55,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1198768894, now seen corresponding path program 24 times [2021-07-09 19:58:55,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:55,938 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134037767] [2021-07-09 19:58:55,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:56,200 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:56,201 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:56,201 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134037767] [2021-07-09 19:58:56,201 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134037767] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:56,201 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255563221] [2021-07-09 19:58:56,201 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 [2021-07-09 19:58:56,241 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-09 19:58:56,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:58:56,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-09 19:58:56,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:56,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:58:56,523 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 [2021-07-09 19:58:56,525 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:56,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-09 19:58:56,528 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:58:56,545 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-09 19:58:56,545 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:58:56,546 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:58:56,546 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-09 19:58:56,576 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:56,576 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255563221] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:56,576 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:58:56,576 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-07-09 19:58:56,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171945669] [2021-07-09 19:58:56,577 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-09 19:58:56,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:56,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-09 19:58:56,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-07-09 19:58:56,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:56,577 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:56,577 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) [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:58:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:57,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:58:57,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:57,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:58:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:58:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:58:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:58:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:58:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:58:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:58:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:58:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:58:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:58:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:58:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:58:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:58:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:58:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:58:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:58:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:58:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 19:58:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:58:57,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:58:57,262 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable223 [2021-07-09 19:58:57,262 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:58:57,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:58:57,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1526129236, now seen corresponding path program 25 times [2021-07-09 19:58:57,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:58:57,263 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667384073] [2021-07-09 19:58:57,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:58:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:58,117 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:58:58,118 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:58:58,118 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667384073] [2021-07-09 19:58:58,118 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667384073] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:58,118 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433245688] [2021-07-09 19:58:58,118 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 [2021-07-09 19:58:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:58:58,159 WARN L261 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 113 conjunts are in the unsatisfiable core [2021-07-09 19:58:58,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:59,387 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-09 19:58:59,652 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-09 19:58:59,876 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-09 19:59:00,123 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-09 19:59:00,389 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-09 19:59:00,663 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-09 19:59:00,945 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-09 19:59:01,217 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-09 19:59:01,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,293 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:59:01,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:59:01,328 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 [2021-07-09 19:59:01,332 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:01,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:59:01,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:01,359 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 115 treesize of output 77 [2021-07-09 19:59:01,362 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:01,374 INFO L628 ElimStorePlain]: treesize reduction 165, result has 6.3 percent of original size [2021-07-09 19:59:01,374 INFO L518 ElimStorePlain]: Eliminatee v_prenex_80 vanished before elimination [2021-07-09 19:59:01,375 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:59:01,375 INFO L518 ElimStorePlain]: Eliminatee v_prenex_79 vanished before elimination [2021-07-09 19:59:01,375 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:59:01,375 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:371, output treesize:11 [2021-07-09 19:59:01,426 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:59:01,426 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433245688] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:59:01,426 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:59:01,426 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 42 [2021-07-09 19:59:01,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988342981] [2021-07-09 19:59:01,427 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-09 19:59:01,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:59:01,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-09 19:59:01,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1621, Unknown=0, NotChecked=0, Total=1722 [2021-07-09 19:59:01,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:59:01,428 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:59:01,428 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) [2021-07-09 19:59:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:59:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:59:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:59:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:59:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:59:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:59:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:59:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:59:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:59:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:59:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:01,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 19:59:01,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:59:01,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:01,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:59:02,723 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-07-09 19:59:03,206 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 124 [2021-07-09 19:59:03,558 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2021-07-09 19:59:03,947 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2021-07-09 19:59:04,329 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2021-07-09 19:59:04,696 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2021-07-09 19:59:05,081 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 165 [2021-07-09 19:59:05,617 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 127 [2021-07-09 19:59:06,009 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 165 [2021-07-09 19:59:06,379 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 127 [2021-07-09 19:59:06,588 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2021-07-09 19:59:06,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:59:06,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:06,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:06,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:06,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:06,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:06,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:59:06,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:59:06,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:06,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:59:06,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:06,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:59:06,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:06,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:59:06,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:59:06,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:06,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:06,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:06,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:59:06,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:59:06,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:59:06,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:06,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:06,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:06,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 19:59:06,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:59:06,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:06,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 19:59:06,906 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable225 [2021-07-09 19:59:06,907 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:59:06,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:59:06,907 INFO L82 PathProgramCache]: Analyzing trace with hash -98625346, now seen corresponding path program 26 times [2021-07-09 19:59:06,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:59:06,907 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280618938] [2021-07-09 19:59:06,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:59:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:59:07,195 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:59:07,196 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:59:07,196 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280618938] [2021-07-09 19:59:07,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280618938] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:59:07,196 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987838511] [2021-07-09 19:59:07,196 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 [2021-07-09 19:59:07,235 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 19:59:07,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:59:07,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-09 19:59:07,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:59:07,571 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 [2021-07-09 19:59:07,572 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:07,574 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 [2021-07-09 19:59:07,575 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:07,577 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 [2021-07-09 19:59:07,578 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:07,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:59:07,580 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 [2021-07-09 19:59:07,581 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:07,583 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:59:07,583 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 [2021-07-09 19:59:07,584 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:07,586 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 19:59:07,587 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:07,623 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-09 19:59:07,623 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:59:07,623 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-09 19:59:07,624 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-09 19:59:07,663 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:59:07,663 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987838511] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:59:07,663 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:59:07,663 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-07-09 19:59:07,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25854923] [2021-07-09 19:59:07,663 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-09 19:59:07,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:59:07,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-09 19:59:07,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-07-09 19:59:07,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:59:07,664 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:59:07,664 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) [2021-07-09 19:59:07,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:59:07,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:07,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:07,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:07,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:07,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:07,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:59:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:59:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:59:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:59:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:59:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:59:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:59:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:59:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:59:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 19:59:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:59:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 19:59:07,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:59:08,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:59:08,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:08,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:08,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:08,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:08,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:08,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:59:08,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:59:08,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:08,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:59:08,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:08,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:59:08,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:08,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:59:08,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:59:08,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:08,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:08,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:08,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:59:08,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:59:08,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:59:08,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:08,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:08,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:08,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 19:59:08,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:59:08,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:08,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 19:59:08,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 19:59:08,911 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable254 [2021-07-09 19:59:08,912 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:59:08,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:59:08,912 INFO L82 PathProgramCache]: Analyzing trace with hash 768200896, now seen corresponding path program 27 times [2021-07-09 19:59:08,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:59:08,912 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36435700] [2021-07-09 19:59:08,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:59:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:59:09,205 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:59:09,205 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:59:09,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36435700] [2021-07-09 19:59:09,205 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36435700] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:59:09,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88475213] [2021-07-09 19:59:09,205 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 [2021-07-09 19:59:09,248 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-09 19:59:09,248 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:59:09,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-09 19:59:09,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:59:09,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:59:09,566 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 [2021-07-09 19:59:09,566 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:09,575 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 16 treesize of output 12 [2021-07-09 19:59:09,576 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:09,590 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-09 19:59:09,590 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:59:09,591 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:59:09,591 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-09 19:59:09,622 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:59:09,622 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88475213] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:59:09,622 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:59:09,622 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-07-09 19:59:09,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825598985] [2021-07-09 19:59:09,623 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-09 19:59:09,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:59:09,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-09 19:59:09,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-07-09 19:59:09,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:59:09,623 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:59:09,623 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) [2021-07-09 19:59:09,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:59:09,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:09,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 19:59:09,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:59:10,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:59:10,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:10,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:10,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:10,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:10,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:10,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:59:10,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:59:10,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:10,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:59:10,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:10,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:59:10,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:10,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:59:10,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:59:10,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:10,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:10,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:10,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:59:10,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:59:10,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:59:10,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:10,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:10,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:10,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 19:59:10,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:59:10,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:10,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 19:59:10,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 19:59:10,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 19:59:10,324 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable260 [2021-07-09 19:59:10,325 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:59:10,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:59:10,325 INFO L82 PathProgramCache]: Analyzing trace with hash -1988835286, now seen corresponding path program 28 times [2021-07-09 19:59:10,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:59:10,325 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010367322] [2021-07-09 19:59:10,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:59:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:59:11,584 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:59:11,584 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:59:11,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010367322] [2021-07-09 19:59:11,584 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010367322] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:59:11,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639623313] [2021-07-09 19:59:11,584 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 [2021-07-09 19:59:11,626 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 19:59:11,626 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:59:11,633 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 125 conjunts are in the unsatisfiable core [2021-07-09 19:59:11,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:59:13,123 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-09 19:59:13,461 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-09 19:59:13,742 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-09 19:59:14,035 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-09 19:59:14,330 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-09 19:59:14,655 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-09 19:59:14,980 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-09 19:59:15,293 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-09 19:59:15,618 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-09 19:59:15,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:59:15,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,745 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:59:15,754 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 [2021-07-09 19:59:15,758 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:15,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,797 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:59:15,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,801 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 114 treesize of output 74 [2021-07-09 19:59:15,804 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:15,882 INFO L628 ElimStorePlain]: treesize reduction 161, result has 47.9 percent of original size [2021-07-09 19:59:15,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:59:15,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:15,911 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 [2021-07-09 19:59:15,915 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:15,925 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:59:15,925 INFO L518 ElimStorePlain]: Eliminatee v_prenex_91 vanished before elimination [2021-07-09 19:59:15,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:59:15,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-07-09 19:59:15,928 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:15,937 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:59:15,938 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-09 19:59:15,939 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:521, output treesize:22 [2021-07-09 19:59:16,016 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:59:16,016 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639623313] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:59:16,016 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:59:16,017 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24] total 47 [2021-07-09 19:59:16,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355697912] [2021-07-09 19:59:16,017 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-09 19:59:16,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:59:16,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-09 19:59:16,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=2059, Unknown=0, NotChecked=0, Total=2162 [2021-07-09 19:59:16,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:59:16,018 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:59:16,018 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 47 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) [2021-07-09 19:59:16,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:59:16,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:16,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:16,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:16,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:16,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:16,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:59:16,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:59:16,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:16,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:59:16,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:16,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:59:16,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:16,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:59:16,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:59:16,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:16,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:16,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:16,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:59:16,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:59:16,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:59:16,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:16,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:16,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:16,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 19:59:16,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:59:16,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:16,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 19:59:16,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 19:59:16,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-09 19:59:16,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:59:17,311 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2021-07-09 19:59:17,580 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2021-07-09 19:59:17,970 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 132 [2021-07-09 19:59:18,409 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 149 [2021-07-09 19:59:18,812 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 105 [2021-07-09 19:59:19,289 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 105 [2021-07-09 19:59:19,727 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 147 [2021-07-09 19:59:20,165 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 144 [2021-07-09 19:59:20,615 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 104 [2021-07-09 19:59:21,059 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 109 [2021-07-09 19:59:21,473 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 106 [2021-07-09 19:59:21,875 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 149 [2021-07-09 19:59:22,299 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 149 [2021-07-09 19:59:22,588 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2021-07-09 19:59:22,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:59:22,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:22,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:22,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 19:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 19:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 19:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 19:59:22,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:22,957 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable262,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:59:22,957 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:59:22,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:59:22,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1557611008, now seen corresponding path program 29 times [2021-07-09 19:59:22,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:59:22,957 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758290163] [2021-07-09 19:59:22,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:59:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:59:23,333 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:59:23,334 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:59:23,334 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758290163] [2021-07-09 19:59:23,334 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758290163] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:59:23,334 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304961664] [2021-07-09 19:59:23,334 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 [2021-07-09 19:59:23,381 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-09 19:59:23,381 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:59:23,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-09 19:59:23,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:59:23,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:59:23,778 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 [2021-07-09 19:59:23,779 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:23,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:59:23,781 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 [2021-07-09 19:59:23,782 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:23,785 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 [2021-07-09 19:59:23,786 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:23,787 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 19:59:23,788 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:23,791 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 [2021-07-09 19:59:23,792 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:23,793 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 19:59:23,794 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:23,814 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 19:59:23,814 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:59:23,814 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-09 19:59:23,815 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-09 19:59:23,860 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:59:23,860 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304961664] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:59:23,860 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:59:23,860 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-07-09 19:59:23,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562223447] [2021-07-09 19:59:23,861 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-09 19:59:23,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:59:23,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-09 19:59:23,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-07-09 19:59:23,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:59:23,862 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:59:23,862 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) [2021-07-09 19:59:23,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:59:23,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:23,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:23,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:23,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:23,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:23,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:59:23,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:59:23,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:23,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:59:23,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:23,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:59:23,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:23,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:59:23,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:59:23,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:23,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:23,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:23,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:59:23,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:59:23,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:59:23,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:23,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:23,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:23,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 19:59:23,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:59:23,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:23,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 19:59:23,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 19:59:23,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-09 19:59:23,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:23,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:59:25,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:59:25,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:25,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:25,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:25,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:25,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:25,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:59:25,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:59:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:59:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:59:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:59:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:59:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:59:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:59:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:59:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 19:59:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:59:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 19:59:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 19:59:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 19:59:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 19:59:25,352 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable306,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:59:25,352 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:59:25,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:59:25,352 INFO L82 PathProgramCache]: Analyzing trace with hash -455801282, now seen corresponding path program 30 times [2021-07-09 19:59:25,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:59:25,352 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360051505] [2021-07-09 19:59:25,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:59:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:59:25,682 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:59:25,682 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:59:25,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360051505] [2021-07-09 19:59:25,682 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360051505] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:59:25,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048928980] [2021-07-09 19:59:25,683 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 [2021-07-09 19:59:25,729 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-09 19:59:25,729 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:59:25,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-09 19:59:25,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:59:26,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:59:26,097 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 [2021-07-09 19:59:26,098 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:26,099 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 [2021-07-09 19:59:26,100 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:26,114 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-09 19:59:26,115 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:59:26,115 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:59:26,115 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-09 19:59:26,155 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:59:26,156 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048928980] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:59:26,156 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:59:26,156 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-07-09 19:59:26,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874621056] [2021-07-09 19:59:26,156 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-09 19:59:26,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:59:26,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-09 19:59:26,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-07-09 19:59:26,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:59:26,157 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:59:26,157 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) [2021-07-09 19:59:26,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:59:26,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:26,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:26,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:26,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:26,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:26,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:59:26,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:59:26,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:26,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:59:26,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:26,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:59:26,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:26,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:59:26,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:59:26,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:26,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:26,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:26,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:59:26,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:59:26,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:59:26,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:26,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:26,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:26,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 19:59:26,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:59:26,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:26,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 19:59:26,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 19:59:26,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-09 19:59:26,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:26,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 19:59:26,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:59:26,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:59:26,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:26,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:26,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:26,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:26,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:59:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:59:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:59:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:59:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:59:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:59:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:59:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:59:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:59:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 19:59:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:59:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 19:59:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 19:59:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 19:59:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 19:59:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:26,982 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable313 [2021-07-09 19:59:26,982 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:59:26,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:59:26,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1278197140, now seen corresponding path program 31 times [2021-07-09 19:59:26,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:59:26,983 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548075472] [2021-07-09 19:59:26,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:59:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:59:28,301 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:59:28,301 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:59:28,301 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548075472] [2021-07-09 19:59:28,302 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548075472] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:59:28,302 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934937627] [2021-07-09 19:59:28,302 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 [2021-07-09 19:59:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:59:28,354 WARN L261 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 137 conjunts are in the unsatisfiable core [2021-07-09 19:59:28,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:59:30,087 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-09 19:59:30,396 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-09 19:59:30,774 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-09 19:59:31,099 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-09 19:59:31,476 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-09 19:59:31,794 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-09 19:59:32,170 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-09 19:59:32,569 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-09 19:59:32,911 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-09 19:59:33,256 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-09 19:59:33,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:59:33,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:59:33,421 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 [2021-07-09 19:59:33,425 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:33,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,454 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:59:33,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:33,465 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 137 treesize of output 91 [2021-07-09 19:59:33,468 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:33,481 INFO L628 ElimStorePlain]: treesize reduction 189, result has 5.5 percent of original size [2021-07-09 19:59:33,481 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:59:33,482 INFO L518 ElimStorePlain]: Eliminatee v_prenex_103 vanished before elimination [2021-07-09 19:59:33,482 INFO L518 ElimStorePlain]: Eliminatee v_prenex_104 vanished before elimination [2021-07-09 19:59:33,482 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:59:33,482 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:437, output treesize:11 [2021-07-09 19:59:33,560 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:59:33,560 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934937627] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:59:33,560 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:59:33,560 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 50 [2021-07-09 19:59:33,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842185823] [2021-07-09 19:59:33,560 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-07-09 19:59:33,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:59:33,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-07-09 19:59:33,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=2341, Unknown=0, NotChecked=0, Total=2450 [2021-07-09 19:59:33,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:59:33,561 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:59:33,561 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) [2021-07-09 19:59:33,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:59:33,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:33,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:33,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:33,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:33,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:33,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:59:35,172 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2021-07-09 19:59:35,538 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 94 [2021-07-09 19:59:36,030 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 142 [2021-07-09 19:59:36,543 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 155 [2021-07-09 19:59:37,143 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 158 [2021-07-09 19:59:37,739 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 158 [2021-07-09 19:59:38,372 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 158 [2021-07-09 19:59:38,968 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 156 [2021-07-09 19:59:39,605 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 159 [2021-07-09 19:59:40,211 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 158 [2021-07-09 19:59:40,839 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 158 [2021-07-09 19:59:41,789 WARN L205 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 158 [2021-07-09 19:59:42,422 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 204 [2021-07-09 19:59:43,053 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 204 [2021-07-09 19:59:43,416 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 99 [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:43,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 19:59:43,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 19:59:43,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 19:59:43,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:43,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 19:59:43,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:43,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:59:43,805 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable315 [2021-07-09 19:59:43,805 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:59:43,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:59:43,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1002664962, now seen corresponding path program 32 times [2021-07-09 19:59:43,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:59:43,805 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966963629] [2021-07-09 19:59:43,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:59:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:59:44,196 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:59:44,196 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:59:44,196 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966963629] [2021-07-09 19:59:44,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966963629] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:59:44,196 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51438049] [2021-07-09 19:59:44,197 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 [2021-07-09 19:59:44,238 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 19:59:44,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:59:44,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-09 19:59:44,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:59:44,691 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 [2021-07-09 19:59:44,692 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:44,694 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 [2021-07-09 19:59:44,694 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:44,696 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:59:44,697 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 [2021-07-09 19:59:44,698 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:44,699 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 19:59:44,700 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:44,702 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 [2021-07-09 19:59:44,703 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:44,704 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 [2021-07-09 19:59:44,705 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:44,727 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-09 19:59:44,727 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:59:44,727 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-09 19:59:44,728 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-09 19:59:44,771 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:59:44,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51438049] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:59:44,771 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:59:44,771 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-07-09 19:59:44,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294433131] [2021-07-09 19:59:44,772 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-09 19:59:44,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:59:44,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-09 19:59:44,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-07-09 19:59:44,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:59:44,772 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:59:44,772 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) [2021-07-09 19:59:44,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 19:59:44,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:44,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:59:44,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:59:46,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 19:59:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 19:59:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 19:59:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 19:59:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:59:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-09 19:59:46,380 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable352 [2021-07-09 19:59:46,380 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:59:46,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:59:46,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1206301824, now seen corresponding path program 33 times [2021-07-09 19:59:46,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:59:46,380 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175368546] [2021-07-09 19:59:46,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:59:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:59:46,780 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:59:46,780 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:59:46,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175368546] [2021-07-09 19:59:46,780 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175368546] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:59:46,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389512700] [2021-07-09 19:59:46,781 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 [2021-07-09 19:59:46,828 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-09 19:59:46,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:59:46,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-09 19:59:46,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:59:47,277 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:59:47,278 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 [2021-07-09 19:59:47,279 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:47,282 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 [2021-07-09 19:59:47,283 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:47,298 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-09 19:59:47,298 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:59:47,299 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:59:47,299 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-09 19:59:47,335 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:59:47,336 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389512700] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:59:47,336 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:59:47,336 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-07-09 19:59:47,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768996513] [2021-07-09 19:59:47,336 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-09 19:59:47,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:59:47,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-09 19:59:47,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-07-09 19:59:47,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:59:47,337 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:59:47,337 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) [2021-07-09 19:59:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:59:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:59:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:59:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:59:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:59:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:59:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:59:47,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:47,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:47,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:47,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:59:47,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:59:47,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:59:47,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:47,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:47,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:47,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 19:59:47,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:59:47,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:47,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 19:59:47,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 19:59:47,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-09 19:59:47,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:47,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 19:59:47,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:47,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:59:47,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-09 19:59:47,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:59:48,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:59:48,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:48,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:48,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:48,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:48,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:48,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:59:48,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-09 19:59:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:48,357 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable359,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:59:48,357 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:59:48,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:59:48,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1226089834, now seen corresponding path program 34 times [2021-07-09 19:59:48,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:59:48,357 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242978973] [2021-07-09 19:59:48,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:59:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:59:49,388 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:59:49,388 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:59:49,388 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242978973] [2021-07-09 19:59:49,388 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242978973] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:59:49,388 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714671884] [2021-07-09 19:59:49,388 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-07-09 19:59:49,436 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 19:59:49,436 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:59:49,438 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 149 conjunts are in the unsatisfiable core [2021-07-09 19:59:49,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:59:51,422 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-09 19:59:51,798 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-09 19:59:52,114 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-09 19:59:52,447 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-09 19:59:52,837 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-09 19:59:53,190 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-09 19:59:53,575 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-09 19:59:53,969 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-09 19:59:54,330 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-09 19:59:54,708 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-09 19:59:55,117 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-09 19:59:55,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,228 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:59:55,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:59:55,293 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 [2021-07-09 19:59:55,298 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:55,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 19:59:55,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 19:59:55,354 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 [2021-07-09 19:59:55,358 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 19:59:55,372 INFO L628 ElimStorePlain]: treesize reduction 204, result has 5.1 percent of original size [2021-07-09 19:59:55,373 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-09 19:59:55,373 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 19:59:55,373 INFO L518 ElimStorePlain]: Eliminatee v_prenex_117 vanished before elimination [2021-07-09 19:59:55,373 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:59:55,373 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:470, output treesize:11 [2021-07-09 19:59:55,382 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:59:55,382 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714671884] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:59:55,382 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:59:55,382 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 53 [2021-07-09 19:59:55,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844992978] [2021-07-09 19:59:55,383 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-09 19:59:55,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:59:55,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-09 19:59:55,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=2628, Unknown=0, NotChecked=0, Total=2756 [2021-07-09 19:59:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:59:55,383 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:59:55,384 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) [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 19:59:55,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-09 19:59:55,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:55,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 19:59:55,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 19:59:55,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 19:59:55,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-09 19:59:55,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 19:59:55,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:59:57,948 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 141 [2021-07-09 19:59:58,313 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-09 19:59:58,746 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-09 19:59:59,146 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-09 19:59:59,633 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-09 20:00:00,032 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-09 20:00:00,410 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-09 20:00:00,790 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-09 20:00:01,228 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-09 20:00:01,647 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-09 20:00:02,136 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-09 20:00:02,600 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-09 20:00:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:00:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:00:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:00:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:00:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:00:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:00:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:00:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:00:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:00:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:00:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:00:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:00:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:00:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:00:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:00:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:00:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:00:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:00:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:00:02,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:02,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:00:02,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:00:02,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:00:02,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:00:02,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:00:02,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:00:02,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:00:02,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:02,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:00:02,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:00:02,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:00:02,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:00:02,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:02,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:00:03,175 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable361,37 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:00:03,175 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:00:03,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:00:03,175 INFO L82 PathProgramCache]: Analyzing trace with hash -679180096, now seen corresponding path program 35 times [2021-07-09 20:00:03,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:00:03,176 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239328578] [2021-07-09 20:00:03,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:00:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:00:03,661 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:00:03,661 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:00:03,661 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239328578] [2021-07-09 20:00:03,661 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239328578] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:00:03,661 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627743944] [2021-07-09 20:00:03,661 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 [2021-07-09 20:00:03,714 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-09 20:00:03,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:00:03,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-09 20:00:03,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:00:04,212 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 [2021-07-09 20:00:04,213 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 20:00:04,215 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 [2021-07-09 20:00:04,216 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 20:00:04,218 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:00:04,219 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 [2021-07-09 20:00:04,219 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 20:00:04,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:00:04,222 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 [2021-07-09 20:00:04,223 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 20:00:04,225 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 [2021-07-09 20:00:04,225 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 20:00:04,227 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 [2021-07-09 20:00:04,228 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 20:00:04,252 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-09 20:00:04,252 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 20:00:04,253 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-09 20:00:04,253 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-09 20:00:04,300 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:00:04,300 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627743944] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:00:04,300 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:00:04,300 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-07-09 20:00:04,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463753221] [2021-07-09 20:00:04,300 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-09 20:00:04,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:00:04,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-09 20:00:04,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-07-09 20:00:04,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:00:04,301 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:00:04,301 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) [2021-07-09 20:00:04,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:00:04,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:00:04,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:00:04,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:00:04,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:00:04,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:04,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:00:04,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:00:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:00:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:00:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:00:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:00:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:00:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:00:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:00:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:00:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:00:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:00:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:00:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:00:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:00:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:00:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:00:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:00:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:00:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:00:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:00:05,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:05,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:00:05,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:00:05,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:00:05,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:00:05,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:00:05,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:00:05,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:00:05,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:05,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:00:05,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:00:05,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:00:05,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:00:05,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:05,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:00:05,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:00:06,197 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable400 [2021-07-09 20:00:06,197 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:00:06,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:00:06,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1598011774, now seen corresponding path program 36 times [2021-07-09 20:00:06,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:00:06,197 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338752787] [2021-07-09 20:00:06,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:00:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:00:06,636 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:00:06,636 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:00:06,636 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338752787] [2021-07-09 20:00:06,636 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338752787] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:00:06,636 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845931041] [2021-07-09 20:00:06,636 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 [2021-07-09 20:00:06,688 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-09 20:00:06,688 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:00:06,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-09 20:00:06,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:00:07,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:00:07,182 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 [2021-07-09 20:00:07,183 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 20:00:07,185 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 [2021-07-09 20:00:07,185 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 20:00:07,200 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-09 20:00:07,200 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 20:00:07,200 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 20:00:07,200 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-09 20:00:07,238 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:00:07,239 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845931041] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:00:07,239 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:00:07,239 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-07-09 20:00:07,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597321040] [2021-07-09 20:00:07,239 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-09 20:00:07,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:00:07,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-09 20:00:07,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-07-09 20:00:07,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:00:07,240 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:00:07,240 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) [2021-07-09 20:00:07,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:00:07,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:00:07,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:00:07,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:00:07,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:00:07,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:00:07,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:00:07,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:00:07,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:00:07,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:00:07,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:07,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:00:07,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:07,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:00:07,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:00:07,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:00:07,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:00:07,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:07,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:00:07,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:00:07,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:00:07,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:00:07,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:07,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:00:07,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:00:07,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:00:07,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:00:07,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:00:07,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:00:07,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:00:07,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:07,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:00:07,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:00:07,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:00:07,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:00:07,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:07,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:00:07,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:00:07,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:00:08,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:00:08,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:00:08,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:00:08,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:00:08,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:00:08,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:00:08,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:00:08,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:00:08,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:00:08,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:00:08,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:08,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:00:08,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:00:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:00:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:00:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:00:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:00:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:00:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:00:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:00:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:00:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:00:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:00:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:00:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:00:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:00:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:00:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:00:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:00:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:00:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:00:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:00:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:00:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 20:00:08,288 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable407,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:00:08,288 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:00:08,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:00:08,289 INFO L82 PathProgramCache]: Analyzing trace with hash -2034501844, now seen corresponding path program 37 times [2021-07-09 20:00:08,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:00:08,289 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183944015] [2021-07-09 20:00:08,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:00:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:00:09,899 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:00:09,899 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:00:09,899 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183944015] [2021-07-09 20:00:09,899 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183944015] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:00:09,899 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724575552] [2021-07-09 20:00:09,899 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 [2021-07-09 20:00:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:00:09,951 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 161 conjunts are in the unsatisfiable core [2021-07-09 20:00:09,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:00:12,367 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-09 20:00:12,776 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-09 20:00:13,216 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-09 20:00:13,633 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-09 20:00:14,057 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-09 20:00:14,522 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-09 20:00:15,018 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-09 20:00:15,527 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-09 20:00:16,023 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-09 20:00:16,442 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-09 20:00:16,906 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-09 20:00:17,305 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-09 20:00:17,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:00:17,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:17,441 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 [2021-07-09 20:00:17,449 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 20:00:17,489 INFO L628 ElimStorePlain]: treesize reduction 349, result has 3.1 percent of original size [2021-07-09 20:00:17,489 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 20:00:17,489 INFO L518 ElimStorePlain]: Eliminatee v_prenex_135 vanished before elimination [2021-07-09 20:00:17,489 INFO L518 ElimStorePlain]: Eliminatee v_prenex_136 vanished before elimination [2021-07-09 20:00:17,490 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 20:00:17,490 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:503, output treesize:11 [2021-07-09 20:00:17,571 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:00:17,571 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724575552] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:00:17,571 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:00:17,571 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30] total 58 [2021-07-09 20:00:17,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351007377] [2021-07-09 20:00:17,571 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-07-09 20:00:17,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:00:17,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-07-09 20:00:17,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=3165, Unknown=0, NotChecked=0, Total=3306 [2021-07-09 20:00:17,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:00:17,572 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:00:17,572 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) [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:00:17,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:00:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:00:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:00:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:00:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:00:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:00:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:00:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-09 20:00:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:00:20,171 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2021-07-09 20:00:20,805 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 157 [2021-07-09 20:00:21,269 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 160 [2021-07-09 20:00:21,969 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 166 [2021-07-09 20:00:22,639 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 166 [2021-07-09 20:00:23,341 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 166 [2021-07-09 20:00:23,947 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-09 20:00:24,524 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-09 20:00:25,079 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-09 20:00:25,576 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-09 20:00:26,091 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-09 20:00:26,722 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 166 [2021-07-09 20:00:27,211 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-09 20:00:27,786 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 166 [2021-07-09 20:00:28,088 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2021-07-09 20:00:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:00:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:00:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:00:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:00:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:00:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:00:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:00:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:00:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:00:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:00:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:00:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:00:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:00:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:00:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:00:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:00:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:00:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:00:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:00:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:00:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:00:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:00:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:00:28,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:00:28,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:00:28,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:00:28,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:28,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:00:28,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:00:28,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:00:28,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:00:28,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:28,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:00:28,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:00:28,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 20:00:28,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-09 20:00:28,461 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable409,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:00:28,461 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:00:28,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:00:28,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1321692990, now seen corresponding path program 38 times [2021-07-09 20:00:28,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:00:28,461 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739518986] [2021-07-09 20:00:28,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:00:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:00:28,993 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:00:28,993 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:00:28,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739518986] [2021-07-09 20:00:28,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739518986] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:00:28,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497956837] [2021-07-09 20:00:28,993 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 [2021-07-09 20:00:29,042 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 20:00:29,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:00:29,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-09 20:00:29,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:00:29,625 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 [2021-07-09 20:00:29,626 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 20:00:29,628 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 [2021-07-09 20:00:29,628 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 20:00:29,630 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 [2021-07-09 20:00:29,631 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 20:00:29,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:00:29,634 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 [2021-07-09 20:00:29,635 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 20:00:29,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:00:29,637 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 [2021-07-09 20:00:29,638 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 20:00:29,639 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 20:00:29,640 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 20:00:29,663 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-09 20:00:29,663 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 20:00:29,663 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-09 20:00:29,663 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-09 20:00:29,713 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:00:29,713 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497956837] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:00:29,713 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:00:29,713 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-07-09 20:00:29,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17146536] [2021-07-09 20:00:29,714 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-09 20:00:29,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:00:29,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-09 20:00:29,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-07-09 20:00:29,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:00:29,715 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:00:29,715 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) [2021-07-09 20:00:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:00:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:00:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:00:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:00:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:00:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:00:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:00:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:00:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:00:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:00:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:00:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:00:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:00:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:00:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:00:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:00:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:00:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:00:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:00:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:00:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:00:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:00:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:00:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:00:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:00:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:00:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:00:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:00:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:00:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:00:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:00:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:00:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-09 20:00:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-09 20:00:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:00:31,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:00:31,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:00:31,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:00:31,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:00:31,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:00:31,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:00:31,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:00:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:00:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 20:00:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-09 20:00:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-09 20:00:31,831 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable449,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:00:31,831 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:00:31,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:00:31,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1099803072, now seen corresponding path program 39 times [2021-07-09 20:00:31,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:00:31,832 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93072990] [2021-07-09 20:00:31,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:00:31,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:00:32,362 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:00:32,362 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:00:32,362 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93072990] [2021-07-09 20:00:32,362 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93072990] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:00:32,362 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106258128] [2021-07-09 20:00:32,362 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 [2021-07-09 20:00:32,422 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-09 20:00:32,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:00:32,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-09 20:00:32,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:00:33,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:00:33,017 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 16 treesize of output 12 [2021-07-09 20:00:33,018 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 20:00:33,020 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 15 treesize of output 11 [2021-07-09 20:00:33,020 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 20:00:33,035 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-09 20:00:33,035 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 20:00:33,036 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 20:00:33,036 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-09 20:00:33,077 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:00:33,077 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106258128] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:00:33,077 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:00:33,077 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-07-09 20:00:33,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315913873] [2021-07-09 20:00:33,077 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-09 20:00:33,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:00:33,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-09 20:00:33,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-07-09 20:00:33,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:00:33,078 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:00:33,078 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) [2021-07-09 20:00:33,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:00:33,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:00:33,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:00:33,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:00:33,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:00:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:00:33,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:33,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:00:33,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:00:33,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-09 20:00:33,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-09 20:00:33,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-09 20:00:33,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:00:34,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:00:34,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:00:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:00:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:00:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:00:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:00:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:00:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:00:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:00:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:00:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:00:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:00:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:00:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:00:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:00:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:00:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:00:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:00:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:00:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:00:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:00:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:00:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:00:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:00:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:00:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:00:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:00:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:00:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:00:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:00:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:00:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:00:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 20:00:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-09 20:00:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-09 20:00:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:00:34,393 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable456 [2021-07-09 20:00:34,393 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:00:34,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:00:34,394 INFO L82 PathProgramCache]: Analyzing trace with hash 232583850, now seen corresponding path program 40 times [2021-07-09 20:00:34,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:00:34,394 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949507596] [2021-07-09 20:00:34,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:00:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:00:36,574 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:00:36,574 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:00:36,574 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949507596] [2021-07-09 20:00:36,574 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949507596] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:00:36,574 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576960472] [2021-07-09 20:00:36,574 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 [2021-07-09 20:00:36,636 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 20:00:36,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:00:36,638 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 173 conjunts are in the unsatisfiable core [2021-07-09 20:00:36,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:00:39,073 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2021-07-09 20:00:39,559 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-09 20:00:40,028 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-09 20:00:40,494 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-09 20:00:41,036 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-09 20:00:41,586 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-09 20:00:42,196 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-09 20:00:42,680 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-09 20:00:43,161 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-09 20:00:43,743 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-09 20:00:44,311 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-09 20:00:44,877 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-09 20:00:45,381 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-09 20:00:45,909 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-09 20:00:45,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:00:45,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:45,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:00:46,043 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 [2021-07-09 20:00:46,047 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 20:00:46,092 INFO L628 ElimStorePlain]: treesize reduction 375, result has 2.8 percent of original size [2021-07-09 20:00:46,092 INFO L518 ElimStorePlain]: Eliminatee v_prenex_151 vanished before elimination [2021-07-09 20:00:46,092 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 20:00:46,092 INFO L518 ElimStorePlain]: Eliminatee v_prenex_152 vanished before elimination [2021-07-09 20:00:46,093 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 20:00:46,093 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:536, output treesize:11 [2021-07-09 20:00:46,209 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:00:46,209 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576960472] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:00:46,209 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:00:46,209 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 32] total 63 [2021-07-09 20:00:46,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73001145] [2021-07-09 20:00:46,209 INFO L462 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-07-09 20:00:46,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:00:46,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-07-09 20:00:46,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=3768, Unknown=0, NotChecked=0, Total=3906 [2021-07-09 20:00:46,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:00:46,211 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:00:46,211 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 1.1428571428571428) internal successors, (72), 63 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) [2021-07-09 20:00:46,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:00:46,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:00:46,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:00:46,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:00:46,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:00:46,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:00:46,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:00:46,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:00:46,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:00:46,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:00:46,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:46,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:00:46,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:46,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-09 20:00:46,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:00:46,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:00:48,872 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2021-07-09 20:00:50,425 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 200 DAG size of output: 108 [2021-07-09 20:00:51,382 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 111 [2021-07-09 20:00:52,203 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 118 [2021-07-09 20:00:53,107 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 169 [2021-07-09 20:00:53,949 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 174 [2021-07-09 20:00:54,840 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 174 [2021-07-09 20:00:55,863 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 232 [2021-07-09 20:00:56,871 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 174 [2021-07-09 20:00:57,761 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 174 [2021-07-09 20:00:58,689 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2021-07-09 20:00:59,588 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 181 [2021-07-09 20:01:00,394 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 183 [2021-07-09 20:01:01,278 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 182 [2021-07-09 20:01:02,309 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 232 [2021-07-09 20:01:02,861 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 115 [2021-07-09 20:01:03,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:01:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:01:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:01:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:01:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:01:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:01:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:01:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:01:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:01:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:01:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:01:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:01:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:01:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:01:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:01:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:01:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:01:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:01:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:01:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:01:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:01:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:01:03,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:01:03,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:01:03,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:03,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:01:03,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:03,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:01:03,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:01:03,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:01:03,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:01:03,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:03,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:01:03,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:01:03,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 20:01:03,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-09 20:01:03,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-09 20:01:03,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:01:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:03,333 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable458,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:01:03,333 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:01:03,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:01:03,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1413094528, now seen corresponding path program 41 times [2021-07-09 20:01:03,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:01:03,334 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569775383] [2021-07-09 20:01:03,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:01:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:01:03,980 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:01:03,981 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:01:03,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569775383] [2021-07-09 20:01:03,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569775383] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:01:03,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919424549] [2021-07-09 20:01:03,981 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 [2021-07-09 20:01:04,056 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-07-09 20:01:04,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:01:04,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-09 20:01:04,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:01:04,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-09 20:01:04,780 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 20:01:04,782 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:01:04,783 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 [2021-07-09 20:01:04,783 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 20:01:04,786 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 [2021-07-09 20:01:04,787 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 20:01:04,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-09 20:01:04,790 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 20:01:04,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:01:04,793 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 [2021-07-09 20:01:04,794 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 20:01:04,796 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 [2021-07-09 20:01:04,797 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 20:01:04,824 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-09 20:01:04,824 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 20:01:04,825 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-09 20:01:04,825 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-09 20:01:04,893 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:01:04,893 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919424549] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:01:04,893 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:01:04,893 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-07-09 20:01:04,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090733737] [2021-07-09 20:01:04,894 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-09 20:01:04,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:01:04,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-09 20:01:04,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-07-09 20:01:04,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:01:04,896 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:01:04,896 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) [2021-07-09 20:01:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:01:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:01:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:01:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:01:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:01:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:01:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:01:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:01:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:01:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:01:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:01:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:01:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:01:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:01:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:01:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:01:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:01:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:01:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:01:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:04,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:01:04,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:01:04,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:01:04,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:01:04,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:01:04,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:04,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:01:04,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:04,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:01:04,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:01:04,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:01:04,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:01:04,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:04,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:01:04,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:01:04,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-09 20:01:04,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-09 20:01:04,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-09 20:01:04,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:01:04,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:04,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:01:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:01:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:01:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:01:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:01:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:01:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:01:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:01:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:01:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:01:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:01:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:01:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:01:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:01:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:01:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:01:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:01:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:01:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:01:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:01:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:01:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:01:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:01:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:01:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:01:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:01:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:01:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:01:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:01:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:01:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:01:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:01:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 20:01:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-09 20:01:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-09 20:01:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:01:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:07,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-09 20:01:07,392 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable502,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:01:07,392 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:01:07,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:01:07,393 INFO L82 PathProgramCache]: Analyzing trace with hash 829938878, now seen corresponding path program 42 times [2021-07-09 20:01:07,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:01:07,393 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806744083] [2021-07-09 20:01:07,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:01:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:01:07,988 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:01:07,988 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:01:07,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806744083] [2021-07-09 20:01:07,988 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806744083] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:01:07,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899569073] [2021-07-09 20:01:07,988 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 [2021-07-09 20:01:08,051 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-07-09 20:01:08,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:01:08,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-09 20:01:08,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:01:08,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:01:08,700 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 [2021-07-09 20:01:08,701 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 20:01:08,703 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 [2021-07-09 20:01:08,703 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 20:01:08,718 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-09 20:01:08,718 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 20:01:08,719 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 20:01:08,719 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-09 20:01:08,763 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:01:08,763 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899569073] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:01:08,763 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:01:08,763 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-07-09 20:01:08,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109236457] [2021-07-09 20:01:08,764 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-09 20:01:08,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:01:08,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-09 20:01:08,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-07-09 20:01:08,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:01:08,764 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:01:08,765 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) [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:01:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:01:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:01:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:01:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:01:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:01:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:01:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-09 20:01:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-09 20:01:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-09 20:01:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:01:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-09 20:01:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:01:09,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:01:09,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:01:09,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:01:09,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:01:09,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:01:09,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:01:09,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:01:09,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:01:09,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:01:09,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:01:09,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:09,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:01:09,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:09,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:01:09,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:01:09,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:01:09,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:01:09,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:09,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:01:09,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:01:09,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:01:09,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:01:09,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:09,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:01:09,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:01:09,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:01:09,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:01:09,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:01:09,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:09,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:01:09,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:09,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:01:09,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:01:09,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:01:09,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:01:09,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:09,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:01:09,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:01:09,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 20:01:09,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-09 20:01:09,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-09 20:01:09,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:01:09,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:09,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-09 20:01:09,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:10,172 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable509,45 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:01:10,172 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:01:10,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:01:10,172 INFO L82 PathProgramCache]: Analyzing trace with hash -74957844, now seen corresponding path program 43 times [2021-07-09 20:01:10,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:01:10,172 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846194225] [2021-07-09 20:01:10,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:01:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:01:12,346 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:01:12,346 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:01:12,346 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846194225] [2021-07-09 20:01:12,346 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846194225] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:01:12,346 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524559763] [2021-07-09 20:01:12,346 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 [2021-07-09 20:01:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:01:12,412 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 185 conjunts are in the unsatisfiable core [2021-07-09 20:01:12,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:01:15,568 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-09 20:01:16,121 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-09 20:01:16,653 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-09 20:01:17,176 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-09 20:01:17,719 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-09 20:01:18,318 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-09 20:01:18,933 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-09 20:01:19,533 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-09 20:01:20,136 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-09 20:01:20,689 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-09 20:01:21,498 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-09 20:01:22,144 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-09 20:01:22,710 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-09 20:01:23,405 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-09 20:01:23,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:01:23,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:01:23,647 INFO L244 Elim1Store]: Index analysis took 164 ms [2021-07-09 20:01:23,648 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 [2021-07-09 20:01:23,653 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 20:01:23,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:01:23,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,734 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 181 treesize of output 119 [2021-07-09 20:01:23,739 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 20:01:23,855 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 99 [2021-07-09 20:01:23,855 INFO L628 ElimStorePlain]: treesize reduction 216, result has 48.6 percent of original size [2021-07-09 20:01:23,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:01:23,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 104 [2021-07-09 20:01:23,925 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 20:01:23,936 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 20:01:23,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:01:23,938 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 [2021-07-09 20:01:23,939 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 20:01:23,970 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 20:01:23,971 INFO L518 ElimStorePlain]: Eliminatee v_prenex_162 vanished before elimination [2021-07-09 20:01:23,972 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-09 20:01:23,972 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:741, output treesize:22 [2021-07-09 20:01:24,099 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:01:24,099 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524559763] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:01:24,099 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:01:24,099 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 34] total 67 [2021-07-09 20:01:24,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68341208] [2021-07-09 20:01:24,100 INFO L462 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-07-09 20:01:24,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:01:24,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-07-09 20:01:24,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=4274, Unknown=0, NotChecked=0, Total=4422 [2021-07-09 20:01:24,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:01:24,101 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:01:24,101 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 67 states, 67 states have (on average 1.1343283582089552) internal successors, (76), 67 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) [2021-07-09 20:01:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:01:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:01:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:01:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:01:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:01:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:01:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:01:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:01:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:01:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:01:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:01:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:24,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:01:27,292 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2021-07-09 20:01:27,796 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 117 [2021-07-09 20:01:28,353 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 175 [2021-07-09 20:01:28,893 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 185 [2021-07-09 20:01:29,616 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 187 [2021-07-09 20:01:30,376 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-09 20:01:31,151 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-09 20:01:32,004 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 199 [2021-07-09 20:01:33,012 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-09 20:01:33,828 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-09 20:01:34,666 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 199 [2021-07-09 20:01:35,406 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-09 20:01:36,213 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-09 20:01:37,168 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-09 20:01:38,008 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-09 20:01:38,847 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-09 20:01:39,714 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 199 [2021-07-09 20:01:40,469 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 197 [2021-07-09 20:01:40,998 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 121 [2021-07-09 20:01:41,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:01:41,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:01:41,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:01:41,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:01:41,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:01:41,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:01:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:01:41,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 20:01:41,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-09 20:01:41,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-09 20:01:41,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:01:41,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:41,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-09 20:01:41,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:41,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:01:41,497 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable511 [2021-07-09 20:01:41,497 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:01:41,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:01:41,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1938014846, now seen corresponding path program 44 times [2021-07-09 20:01:41,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:01:41,498 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503678746] [2021-07-09 20:01:41,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:01:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:01:42,206 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:01:42,206 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:01:42,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503678746] [2021-07-09 20:01:42,207 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503678746] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:01:42,207 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882914901] [2021-07-09 20:01:42,207 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 [2021-07-09 20:01:42,264 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 20:01:42,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:01:42,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-07-09 20:01:42,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:01:43,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:01:43,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-07-09 20:01:43,050 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 20:01:43,053 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 [2021-07-09 20:01:43,069 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 20:01:43,072 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 20:01:43,072 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 20:01:43,074 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 20:01:43,075 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 20:01:43,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:01:43,077 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 [2021-07-09 20:01:43,078 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 20:01:43,080 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 [2021-07-09 20:01:43,081 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 20:01:43,104 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 20:01:43,104 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 20:01:43,105 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-09 20:01:43,105 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-09 20:01:43,162 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:01:43,162 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882914901] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:01:43,162 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:01:43,162 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-07-09 20:01:43,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311559483] [2021-07-09 20:01:43,163 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-09 20:01:43,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:01:43,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-09 20:01:43,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-07-09 20:01:43,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:01:43,164 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:01:43,164 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) [2021-07-09 20:01:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:01:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:01:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:01:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:01:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:01:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:01:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:01:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:01:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:01:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:01:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:43,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-09 20:01:43,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:43,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:01:43,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:01:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:01:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:01:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:01:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:01:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:01:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:01:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:01:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:01:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:01:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:01:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:01:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:01:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-09 20:01:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:45,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:01:45,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-09 20:01:45,958 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable583 [2021-07-09 20:01:45,958 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:01:45,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:01:45,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1542393600, now seen corresponding path program 45 times [2021-07-09 20:01:45,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:01:45,959 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241357385] [2021-07-09 20:01:45,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:01:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:01:46,668 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:01:46,668 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:01:46,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241357385] [2021-07-09 20:01:46,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241357385] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:01:46,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584699833] [2021-07-09 20:01:46,668 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 [2021-07-09 20:01:46,739 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-09 20:01:46,739 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:01:46,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-07-09 20:01:46,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:01:47,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:01:47,472 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 [2021-07-09 20:01:47,473 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 20:01:47,474 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 [2021-07-09 20:01:47,475 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 20:01:47,490 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-09 20:01:47,490 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 20:01:47,490 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 20:01:47,490 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-09 20:01:47,536 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:01:47,537 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584699833] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:01:47,537 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:01:47,537 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-07-09 20:01:47,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032721706] [2021-07-09 20:01:47,537 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-09 20:01:47,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:01:47,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-09 20:01:47,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-07-09 20:01:47,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:01:47,538 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:01:47,538 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) [2021-07-09 20:01:47,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:01:47,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:01:47,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:01:47,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:01:47,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:01:47,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:01:47,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:01:47,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:01:47,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:01:47,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:01:47,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-09 20:01:47,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:01:47,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:47,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-09 20:01:47,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:47,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:01:47,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-09 20:01:47,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:01:48,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:01:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:01:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:01:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:01:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:01:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:01:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:01:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:01:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:01:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:01:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:01:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:01:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:01:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:01:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:01:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:01:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:01:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:01:48,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:01:48,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:01:48,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:48,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:01:48,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:01:48,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:01:48,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:01:48,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:01:48,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:48,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:01:48,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:48,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:01:48,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:01:48,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:01:48,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:01:48,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:01:48,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:01:48,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:01:48,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 20:01:48,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-09 20:01:48,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-09 20:01:48,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:01:48,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:48,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-09 20:01:48,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:01:48,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:01:48,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-09 20:01:48,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-09 20:01:49,074 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable590,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:01:49,074 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:01:49,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:01:49,074 INFO L82 PathProgramCache]: Analyzing trace with hash -602820630, now seen corresponding path program 46 times [2021-07-09 20:01:49,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:01:49,074 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880719057] [2021-07-09 20:01:49,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:01:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:01:50,688 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:01:50,688 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:01:50,688 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880719057] [2021-07-09 20:01:50,688 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880719057] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:01:50,688 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972755699] [2021-07-09 20:01:50,688 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 [2021-07-09 20:01:50,747 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 20:01:50,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:01:50,750 WARN L261 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 197 conjunts are in the unsatisfiable core [2021-07-09 20:01:50,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:01:53,073 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-07-09 20:01:53,833 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-07-09 20:01:54,350 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-09 20:01:55,000 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-09 20:01:55,604 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-09 20:01:56,231 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-09 20:01:56,780 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-09 20:01:57,429 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-09 20:01:58,108 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-09 20:01:58,750 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-09 20:01:59,363 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-09 20:01:59,903 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-09 20:02:00,551 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-09 20:02:01,258 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-09 20:02:01,886 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-09 20:02:02,582 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-09 20:02:03,259 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-09 20:02:03,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:02:03,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:02:03,518 INFO L244 Elim1Store]: Index analysis took 170 ms [2021-07-09 20:02:03,520 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 [2021-07-09 20:02:03,525 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 20:02:03,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:02:03,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:03,609 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 [2021-07-09 20:02:03,616 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 20:02:03,631 INFO L628 ElimStorePlain]: treesize reduction 238, result has 4.4 percent of original size [2021-07-09 20:02:03,631 INFO L518 ElimStorePlain]: Eliminatee v_prenex_183 vanished before elimination [2021-07-09 20:02:03,631 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 20:02:03,631 INFO L518 ElimStorePlain]: Eliminatee v_prenex_184 vanished before elimination [2021-07-09 20:02:03,632 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 20:02:03,632 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:602, output treesize:11 [2021-07-09 20:02:03,729 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:02:03,729 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972755699] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:02:03,729 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:02:03,729 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36] total 70 [2021-07-09 20:02:03,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894523469] [2021-07-09 20:02:03,729 INFO L462 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-07-09 20:02:03,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:02:03,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-07-09 20:02:03,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=4659, Unknown=0, NotChecked=0, Total=4830 [2021-07-09 20:02:03,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:02:03,731 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:02:03,731 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) [2021-07-09 20:02:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:02:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:02:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:02:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:02:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:02:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:02:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:02:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:02:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:02:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:02:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:02:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:02:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:02:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:02:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:02:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:02:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:02:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:02:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:02:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:02:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:02:03,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-09 20:02:03,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:02:07,132 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2021-07-09 20:02:07,947 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 176 [2021-07-09 20:02:08,528 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 179 [2021-07-09 20:02:09,146 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 179 [2021-07-09 20:02:09,947 WARN L205 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 114 [2021-07-09 20:02:10,572 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-09 20:02:11,337 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 185 [2021-07-09 20:02:12,190 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 185 [2021-07-09 20:02:12,842 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-09 20:02:13,522 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-09 20:02:14,429 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 185 [2021-07-09 20:02:15,221 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 185 [2021-07-09 20:02:15,898 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-09 20:02:16,552 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-09 20:02:17,174 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-09 20:02:17,874 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-09 20:02:18,563 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-09 20:02:18,889 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2021-07-09 20:02:19,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:02:19,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:02:19,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:02:19,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:02:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:02:19,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:02:19,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:02:19,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:02:19,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 20:02:19,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-09 20:02:19,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-09 20:02:19,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:02:19,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:02:19,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-09 20:02:19,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:02:19,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:02:19,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-09 20:02:19,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-09 20:02:19,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:02:19,241 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable592,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:02:19,241 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:02:19,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:02:19,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1540829632, now seen corresponding path program 47 times [2021-07-09 20:02:19,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:02:19,245 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544671826] [2021-07-09 20:02:19,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:02:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:02:20,054 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 17 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:02:20,054 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:02:20,054 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544671826] [2021-07-09 20:02:20,054 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544671826] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:02:20,054 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912262075] [2021-07-09 20:02:20,054 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 [2021-07-09 20:02:20,121 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-07-09 20:02:20,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:02:20,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 74 conjunts are in the unsatisfiable core [2021-07-09 20:02:20,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:02:20,969 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 [2021-07-09 20:02:20,970 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 20:02:20,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:02:20,973 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 [2021-07-09 20:02:20,985 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 20:02:20,987 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 20:02:20,988 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-09 20:02:20,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:02:20,991 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 [2021-07-09 20:02:20,991 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-09 20:02:20,993 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-09 20:02:20,994 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 20:02:20,996 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 [2021-07-09 20:02:20,997 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 20:02:21,021 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 20:02:21,022 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 20:02:21,022 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-09 20:02:21,022 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-09 20:02:21,084 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 17 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:02:21,084 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [912262075] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:02:21,084 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:02:21,084 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 55 [2021-07-09 20:02:21,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422541162] [2021-07-09 20:02:21,085 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-09 20:02:21,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:02:21,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-09 20:02:21,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2829, Unknown=0, NotChecked=0, Total=2970 [2021-07-09 20:02:21,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:02:21,085 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:02:21,085 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) [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:02:21,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:02:21,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:02:21,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:02:21,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:02:21,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:02:21,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:02:21,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:02:21,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:02:21,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-09 20:02:21,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-09 20:02:21,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-09 20:02:21,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:02:21,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:02:21,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-09 20:02:21,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:02:21,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:02:21,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-09 20:02:21,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-09 20:02:21,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:02:21,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:02:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:02:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:02:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:02:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:02:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:02:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:02:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:02:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:02:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:02:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:02:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:02:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:02:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:02:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:02:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:02:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:02:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-09 20:02:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-09 20:02:23,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:02:23,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-09 20:02:23,994 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable639 [2021-07-09 20:02:23,994 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:02:23,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:02:23,995 INFO L82 PathProgramCache]: Analyzing trace with hash -2059309058, now seen corresponding path program 48 times [2021-07-09 20:02:23,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:02:23,995 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926824602] [2021-07-09 20:02:23,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:02:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:02:24,782 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:02:24,782 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:02:24,783 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926824602] [2021-07-09 20:02:24,783 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926824602] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:02:24,783 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066359611] [2021-07-09 20:02:24,783 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 [2021-07-09 20:02:24,857 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-07-09 20:02:24,858 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:02:24,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 76 conjunts are in the unsatisfiable core [2021-07-09 20:02:24,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:02:25,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:02:25,728 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 [2021-07-09 20:02:25,729 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 20:02:25,731 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 [2021-07-09 20:02:25,731 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 20:02:25,747 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-09 20:02:25,747 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 20:02:25,747 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 20:02:25,747 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-09 20:02:25,804 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:02:25,804 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066359611] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:02:25,804 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:02:25,804 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 55 [2021-07-09 20:02:25,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473359638] [2021-07-09 20:02:25,804 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-09 20:02:25,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:02:25,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-09 20:02:25,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2829, Unknown=0, NotChecked=0, Total=2970 [2021-07-09 20:02:25,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:02:25,805 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:02:25,805 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) [2021-07-09 20:02:25,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:02:25,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:02:25,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:02:25,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:02:25,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:02:25,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:02:25,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:02:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:02:25,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:02:25,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-09 20:02:25,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-09 20:02:25,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-09 20:02:25,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:02:25,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:02:25,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-09 20:02:25,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:02:25,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:02:25,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-09 20:02:25,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-09 20:02:25,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:02:25,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-09 20:02:25,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:02:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:02:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:02:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:02:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:02:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:02:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:02:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:02:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:02:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:02:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:02:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:02:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:02:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:02:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:02:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:02:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:02:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:02:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:02:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:02:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:02:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-09 20:02:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:02:27,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-09 20:02:27,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:02:27,378 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable645,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:02:27,378 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:02:27,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:02:27,379 INFO L82 PathProgramCache]: Analyzing trace with hash 552669356, now seen corresponding path program 49 times [2021-07-09 20:02:27,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:02:27,379 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941978822] [2021-07-09 20:02:27,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:02:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:02:29,174 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:02:29,174 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:02:29,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941978822] [2021-07-09 20:02:29,174 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941978822] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:02:29,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247022499] [2021-07-09 20:02:29,174 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 [2021-07-09 20:02:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:02:29,239 WARN L261 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 209 conjunts are in the unsatisfiable core [2021-07-09 20:02:29,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:02:31,690 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-07-09 20:02:32,563 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-07-09 20:02:33,275 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-09 20:02:33,970 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-09 20:02:34,689 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-09 20:02:35,415 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-09 20:02:36,077 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-09 20:02:36,720 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-09 20:02:37,469 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-09 20:02:38,078 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-09 20:02:38,700 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-09 20:02:39,474 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-09 20:02:40,085 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-09 20:02:40,818 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-09 20:02:41,472 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-09 20:02:42,120 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-09 20:02:42,880 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-09 20:02:43,578 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-09 20:02:43,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,710 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:02:43,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:02:43,854 INFO L244 Elim1Store]: Index analysis took 189 ms [2021-07-09 20:02:43,855 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 [2021-07-09 20:02:43,860 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 20:02:43,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 20:02:43,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:02:43,951 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 [2021-07-09 20:02:43,957 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 20:02:43,979 INFO L628 ElimStorePlain]: treesize reduction 249, result has 4.2 percent of original size [2021-07-09 20:02:43,980 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-09 20:02:43,980 INFO L518 ElimStorePlain]: Eliminatee v_prenex_203 vanished before elimination [2021-07-09 20:02:43,980 INFO L518 ElimStorePlain]: Eliminatee v_prenex_204 vanished before elimination [2021-07-09 20:02:43,980 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 20:02:43,980 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:635, output treesize:11 [2021-07-09 20:02:43,990 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:02:43,990 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1247022499] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:02:43,990 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:02:43,990 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 38] total 73 [2021-07-09 20:02:43,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344333185] [2021-07-09 20:02:43,990 INFO L462 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-07-09 20:02:43,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:02:43,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-07-09 20:02:43,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=5078, Unknown=0, NotChecked=0, Total=5256 [2021-07-09 20:02:43,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:02:43,991 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:02:43,991 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 73 states, 73 states have (on average 1.095890410958904) internal successors, (80), 73 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) [2021-07-09 20:02:43,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 20:02:43,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:02:43,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:02:43,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:02:43,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:02:43,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 20:02:43,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:02:43,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-09 20:02:43,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 20:02:43,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 20:02:43,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:02:43,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:02:43,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:02:43,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:02:43,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 20:02:43,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:02:43,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:02:43,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 20:02:43,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-09 20:02:43,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:02:43,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 20:02:43,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:02:43,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:02:47,638 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 105 [2021-07-09 20:02:49,085 WARN L205 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2021-07-09 20:02:50,125 WARN L205 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2021-07-09 20:02:51,142 WARN L205 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2021-07-09 20:02:51,901 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-09 20:02:52,102 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable647 [2021-07-09 20:02:52,103 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:153) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:104) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:193) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:509) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 52 more [2021-07-09 20:02:52,108 INFO L168 Benchmark]: Toolchain (without parser) took 282182.38 ms. Allocated memory was 225.4 MB in the beginning and 427.8 MB in the end (delta: 202.4 MB). Free memory was 204.0 MB in the beginning and 130.7 MB in the end (delta: 73.3 MB). Peak memory consumption was 276.8 MB. Max. memory is 8.0 GB. [2021-07-09 20:02:52,108 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 225.4 MB. Free memory is still 205.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-09 20:02:52,108 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.27 ms. Allocated memory is still 225.4 MB. Free memory was 204.0 MB in the beginning and 202.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-09 20:02:52,108 INFO L168 Benchmark]: Boogie Preprocessor took 14.42 ms. Allocated memory is still 225.4 MB. Free memory was 202.5 MB in the beginning and 201.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-09 20:02:52,108 INFO L168 Benchmark]: RCFGBuilder took 328.07 ms. Allocated memory is still 225.4 MB. Free memory was 201.5 MB in the beginning and 184.2 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2021-07-09 20:02:52,108 INFO L168 Benchmark]: TraceAbstraction took 281816.78 ms. Allocated memory was 225.4 MB in the beginning and 427.8 MB in the end (delta: 202.4 MB). Free memory was 183.7 MB in the beginning and 130.7 MB in the end (delta: 53.0 MB). Peak memory consumption was 256.9 MB. Max. memory is 8.0 GB. [2021-07-09 20:02:52,108 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 225.4 MB. Free memory is still 205.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 19.27 ms. Allocated memory is still 225.4 MB. Free memory was 204.0 MB in the beginning and 202.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.42 ms. Allocated memory is still 225.4 MB. Free memory was 202.5 MB in the beginning and 201.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 328.07 ms. Allocated memory is still 225.4 MB. Free memory was 201.5 MB in the beginning and 184.2 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 281816.78 ms. Allocated memory was 225.4 MB in the beginning and 427.8 MB in the end (delta: 202.4 MB). Free memory was 183.7 MB in the beginning and 130.7 MB in the end (delta: 53.0 MB). Peak memory consumption was 256.9 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...