/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-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-trans.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 04:11:01,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 04:11:01,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 04:11:01,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 04:11:01,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-14 04:11:01,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-14 04:11:01,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-14 04:11:01,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-14 04:11:01,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-14 04:11:01,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-14 04:11:01,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-14 04:11:01,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-14 04:11:01,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-14 04:11:01,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-14 04:11:01,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-14 04:11:01,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-14 04:11:01,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-14 04:11:01,608 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-NewStatesSleep-NoLbe-Random42.epf [2021-06-14 04:11:01,630 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 04:11:01,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 04:11:01,631 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 04:11:01,631 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 04:11:01,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 04:11:01,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 04:11:01,633 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 04:11:01,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 04:11:01,633 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 04:11:01,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 04:11:01,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 04:11:01,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 04:11:01,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 04:11:01,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 04:11:01,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 04:11:01,634 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 04:11:01,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 04:11:01,635 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 04:11:01,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 04:11:01,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 04:11:01,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 04:11:01,635 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 04:11:01,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 04:11:01,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 04:11:01,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 04:11:01,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 04:11:01,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 04:11:01,636 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 04:11:01,636 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-14 04:11:01,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 04:11:01,636 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 04:11:01,636 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 04:11:01,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 04:11:01,637 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-14 04:11:01,637 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-14 04:11:01,637 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 04:11:01,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 04:11:01,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 04:11:01,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 04:11:01,963 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 04:11:01,964 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 04:11:01,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-trans.wvr.bpl [2021-06-14 04:11:01,974 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-trans.wvr.bpl' [2021-06-14 04:11:02,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 04:11:02,011 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 04:11:02,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 04:11:02,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 04:11:02,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 04:11:02,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:11:02" (1/1) ... [2021-06-14 04:11:02,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:11:02" (1/1) ... [2021-06-14 04:11:02,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 04:11:02,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 04:11:02,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 04:11:02,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 04:11:02,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:11:02" (1/1) ... [2021-06-14 04:11:02,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:11:02" (1/1) ... [2021-06-14 04:11:02,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:11:02" (1/1) ... [2021-06-14 04:11:02,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:11:02" (1/1) ... [2021-06-14 04:11:02,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:11:02" (1/1) ... [2021-06-14 04:11:02,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:11:02" (1/1) ... [2021-06-14 04:11:02,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:11:02" (1/1) ... [2021-06-14 04:11:02,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 04:11:02,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 04:11:02,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 04:11:02,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 04:11:02,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:11:02" (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 [2021-06-14 04:11:02,112 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-14 04:11:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-14 04:11:02,113 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-14 04:11:02,113 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-14 04:11:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-14 04:11:02,113 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-14 04:11:02,113 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-14 04:11:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 04:11:02,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 04:11:02,114 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-14 04:11:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-14 04:11:02,115 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-14 04:11:02,116 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 04:11:02,486 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 04:11:02,486 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-06-14 04:11:02,486 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-14 04:11:02,487 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-14 04:11:02,487 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-06-14 04:11:02,488 INFO L202 PluginConnector]: Adding new model array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 04:11:02 BoogieIcfgContainer [2021-06-14 04:11:02,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 04:11:02,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 04:11:02,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 04:11:02,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 04:11:02,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:11:02" (1/2) ... [2021-06-14 04:11:02,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370c5043 and model type array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 04:11:02, skipping insertion in model container [2021-06-14 04:11:02,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 04:11:02" (2/2) ... [2021-06-14 04:11:02,493 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-trans.wvr.bpl [2021-06-14 04:11:02,498 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 04:11:02,499 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 04:11:02,500 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 04:11:02,500 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 04:11:02,544 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-14 04:11:02,561 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 04:11:02,620 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 04:11:02,620 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 04:11:02,620 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 04:11:02,620 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 04:11:02,620 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 04:11:02,621 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 04:11:02,621 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 04:11:02,621 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 04:11:02,649 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:11:02,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:11:02,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1882389542, now seen corresponding path program 1 times [2021-06-14 04:11:02,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:11:02,660 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743480291] [2021-06-14 04:11:02,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:11:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:02,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:02,794 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:11:02,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743480291] [2021-06-14 04:11:02,794 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743480291] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 04:11:02,794 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 04:11:02,795 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-14 04:11:02,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738466980] [2021-06-14 04:11:02,798 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-14 04:11:02,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:11:02,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-14 04:11:02,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-14 04:11:02,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:02,807 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:11:02,808 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:11:02,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:02,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:02,848 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 04:11:02,848 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:11:02,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:11:02,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1774806158, now seen corresponding path program 1 times [2021-06-14 04:11:02,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:11:02,849 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552197148] [2021-06-14 04:11:02,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:11:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:02,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:02,960 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:11:02,960 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552197148] [2021-06-14 04:11:02,960 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552197148] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:02,960 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957117589] [2021-06-14 04:11:02,960 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 [2021-06-14 04:11:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:03,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-14 04:11:03,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:11:03,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:03,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957117589] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:03,193 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:11:03,193 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-14 04:11:03,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850367298] [2021-06-14 04:11:03,194 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-14 04:11:03,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:11:03,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-14 04:11:03,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-06-14 04:11:03,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:03,195 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:11:03,195 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 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) [2021-06-14 04:11:03,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:03,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:03,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:03,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:03,520 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:03,521 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:11:03,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:11:03,521 INFO L82 PathProgramCache]: Analyzing trace with hash -820219514, now seen corresponding path program 1 times [2021-06-14 04:11:03,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:11:03,521 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385104462] [2021-06-14 04:11:03,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:11:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:03,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:03,564 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:11:03,564 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385104462] [2021-06-14 04:11:03,564 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385104462] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:03,564 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643543171] [2021-06-14 04:11:03,564 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 [2021-06-14 04:11:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:03,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-14 04:11:03,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:11:03,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:03,706 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643543171] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:03,706 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:11:03,706 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-14 04:11:03,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266412118] [2021-06-14 04:11:03,707 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-14 04:11:03,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:11:03,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-14 04:11:03,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-14 04:11:03,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:03,708 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:11:03,708 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 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) [2021-06-14 04:11:03,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:03,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:03,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:03,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:03,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:03,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:04,060 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:04,061 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:11:04,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:11:04,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1673803894, now seen corresponding path program 1 times [2021-06-14 04:11:04,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:11:04,062 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125014018] [2021-06-14 04:11:04,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:11:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:04,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:04,162 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:11:04,162 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125014018] [2021-06-14 04:11:04,162 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125014018] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:04,162 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193922189] [2021-06-14 04:11:04,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:04,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-14 04:11:04,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:11:04,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:04,333 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193922189] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:04,333 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:11:04,333 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-06-14 04:11:04,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448429394] [2021-06-14 04:11:04,333 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-14 04:11:04,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:11:04,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-14 04:11:04,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-06-14 04:11:04,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:04,334 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:11:04,334 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:11:04,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:04,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:04,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:04,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:04,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:04,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:04,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:04,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:04,656 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:04,657 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:11:04,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:11:04,657 INFO L82 PathProgramCache]: Analyzing trace with hash 348973346, now seen corresponding path program 1 times [2021-06-14 04:11:04,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:11:04,657 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923679762] [2021-06-14 04:11:04,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:11:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:04,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 04:11:04,714 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:11:04,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923679762] [2021-06-14 04:11:04,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923679762] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:04,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792950903] [2021-06-14 04:11:04,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:04,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-14 04:11:04,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:11:04,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 04:11:04,803 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792950903] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:04,803 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:11:04,803 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-14 04:11:04,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392996529] [2021-06-14 04:11:04,803 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-14 04:11:04,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:11:04,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-14 04:11:04,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-14 04:11:04,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:04,804 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:11:04,804 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 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) [2021-06-14 04:11:04,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:04,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:04,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:04,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:04,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:04,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:04,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:04,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:04,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:04,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:05,092 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-14 04:11:05,092 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:11:05,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:11:05,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1133665786, now seen corresponding path program 1 times [2021-06-14 04:11:05,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:11:05,093 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679076957] [2021-06-14 04:11:05,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:11:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:05,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 04:11:05,135 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:11:05,135 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679076957] [2021-06-14 04:11:05,135 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679076957] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:05,135 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336972572] [2021-06-14 04:11:05,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:05,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-14 04:11:05,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:11:05,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 04:11:05,248 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336972572] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:05,248 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:11:05,248 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-06-14 04:11:05,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392181809] [2021-06-14 04:11:05,248 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-14 04:11:05,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:11:05,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-14 04:11:05,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-06-14 04:11:05,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:05,250 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:11:05,250 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 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) [2021-06-14 04:11:05,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:05,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:05,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:05,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:05,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:05,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:05,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:05,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:05,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:05,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:05,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:05,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:05,529 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:05,529 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:11:05,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:11:05,529 INFO L82 PathProgramCache]: Analyzing trace with hash -783240814, now seen corresponding path program 1 times [2021-06-14 04:11:05,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:11:05,529 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406016332] [2021-06-14 04:11:05,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:11:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:05,897 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:05,898 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:11:05,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406016332] [2021-06-14 04:11:05,898 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406016332] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:05,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708500472] [2021-06-14 04:11:05,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-06-14 04:11:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:05,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-14 04:11:05,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:11:06,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:06,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:06,255 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 [2021-06-14 04:11:06,256 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:06,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:06,261 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 [2021-06-14 04:11:06,265 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-14 04:11:06,312 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:06,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:06,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:06,317 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 [2021-06-14 04:11:06,325 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:06,329 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:06,330 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 [2021-06-14 04:11:06,331 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:06,379 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:06,394 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-14 04:11:06,394 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:155, output treesize:143 [2021-06-14 04:11:06,739 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 10=[array_0]} [2021-06-14 04:11:06,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:06,750 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 35 treesize of output 27 [2021-06-14 04:11:06,753 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-06-14 04:11:06,759 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:06,760 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 [2021-06-14 04:11:06,761 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:06,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:06,767 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 27 treesize of output 21 [2021-06-14 04:11:06,769 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-14 04:11:06,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:06,774 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 37 treesize of output 29 [2021-06-14 04:11:06,776 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-14 04:11:06,782 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:06,782 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 18 treesize of output 14 [2021-06-14 04:11:06,783 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:06,789 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:06,790 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 [2021-06-14 04:11:06,791 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:06,797 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:06,797 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 28 treesize of output 22 [2021-06-14 04:11:06,799 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-06-14 04:11:06,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:06,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-14 04:11:06,806 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:06,812 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:06,812 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 27 treesize of output 21 [2021-06-14 04:11:06,813 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:06,819 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 [2021-06-14 04:11:06,821 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:07,136 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 77 [2021-06-14 04:11:07,137 INFO L628 ElimStorePlain]: treesize reduction 148, result has 71.4 percent of original size [2021-06-14 04:11:07,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:07,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:07,146 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 20 treesize of output 9 [2021-06-14 04:11:07,149 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:07,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:07,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:07,156 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 7 [2021-06-14 04:11:07,157 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:07,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:07,164 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:07,165 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 7 [2021-06-14 04:11:07,166 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:07,175 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:07,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:07,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:07,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-14 04:11:07,186 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:07,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:07,191 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:07,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 19 [2021-06-14 04:11:07,192 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:07,205 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:07,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:07,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:07,211 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 7 [2021-06-14 04:11:07,212 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:07,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:07,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:07,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-14 04:11:07,218 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:07,226 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:07,231 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:07,231 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:07,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-14 04:11:07,232 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:07,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:07,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:07,238 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 9 treesize of output 3 [2021-06-14 04:11:07,238 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:07,243 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:07,243 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:07,244 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 23 treesize of output 11 [2021-06-14 04:11:07,245 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:07,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:07,249 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 12 treesize of output 5 [2021-06-14 04:11:07,250 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:07,258 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:07,368 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-06-14 04:11:07,369 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:07,374 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-14 04:11:07,375 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 6 variables, input treesize:419, output treesize:179 [2021-06-14 04:11:07,541 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2021-06-14 04:11:07,618 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:07,618 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708500472] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:07,618 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:11:07,619 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16 [2021-06-14 04:11:07,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378652051] [2021-06-14 04:11:07,619 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-14 04:11:07,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:11:07,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-14 04:11:07,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-06-14 04:11:07,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:07,621 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:11:07,621 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.875) internal successors, (30), 16 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) [2021-06-14 04:11:07,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:07,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:07,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:07,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:07,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:07,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:07,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:08,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:08,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:08,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:08,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:08,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:08,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:08,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:08,551 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:08,551 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:11:08,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:11:08,552 INFO L82 PathProgramCache]: Analyzing trace with hash 1489998726, now seen corresponding path program 2 times [2021-06-14 04:11:08,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:11:08,552 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055072814] [2021-06-14 04:11:08,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:11:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:08,780 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:08,780 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:11:08,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055072814] [2021-06-14 04:11:08,780 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055072814] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:08,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132589542] [2021-06-14 04:11:08,781 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 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 [2021-06-14 04:11:08,811 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 04:11:08,812 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:11:08,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-14 04:11:08,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:11:09,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-14 04:11:09,035 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-14 04:11:09,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-14 04:11:09,040 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:09,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-14 04:11:09,044 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:09,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-14 04:11:09,049 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:09,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-14 04:11:09,053 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-06-14 04:11:09,057 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 19 treesize of output 15 [2021-06-14 04:11:09,058 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:09,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-14 04:11:09,062 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:09,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-14 04:11:09,067 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:09,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-14 04:11:09,072 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:09,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-14 04:11:09,076 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:09,179 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 37 [2021-06-14 04:11:09,180 INFO L628 ElimStorePlain]: treesize reduction 136, result has 51.1 percent of original size [2021-06-14 04:11:09,188 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2021-06-14 04:11:09,188 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 2 variables, input treesize:317, output treesize:142 [2021-06-14 04:11:09,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:09,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:09,480 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 [2021-06-14 04:11:09,481 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:09,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:09,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:09,486 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 [2021-06-14 04:11:09,486 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:09,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:09,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:09,491 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 26 treesize of output 20 [2021-06-14 04:11:09,493 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:09,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:09,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:09,498 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 [2021-06-14 04:11:09,499 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:09,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:09,504 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:09,504 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 28 treesize of output 22 [2021-06-14 04:11:09,505 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:09,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:09,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:09,510 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 [2021-06-14 04:11:09,511 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:09,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:09,516 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:09,516 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 [2021-06-14 04:11:09,517 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:09,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:09,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:09,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-14 04:11:09,523 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:09,527 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 04:11:09,528 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:09,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:09,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:09,533 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 18 treesize of output 14 [2021-06-14 04:11:09,534 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:09,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:09,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:09,538 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 [2021-06-14 04:11:09,539 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:09,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:09,543 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 [2021-06-14 04:11:09,544 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:09,668 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2021-06-14 04:11:09,668 INFO L628 ElimStorePlain]: treesize reduction 122, result has 49.2 percent of original size [2021-06-14 04:11:09,672 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:09,673 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:09,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-14 04:11:09,674 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:09,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:09,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-14 04:11:09,680 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:09,724 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:09,728 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-14 04:11:09,728 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 7 variables, input treesize:405, output treesize:50 [2021-06-14 04:11:09,833 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:09,833 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132589542] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:09,834 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:11:09,834 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 17 [2021-06-14 04:11:09,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709135682] [2021-06-14 04:11:09,834 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-14 04:11:09,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:11:09,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-14 04:11:09,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2021-06-14 04:11:09,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:09,835 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:11:09,835 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:11:09,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:09,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:09,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:09,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:09,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:09,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:09,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:09,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:10,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:10,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:10,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:10,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:10,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:10,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:10,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:10,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:10,941 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-06-14 04:11:10,941 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:11:10,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:11:10,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1196384300, now seen corresponding path program 3 times [2021-06-14 04:11:10,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:11:10,941 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528904537] [2021-06-14 04:11:10,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:11:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:11,226 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:11,227 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:11:11,227 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528904537] [2021-06-14 04:11:11,227 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528904537] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:11,227 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753899848] [2021-06-14 04:11:11,227 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:11,261 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-14 04:11:11,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:11:11,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-14 04:11:11,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:11:11,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-14 04:11:11,449 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:11,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-14 04:11:11,453 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:11,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-14 04:11:11,457 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:11,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-14 04:11:11,461 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:11,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-14 04:11:11,465 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:11,467 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 26 treesize of output 20 [2021-06-14 04:11:11,468 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:11,540 INFO L628 ElimStorePlain]: treesize reduction 55, result has 60.4 percent of original size [2021-06-14 04:11:11,541 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-14 04:11:11,541 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:199, output treesize:84 [2021-06-14 04:11:11,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:11,684 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:11,684 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 [2021-06-14 04:11:11,685 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:11,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:11,688 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 [2021-06-14 04:11:11,689 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:11,725 INFO L628 ElimStorePlain]: treesize reduction 59, result has 43.8 percent of original size [2021-06-14 04:11:11,726 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 04:11:11,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:11,728 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 27 treesize of output 21 [2021-06-14 04:11:11,729 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-14 04:11:11,745 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:11,747 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:11,748 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:11,748 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 7 [2021-06-14 04:11:11,749 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:11,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:11,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-14 04:11:11,752 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:11,759 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:11,773 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:11,775 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 04:11:11,775 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:119, output treesize:18 [2021-06-14 04:11:11,801 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:11,801 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753899848] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:11,801 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:11:11,801 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 17 [2021-06-14 04:11:11,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699723740] [2021-06-14 04:11:11,802 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-14 04:11:11,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:11:11,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-14 04:11:11,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2021-06-14 04:11:11,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:11,803 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:11:11,803 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:11:11,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:11,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:11,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:11,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:11,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:11,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:11,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:11,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:11,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:12,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:12,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:12,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:12,742 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:12,742 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:11:12,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:11:12,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1567452548, now seen corresponding path program 4 times [2021-06-14 04:11:12,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:11:12,743 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645732625] [2021-06-14 04:11:12,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:11:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:12,872 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:12,872 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:11:12,872 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645732625] [2021-06-14 04:11:12,872 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645732625] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:12,872 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247548537] [2021-06-14 04:11:12,872 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:12,902 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 04:11:12,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:11:12,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-14 04:11:12,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:11:13,082 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 [2021-06-14 04:11:13,083 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:13,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:13,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:13,086 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 [2021-06-14 04:11:13,087 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:13,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:13,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:13,091 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 [2021-06-14 04:11:13,092 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:13,094 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 [2021-06-14 04:11:13,095 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:13,099 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 [2021-06-14 04:11:13,100 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:13,102 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 [2021-06-14 04:11:13,103 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:13,168 INFO L628 ElimStorePlain]: treesize reduction 34, result has 67.9 percent of original size [2021-06-14 04:11:13,171 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2021-06-14 04:11:13,171 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:159, output treesize:64 [2021-06-14 04:11:13,290 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 [2021-06-14 04:11:13,291 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:13,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:13,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:13,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-14 04:11:13,296 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:13,298 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:13,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:13,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-14 04:11:13,300 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:13,302 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 [2021-06-14 04:11:13,303 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:13,330 INFO L628 ElimStorePlain]: treesize reduction 38, result has 41.5 percent of original size [2021-06-14 04:11:13,331 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 04:11:13,332 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:11:13,332 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:103, output treesize:13 [2021-06-14 04:11:13,356 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:13,357 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247548537] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:13,357 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:11:13,357 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2021-06-14 04:11:13,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448248630] [2021-06-14 04:11:13,357 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-14 04:11:13,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:11:13,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-14 04:11:13,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2021-06-14 04:11:13,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:13,358 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:11:13,358 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.8125) internal successors, (29), 16 states have internal predecessors, (29), 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) [2021-06-14 04:11:13,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:13,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:13,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:13,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:13,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:13,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:13,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:13,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:13,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:13,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:13,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:13,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:13,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:13,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:13,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:13,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:13,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:13,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:13,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:13,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:14,069 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:14,069 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:11:14,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:11:14,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1526617790, now seen corresponding path program 5 times [2021-06-14 04:11:14,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:11:14,070 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912666216] [2021-06-14 04:11:14,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:11:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:14,227 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:14,227 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:11:14,227 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912666216] [2021-06-14 04:11:14,227 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912666216] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:14,227 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850828935] [2021-06-14 04:11:14,227 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:14,276 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 04:11:14,276 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:11:14,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-14 04:11:14,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:11:14,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-14 04:11:14,359 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:14,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-14 04:11:14,362 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:14,378 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:14,380 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-14 04:11:14,380 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:67, output treesize:53 [2021-06-14 04:11:14,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:14,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:14,484 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 [2021-06-14 04:11:14,485 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:14,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:14,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:14,489 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 [2021-06-14 04:11:14,490 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:14,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:14,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:14,494 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 [2021-06-14 04:11:14,495 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:14,499 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:14,501 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 [2021-06-14 04:11:14,502 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-14 04:11:14,570 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-06-14 04:11:14,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:14,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:14,575 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 11 treesize of output 3 [2021-06-14 04:11:14,575 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:14,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:14,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:14,579 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 21 treesize of output 7 [2021-06-14 04:11:14,580 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:14,586 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:14,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:14,589 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 9 treesize of output 3 [2021-06-14 04:11:14,590 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:14,620 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:14,622 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 04:11:14,622 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:149, output treesize:55 [2021-06-14 04:11:14,722 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:14,723 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850828935] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:14,723 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:11:14,723 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2021-06-14 04:11:14,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470967029] [2021-06-14 04:11:14,723 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-14 04:11:14,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:11:14,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-14 04:11:14,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2021-06-14 04:11:14,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:14,724 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:11:14,724 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.875) internal successors, (30), 16 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) [2021-06-14 04:11:14,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:14,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:14,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:14,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:14,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:14,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:14,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:14,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:14,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:14,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:14,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:15,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:15,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:15,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:15,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:15,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:15,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:15,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:15,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:15,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:15,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:15,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:15,410 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141,12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:15,411 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:11:15,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:11:15,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1689755688, now seen corresponding path program 6 times [2021-06-14 04:11:15,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:11:15,411 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358285835] [2021-06-14 04:11:15,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:11:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:15,521 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:15,521 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:11:15,522 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358285835] [2021-06-14 04:11:15,522 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358285835] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:15,522 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038094314] [2021-06-14 04:11:15,522 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:15,556 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-06-14 04:11:15,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:11:15,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-14 04:11:15,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:11:15,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:15,636 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 [2021-06-14 04:11:15,637 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:15,640 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 [2021-06-14 04:11:15,640 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:15,655 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:15,656 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:11:15,656 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:39 [2021-06-14 04:11:15,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:15,720 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 [2021-06-14 04:11:15,721 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:15,725 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 [2021-06-14 04:11:15,726 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:15,741 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 04:11:15,741 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 04:11:15,742 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 04:11:15,742 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 04:11:15,761 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:15,761 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038094314] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:15,761 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:11:15,761 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2021-06-14 04:11:15,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352479996] [2021-06-14 04:11:15,762 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-14 04:11:15,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:11:15,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-14 04:11:15,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-06-14 04:11:15,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:15,763 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:11:15,763 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 15 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) [2021-06-14 04:11:15,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:15,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:15,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:15,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:15,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:15,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:15,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:15,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:15,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:15,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:15,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:15,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:15,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:15,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:15,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:15,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:15,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:15,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:15,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:15,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:15,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:15,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:15,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:15,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:16,128 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:16,129 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:11:16,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:11:16,129 INFO L82 PathProgramCache]: Analyzing trace with hash 843478960, now seen corresponding path program 7 times [2021-06-14 04:11:16,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:11:16,129 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015880442] [2021-06-14 04:11:16,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:11:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:16,455 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:16,455 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:11:16,455 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015880442] [2021-06-14 04:11:16,455 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015880442] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:16,455 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918239310] [2021-06-14 04:11:16,455 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:16,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 35 conjunts are in the unsatisfiable core [2021-06-14 04:11:16,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:11:17,015 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2021-06-14 04:11:17,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:17,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:17,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:17,196 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:17,197 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:17,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:17,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-06-14 04:11:17,201 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:17,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:17,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:17,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:17,208 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:17,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-14 04:11:17,210 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:17,521 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2021-06-14 04:11:17,522 INFO L628 ElimStorePlain]: treesize reduction 67, result has 79.9 percent of original size [2021-06-14 04:11:17,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:17,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:17,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:17,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:17,529 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:17,530 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:17,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-14 04:11:17,537 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:17,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:17,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:17,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:17,547 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:17,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-06-14 04:11:17,550 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:17,626 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:17,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:17,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:17,632 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:17,632 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:17,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2021-06-14 04:11:17,633 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:17,703 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:17,728 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 3 dim-1 vars, End of recursive call: 10 dim-0 vars, and 5 xjuncts. [2021-06-14 04:11:17,728 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 9 variables, input treesize:370, output treesize:229 [2021-06-14 04:11:18,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:18,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:18,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:18,211 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 29 treesize of output 21 [2021-06-14 04:11:18,212 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:18,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:18,217 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:18,218 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 31 treesize of output 23 [2021-06-14 04:11:18,219 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:18,347 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-06-14 04:11:18,347 INFO L628 ElimStorePlain]: treesize reduction 48, result has 79.0 percent of original size [2021-06-14 04:11:18,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:18,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:18,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:18,355 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 30 treesize of output 22 [2021-06-14 04:11:18,356 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:18,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:18,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:18,361 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 28 treesize of output 20 [2021-06-14 04:11:18,362 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:18,409 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:18,413 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:18,413 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:18,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-14 04:11:18,414 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:18,421 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:18,422 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 9 treesize of output 3 [2021-06-14 04:11:18,423 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:18,468 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:18,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:18,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:18,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:18,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-06-14 04:11:18,476 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-06-14 04:11:18,523 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:18,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:18,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:18,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-14 04:11:18,529 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:18,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:18,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-14 04:11:18,533 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:18,579 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:18,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:18,583 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:18,583 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 21 treesize of output 7 [2021-06-14 04:11:18,584 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:18,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:18,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-14 04:11:18,589 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:18,596 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:18,641 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:18,644 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-14 04:11:18,644 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 12 variables, input treesize:265, output treesize:31 [2021-06-14 04:11:18,697 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:18,697 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1918239310] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:18,698 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:11:18,698 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 21 [2021-06-14 04:11:18,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400007365] [2021-06-14 04:11:18,698 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-14 04:11:18,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:11:18,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-14 04:11:18,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2021-06-14 04:11:18,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:18,698 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:11:18,699 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.619047619047619) internal successors, (34), 21 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) [2021-06-14 04:11:18,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:18,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:18,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:18,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:18,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:18,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:18,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:18,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:18,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:18,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:18,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:18,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:18,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:19,174 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2021-06-14 04:11:19,396 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 91 [2021-06-14 04:11:19,671 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2021-06-14 04:11:19,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:20,132 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable156 [2021-06-14 04:11:20,133 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:11:20,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:11:20,133 INFO L82 PathProgramCache]: Analyzing trace with hash 378704168, now seen corresponding path program 8 times [2021-06-14 04:11:20,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:11:20,133 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024581956] [2021-06-14 04:11:20,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:11:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:20,391 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:20,391 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:11:20,392 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024581956] [2021-06-14 04:11:20,392 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024581956] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:20,392 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889519773] [2021-06-14 04:11:20,392 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-06-14 04:11:20,424 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 04:11:20,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:11:20,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-14 04:11:20,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:11:20,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:20,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-06-14 04:11:20,571 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-14 04:11:20,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:20,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-14 04:11:20,577 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:20,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:20,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-06-14 04:11:20,583 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:20,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:20,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-06-14 04:11:20,588 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:20,623 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:20,624 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-14 04:11:20,624 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:175, output treesize:119 [2021-06-14 04:11:20,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:20,811 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 [2021-06-14 04:11:20,812 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:20,815 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:20,815 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 18 treesize of output 14 [2021-06-14 04:11:20,816 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:20,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:20,819 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 [2021-06-14 04:11:20,819 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:20,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:20,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-14 04:11:20,824 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:20,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:20,827 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 19 treesize of output 15 [2021-06-14 04:11:20,828 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:20,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:20,832 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 [2021-06-14 04:11:20,833 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:20,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:20,836 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 18 treesize of output 14 [2021-06-14 04:11:20,837 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:20,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:20,841 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 28 treesize of output 22 [2021-06-14 04:11:20,842 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:20,845 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 04:11:20,845 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:20,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:20,849 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 [2021-06-14 04:11:20,850 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:20,852 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 04:11:20,853 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:20,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:20,862 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 [2021-06-14 04:11:20,862 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:20,865 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 04:11:20,865 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:20,867 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 04:11:20,868 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:20,918 INFO L628 ElimStorePlain]: treesize reduction 97, result has 39.0 percent of original size [2021-06-14 04:11:20,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:20,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-14 04:11:20,921 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:20,923 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 20 treesize of output 9 [2021-06-14 04:11:20,924 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:20,942 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:20,943 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-14 04:11:20,943 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 2 variables, input treesize:377, output treesize:46 [2021-06-14 04:11:21,010 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:21,010 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889519773] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:21,010 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:11:21,011 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 21 [2021-06-14 04:11:21,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069959535] [2021-06-14 04:11:21,011 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-14 04:11:21,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:11:21,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-14 04:11:21,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-06-14 04:11:21,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:21,012 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:11:21,012 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.619047619047619) internal successors, (34), 21 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) [2021-06-14 04:11:21,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:21,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:21,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:21,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:21,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:21,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:21,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:21,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:21,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:21,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:21,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:21,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:21,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:21,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:21,466 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-06-14 04:11:21,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:21,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:21,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:21,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:21,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:21,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:21,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:21,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:21,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:21,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:21,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:21,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:21,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:21,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:21,832 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable224 [2021-06-14 04:11:21,833 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:11:21,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:11:21,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1294791014, now seen corresponding path program 9 times [2021-06-14 04:11:21,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:11:21,833 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203298218] [2021-06-14 04:11:21,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:11:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:22,083 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:22,083 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:11:22,083 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203298218] [2021-06-14 04:11:22,083 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203298218] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:22,083 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390565715] [2021-06-14 04:11:22,083 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:22,116 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-14 04:11:22,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:11:22,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-14 04:11:22,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:11:22,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:22,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:22,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:22,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:22,588 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 27 treesize of output 19 [2021-06-14 04:11:22,591 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:22,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:22,596 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:22,597 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:22,597 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 [2021-06-14 04:11:22,598 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:22,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:22,602 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:22,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:22,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-06-14 04:11:22,605 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:22,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:22,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:22,610 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:22,611 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 27 treesize of output 19 [2021-06-14 04:11:22,616 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:22,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:22,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:22,622 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:22,622 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 37 treesize of output 27 [2021-06-14 04:11:22,623 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:22,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:22,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:22,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:22,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-06-14 04:11:22,629 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:22,771 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2021-06-14 04:11:22,772 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.9 percent of original size [2021-06-14 04:11:22,781 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-14 04:11:22,781 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:313, output treesize:182 [2021-06-14 04:11:23,158 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:23,159 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:23,159 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 [2021-06-14 04:11:23,160 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:23,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:23,163 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 [2021-06-14 04:11:23,164 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:23,204 INFO L628 ElimStorePlain]: treesize reduction 75, result has 40.9 percent of original size [2021-06-14 04:11:23,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:23,207 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 [2021-06-14 04:11:23,208 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-14 04:11:23,226 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:23,228 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:23,228 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:23,229 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 7 [2021-06-14 04:11:23,229 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:23,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:23,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-14 04:11:23,233 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:23,240 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:23,255 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:23,255 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 04:11:23,257 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 04:11:23,257 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:141, output treesize:18 [2021-06-14 04:11:23,287 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:23,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390565715] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:23,287 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:11:23,287 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 23 [2021-06-14 04:11:23,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156355886] [2021-06-14 04:11:23,288 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-14 04:11:23,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:11:23,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-14 04:11:23,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2021-06-14 04:11:23,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:23,288 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:11:23,288 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:11:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:23,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:23,749 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2021-06-14 04:11:24,078 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 78 [2021-06-14 04:11:24,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:24,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:24,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:24,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:24,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:24,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:24,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:24,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:24,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:24,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:24,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:24,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:24,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:24,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:24,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:25,007 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:25,007 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:11:25,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:11:25,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1483155586, now seen corresponding path program 10 times [2021-06-14 04:11:25,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:11:25,008 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858613251] [2021-06-14 04:11:25,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:11:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:25,222 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:25,222 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:11:25,222 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858613251] [2021-06-14 04:11:25,222 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858613251] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:25,222 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095132063] [2021-06-14 04:11:25,222 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:25,254 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 04:11:25,254 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:11:25,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-14 04:11:25,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:11:25,405 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 [2021-06-14 04:11:25,406 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:25,409 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:25,409 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 [2021-06-14 04:11:25,410 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:25,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-14 04:11:25,414 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:25,416 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 04:11:25,416 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:25,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:25,419 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 [2021-06-14 04:11:25,420 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:25,423 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 [2021-06-14 04:11:25,424 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:25,460 INFO L628 ElimStorePlain]: treesize reduction 17, result has 72.1 percent of original size [2021-06-14 04:11:25,461 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-14 04:11:25,461 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:125, output treesize:44 [2021-06-14 04:11:25,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:25,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-14 04:11:25,578 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:25,580 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 [2021-06-14 04:11:25,581 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:25,583 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 [2021-06-14 04:11:25,584 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:25,586 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 [2021-06-14 04:11:25,587 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:25,602 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-14 04:11:25,602 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 04:11:25,602 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:11:25,603 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-14 04:11:25,630 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:25,630 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095132063] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:25,630 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:11:25,630 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 25 [2021-06-14 04:11:25,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143139899] [2021-06-14 04:11:25,630 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-14 04:11:25,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:11:25,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-14 04:11:25,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=543, Unknown=0, NotChecked=0, Total=600 [2021-06-14 04:11:25,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:25,631 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:11:25,631 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.68) internal successors, (42), 25 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) [2021-06-14 04:11:25,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:25,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:25,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:25,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:25,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:25,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:25,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:25,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:25,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:25,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:25,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:25,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:25,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:25,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:25,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:25,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:26,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:26,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:26,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:26,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:26,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:26,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:26,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:26,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:26,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:26,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:26,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:26,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:26,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:26,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:26,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:26,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:26,614 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable258,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:26,614 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:11:26,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:11:26,614 INFO L82 PathProgramCache]: Analyzing trace with hash -642802170, now seen corresponding path program 11 times [2021-06-14 04:11:26,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:11:26,614 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774475908] [2021-06-14 04:11:26,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:11:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:26,727 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:26,727 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:11:26,727 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774475908] [2021-06-14 04:11:26,727 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774475908] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:26,727 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890813249] [2021-06-14 04:11:26,727 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:26,757 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-14 04:11:26,757 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:11:26,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-14 04:11:26,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:11:26,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-14 04:11:26,858 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:26,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-14 04:11:26,861 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:26,877 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:26,878 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:11:26,878 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:57, output treesize:43 [2021-06-14 04:11:26,947 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 [2021-06-14 04:11:26,948 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:26,950 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 [2021-06-14 04:11:26,951 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:26,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:26,953 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 [2021-06-14 04:11:26,954 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:26,955 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 [2021-06-14 04:11:26,956 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:26,972 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-14 04:11:26,972 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 04:11:26,972 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:11:26,972 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-14 04:11:26,992 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:26,992 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890813249] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:26,992 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:11:26,993 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-06-14 04:11:26,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485456716] [2021-06-14 04:11:26,998 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-14 04:11:26,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:11:26,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-14 04:11:26,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-06-14 04:11:26,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:26,998 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:11:26,998 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.75) internal successors, (28), 16 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) [2021-06-14 04:11:26,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:26,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:26,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:26,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:26,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:26,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:26,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:26,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:26,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:26,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:26,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:26,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:26,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:26,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:26,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:26,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:26,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:27,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:27,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:27,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:27,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:27,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:27,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:27,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:27,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:27,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:27,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:27,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:27,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:27,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:27,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:27,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:27,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:27,473 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable265 [2021-06-14 04:11:27,473 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:11:27,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:11:27,473 INFO L82 PathProgramCache]: Analyzing trace with hash -124865788, now seen corresponding path program 12 times [2021-06-14 04:11:27,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:11:27,473 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300623518] [2021-06-14 04:11:27,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:11:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:27,674 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:27,674 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:11:27,674 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300623518] [2021-06-14 04:11:27,675 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300623518] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:27,675 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011567053] [2021-06-14 04:11:27,675 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:27,707 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-14 04:11:27,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:11:27,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-14 04:11:27,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:11:27,878 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:27,879 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:27,879 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 [2021-06-14 04:11:27,880 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:27,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:27,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:27,885 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 [2021-06-14 04:11:27,886 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:27,889 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:27,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2021-06-14 04:11:27,891 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:27,958 INFO L628 ElimStorePlain]: treesize reduction 42, result has 64.4 percent of original size [2021-06-14 04:11:27,961 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-14 04:11:27,961 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:139, output treesize:76 [2021-06-14 04:11:28,378 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:28,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:28,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:28,380 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 [2021-06-14 04:11:28,381 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:28,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:28,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:28,386 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:28,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 34 [2021-06-14 04:11:28,389 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2021-06-14 04:11:28,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:28,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:28,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:28,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-06-14 04:11:28,397 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:28,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:28,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:28,401 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 [2021-06-14 04:11:28,402 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:28,484 INFO L628 ElimStorePlain]: treesize reduction 156, result has 35.8 percent of original size [2021-06-14 04:11:28,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:28,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:28,492 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 7 [2021-06-14 04:11:28,492 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:28,497 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:28,497 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 7 [2021-06-14 04:11:28,498 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:28,505 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:28,530 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:28,532 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:11:28,532 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:227, output treesize:44 [2021-06-14 04:11:28,618 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:28,618 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011567053] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:28,618 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:11:28,618 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 23 [2021-06-14 04:11:28,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114286194] [2021-06-14 04:11:28,618 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-14 04:11:28,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:11:28,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-14 04:11:28,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2021-06-14 04:11:28,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:28,619 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:11:28,619 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 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) [2021-06-14 04:11:28,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:28,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:28,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:28,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:28,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:28,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:28,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:28,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:28,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:28,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:28,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:28,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:28,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:28,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:28,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:28,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:28,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:28,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:29,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:11:29,450 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable272,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:29,451 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:11:29,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:11:29,451 INFO L82 PathProgramCache]: Analyzing trace with hash -54555182, now seen corresponding path program 13 times [2021-06-14 04:11:29,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:11:29,451 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941203569] [2021-06-14 04:11:29,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:11:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:29,843 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:29,843 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:11:29,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941203569] [2021-06-14 04:11:29,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941203569] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:29,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527298491] [2021-06-14 04:11:29,843 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:29,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-14 04:11:29,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:11:30,563 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2021-06-14 04:11:30,844 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 123 [2021-06-14 04:11:30,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:30,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:30,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:30,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:30,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:30,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:30,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:30,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:30,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:30,957 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:30,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:30,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:30,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 43 [2021-06-14 04:11:30,960 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:30,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:30,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:30,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:30,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:30,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:30,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:30,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:30,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:30,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:30,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-14 04:11:30,970 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:31,141 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2021-06-14 04:11:31,141 INFO L628 ElimStorePlain]: treesize reduction 48, result has 86.8 percent of original size [2021-06-14 04:11:31,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:31,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:31,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:31,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:31,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:31,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:31,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:31,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:31,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:31,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:31,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:31,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 45 [2021-06-14 04:11:31,156 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:31,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:31,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:31,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:31,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:31,162 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:31,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:31,164 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:31,164 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:31,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 43 [2021-06-14 04:11:31,166 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:31,238 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:31,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:31,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:31,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:31,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:31,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:31,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:31,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:31,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:31,247 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:31,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:31,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:31,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:31,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-14 04:11:31,253 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:31,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:31,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:31,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:31,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:31,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:31,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:31,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:31,264 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:31,265 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:31,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 43 [2021-06-14 04:11:31,266 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:31,325 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:31,332 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2021-06-14 04:11:31,332 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:414, output treesize:232 [2021-06-14 04:11:31,824 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_64, v_prenex_62, array_4], 6=[v_prenex_61, array_0, v_prenex_63]} [2021-06-14 04:11:31,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2021-06-14 04:11:31,832 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:31,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2021-06-14 04:11:31,840 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-14 04:11:31,954 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-06-14 04:11:31,955 INFO L628 ElimStorePlain]: treesize reduction 24, result has 90.0 percent of original size [2021-06-14 04:11:31,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2021-06-14 04:11:31,962 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:31,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 30 [2021-06-14 04:11:31,966 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:32,010 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:32,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2021-06-14 04:11:32,020 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:32,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2021-06-14 04:11:32,027 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:32,058 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:32,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:32,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:32,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-14 04:11:32,062 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:32,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:32,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-14 04:11:32,066 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:32,096 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:32,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:32,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:32,099 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 9 treesize of output 3 [2021-06-14 04:11:32,100 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:32,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:32,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-14 04:11:32,105 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:32,134 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:32,137 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:32,137 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:32,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-14 04:11:32,138 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:32,140 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:32,141 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 7 [2021-06-14 04:11:32,141 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:32,148 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:32,175 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:32,177 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-14 04:11:32,177 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 9 variables, input treesize:271, output treesize:31 [2021-06-14 04:11:32,233 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:32,233 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527298491] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:32,234 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:11:32,234 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 28 [2021-06-14 04:11:32,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766182958] [2021-06-14 04:11:32,234 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-14 04:11:32,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:11:32,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-14 04:11:32,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-14 04:11:32,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:32,234 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:11:32,235 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.5) internal successors, (42), 28 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) [2021-06-14 04:11:32,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:32,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:32,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:32,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:32,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:32,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:32,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:32,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:32,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:32,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:32,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:32,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:32,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:32,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:32,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:32,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:32,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:32,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:11:32,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:32,902 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2021-06-14 04:11:33,236 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2021-06-14 04:11:33,596 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 98 [2021-06-14 04:11:33,897 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 135 [2021-06-14 04:11:34,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:34,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:34,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:34,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:34,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:34,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:34,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:34,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:34,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:34,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:11:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:11:34,460 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable290,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:34,460 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:11:34,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:11:34,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1690550458, now seen corresponding path program 14 times [2021-06-14 04:11:34,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:11:34,461 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294998467] [2021-06-14 04:11:34,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:11:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:34,744 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:34,744 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:11:34,744 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294998467] [2021-06-14 04:11:34,744 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294998467] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:34,744 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917666290] [2021-06-14 04:11:34,744 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:34,780 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 04:11:34,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:11:34,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-14 04:11:34,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:11:35,237 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2021-06-14 04:11:35,465 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-14 04:11:35,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:35,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:35,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:35,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:35,557 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:35,558 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 37 treesize of output 25 [2021-06-14 04:11:35,559 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:35,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:35,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:35,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:35,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:35,567 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:35,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:35,570 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 [2021-06-14 04:11:35,572 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:35,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:35,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:35,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:35,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:35,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:35,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:35,581 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 37 treesize of output 25 [2021-06-14 04:11:35,582 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:35,666 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:35,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:35,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:35,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:35,673 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:35,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:35,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:35,677 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 57 treesize of output 41 [2021-06-14 04:11:35,679 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 4 xjuncts. [2021-06-14 04:11:35,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:35,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:35,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:35,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:35,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:35,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:35,690 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 [2021-06-14 04:11:35,691 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:35,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:35,696 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:35,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:35,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:35,698 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 [2021-06-14 04:11:35,699 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:35,776 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:35,810 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-1 vars, End of recursive call: 12 dim-0 vars, and 6 xjuncts. [2021-06-14 04:11:35,810 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 10 variables, input treesize:359, output treesize:269 [2021-06-14 04:11:36,584 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2021-06-14 04:11:36,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:36,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:36,909 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 [2021-06-14 04:11:36,909 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:36,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:36,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:36,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-14 04:11:36,926 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:36,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:36,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:36,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-14 04:11:36,934 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:36,940 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:36,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:36,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-14 04:11:36,942 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:36,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:36,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:36,948 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 [2021-06-14 04:11:36,949 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:36,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:36,955 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:36,955 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 [2021-06-14 04:11:36,956 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:36,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:36,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:36,963 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 [2021-06-14 04:11:36,964 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:36,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:36,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:36,970 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 28 treesize of output 22 [2021-06-14 04:11:36,971 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:36,976 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:36,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:36,977 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 26 treesize of output 20 [2021-06-14 04:11:36,978 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:36,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:36,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:36,985 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 28 treesize of output 22 [2021-06-14 04:11:36,986 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:36,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:36,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:36,992 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 28 treesize of output 22 [2021-06-14 04:11:36,993 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2021-06-14 04:11:36,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:36,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:36,999 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 [2021-06-14 04:11:37,000 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:37,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:37,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:37,007 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 [2021-06-14 04:11:37,008 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:37,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:37,015 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 [2021-06-14 04:11:37,016 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:37,219 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-06-14 04:11:37,219 INFO L628 ElimStorePlain]: treesize reduction 199, result has 47.8 percent of original size [2021-06-14 04:11:37,224 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:37,225 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:37,225 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 20 treesize of output 9 [2021-06-14 04:11:37,226 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:37,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:37,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-14 04:11:37,231 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:37,300 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:37,305 INFO L550 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-14 04:11:37,306 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 16 variables, input treesize:541, output treesize:61 [2021-06-14 04:11:37,422 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:37,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917666290] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:37,422 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:11:37,422 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 27 [2021-06-14 04:11:37,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940027230] [2021-06-14 04:11:37,422 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-14 04:11:37,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:11:37,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-14 04:11:37,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=644, Unknown=0, NotChecked=0, Total=702 [2021-06-14 04:11:37,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:37,423 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:11:37,423 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 27 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:11:37,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:37,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:37,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:37,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:37,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:37,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:37,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:37,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:37,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:37,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:37,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:37,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:37,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:37,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:37,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:37,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:37,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:37,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:11:37,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:11:37,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:38,608 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2021-06-14 04:11:38,860 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 73 [2021-06-14 04:11:39,325 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-06-14 04:11:39,599 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2021-06-14 04:11:39,821 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-06-14 04:11:40,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:40,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:40,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:40,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:40,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:40,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:40,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:40,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:40,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:40,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:40,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:40,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:40,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:40,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:40,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:40,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:40,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:40,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:11:40,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:11:40,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:11:40,260 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable339 [2021-06-14 04:11:40,261 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:11:40,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:11:40,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1728050364, now seen corresponding path program 15 times [2021-06-14 04:11:40,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:11:40,261 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630884902] [2021-06-14 04:11:40,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:11:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:40,417 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:40,417 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:11:40,417 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630884902] [2021-06-14 04:11:40,417 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630884902] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:40,417 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670284949] [2021-06-14 04:11:40,417 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:40,451 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-14 04:11:40,451 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:11:40,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-14 04:11:40,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:11:40,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:40,548 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 [2021-06-14 04:11:40,549 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:40,551 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 [2021-06-14 04:11:40,551 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:40,566 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:40,566 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:11:40,566 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:39 [2021-06-14 04:11:40,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:40,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-14 04:11:40,663 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:40,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-14 04:11:40,665 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:40,679 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 04:11:40,679 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 04:11:40,679 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 04:11:40,679 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 04:11:40,701 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:40,701 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670284949] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:40,701 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:11:40,701 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 22 [2021-06-14 04:11:40,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967747385] [2021-06-14 04:11:40,702 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-14 04:11:40,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:11:40,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-14 04:11:40,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-06-14 04:11:40,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:40,702 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:11:40,702 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 22 states have internal predecessors, (35), 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) [2021-06-14 04:11:40,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:40,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:40,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:40,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:40,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:40,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:40,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:40,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:40,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:40,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:40,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:40,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:40,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:40,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:40,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:40,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:40,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:40,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:11:40,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:11:40,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:11:40,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:41,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:41,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:41,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:41,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:41,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:41,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:41,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:41,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:41,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:41,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:41,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:41,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:41,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:41,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:41,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:41,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:41,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:41,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:11:41,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:11:41,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:11:41,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:41,284 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable389 [2021-06-14 04:11:41,285 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:11:41,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:11:41,285 INFO L82 PathProgramCache]: Analyzing trace with hash -2029293548, now seen corresponding path program 16 times [2021-06-14 04:11:41,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:11:41,285 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033434557] [2021-06-14 04:11:41,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:11:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:41,533 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:41,533 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:11:41,533 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033434557] [2021-06-14 04:11:41,533 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033434557] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:41,533 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010963421] [2021-06-14 04:11:41,533 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:41,568 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 04:11:41,568 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:11:41,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-14 04:11:41,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:11:42,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:42,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:42,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:42,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:42,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:42,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:42,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:42,045 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 37 treesize of output 25 [2021-06-14 04:11:42,047 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:42,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:42,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:42,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:42,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:42,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:42,053 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:42,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:42,057 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 38 treesize of output 26 [2021-06-14 04:11:42,059 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:42,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:42,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:42,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:42,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:42,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:42,066 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 [2021-06-14 04:11:42,068 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:42,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:42,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:42,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:42,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:42,073 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 48 treesize of output 34 [2021-06-14 04:11:42,075 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:42,166 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.3 percent of original size [2021-06-14 04:11:42,169 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2021-06-14 04:11:42,169 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:253, output treesize:111 [2021-06-14 04:11:42,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:42,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:42,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2021-06-14 04:11:42,657 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:42,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:42,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:42,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-14 04:11:42,663 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:42,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:42,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:42,667 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 35 treesize of output 27 [2021-06-14 04:11:42,668 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2021-06-14 04:11:42,672 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:42,673 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:42,673 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 [2021-06-14 04:11:42,674 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:42,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:42,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:42,678 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 [2021-06-14 04:11:42,679 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:42,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:42,683 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 [2021-06-14 04:11:42,684 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:42,776 INFO L628 ElimStorePlain]: treesize reduction 242, result has 27.1 percent of original size [2021-06-14 04:11:42,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:42,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:42,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-14 04:11:42,781 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:42,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:42,784 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 7 [2021-06-14 04:11:42,785 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:42,791 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:42,818 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:42,820 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:11:42,820 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:292, output treesize:38 [2021-06-14 04:11:42,911 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:42,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010963421] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:42,912 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:11:42,912 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 28 [2021-06-14 04:11:42,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74955488] [2021-06-14 04:11:42,912 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-14 04:11:42,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:11:42,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-14 04:11:42,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=698, Unknown=0, NotChecked=0, Total=756 [2021-06-14 04:11:42,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:42,919 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:11:42,919 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.5) internal successors, (42), 28 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) [2021-06-14 04:11:42,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:42,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:42,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:42,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:42,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:42,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:42,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:42,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:42,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:42,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:42,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:42,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:42,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:42,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:42,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:42,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:42,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:42,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:11:42,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:11:42,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:11:42,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:42,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:44,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:44,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:44,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:44,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:44,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:44,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:44,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:44,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:44,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:44,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:44,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:44,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:44,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:44,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:44,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:44,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:44,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:44,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:11:44,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:11:44,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:11:44,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:44,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:11:45,189 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable392,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:45,189 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:11:45,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:11:45,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1517069636, now seen corresponding path program 17 times [2021-06-14 04:11:45,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:11:45,189 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302836034] [2021-06-14 04:11:45,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:11:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:45,422 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:45,422 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:11:45,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302836034] [2021-06-14 04:11:45,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302836034] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:45,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917125074] [2021-06-14 04:11:45,423 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:45,461 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-14 04:11:45,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:11:45,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-14 04:11:45,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:11:45,699 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 [2021-06-14 04:11:45,700 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:45,702 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 8 treesize of output 6 [2021-06-14 04:11:45,703 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:45,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:45,707 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 [2021-06-14 04:11:45,708 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:45,710 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:45,711 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 [2021-06-14 04:11:45,711 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:45,713 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 04:11:45,714 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:45,716 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 [2021-06-14 04:11:45,717 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:45,752 INFO L628 ElimStorePlain]: treesize reduction 17, result has 72.1 percent of original size [2021-06-14 04:11:45,753 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-14 04:11:45,753 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:125, output treesize:44 [2021-06-14 04:11:45,890 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:45,891 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 [2021-06-14 04:11:45,891 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:45,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:45,893 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 [2021-06-14 04:11:45,894 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:45,896 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 [2021-06-14 04:11:45,897 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:45,898 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 04:11:45,899 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:45,913 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-14 04:11:45,913 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 04:11:45,913 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:11:45,913 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-14 04:11:45,945 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:45,945 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917125074] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:45,945 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:11:45,945 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 31 [2021-06-14 04:11:45,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703898217] [2021-06-14 04:11:45,945 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-14 04:11:45,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:11:45,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-14 04:11:45,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=859, Unknown=0, NotChecked=0, Total=930 [2021-06-14 04:11:45,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:45,946 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:11:45,946 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.5483870967741935) internal successors, (48), 31 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) [2021-06-14 04:11:45,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:45,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:45,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:45,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:45,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:45,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:45,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:45,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:45,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:45,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:45,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:45,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:45,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:45,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:45,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:45,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:45,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:45,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:11:45,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:11:45,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:11:45,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:45,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:11:45,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:47,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:11:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:11:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:11:47,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:47,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:11:47,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:11:47,377 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable406 [2021-06-14 04:11:47,377 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:11:47,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:11:47,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1282384382, now seen corresponding path program 18 times [2021-06-14 04:11:47,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:11:47,378 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446560716] [2021-06-14 04:11:47,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:11:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:47,678 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:47,678 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:11:47,679 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446560716] [2021-06-14 04:11:47,679 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446560716] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:47,679 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464600216] [2021-06-14 04:11:47,679 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:47,714 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-14 04:11:47,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:11:47,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-14 04:11:47,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:11:47,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:47,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:47,920 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 [2021-06-14 04:11:47,921 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:47,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:47,923 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 17 treesize of output 13 [2021-06-14 04:11:47,924 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:47,951 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:47,955 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2021-06-14 04:11:47,955 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:79, output treesize:65 [2021-06-14 04:11:48,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:48,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:48,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:48,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:48,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:48,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:48,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-14 04:11:48,362 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-14 04:11:48,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:48,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:48,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:48,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:48,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:48,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:48,372 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 37 treesize of output 25 [2021-06-14 04:11:48,373 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:48,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:48,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:48,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:48,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:48,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:48,392 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:48,393 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 [2021-06-14 04:11:48,395 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:48,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:48,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:48,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:48,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:48,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:48,402 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 39 treesize of output 27 [2021-06-14 04:11:48,404 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:48,520 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2021-06-14 04:11:48,520 INFO L628 ElimStorePlain]: treesize reduction 44, result has 73.0 percent of original size [2021-06-14 04:11:48,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:48,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:48,527 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 21 treesize of output 7 [2021-06-14 04:11:48,528 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:48,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:48,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:48,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-14 04:11:48,533 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:48,540 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:48,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:48,544 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 9 treesize of output 3 [2021-06-14 04:11:48,545 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:48,585 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:48,587 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 04:11:48,587 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 10 variables, input treesize:261, output treesize:55 [2021-06-14 04:11:48,692 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:48,692 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464600216] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:48,692 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:11:48,692 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 27 [2021-06-14 04:11:48,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901375817] [2021-06-14 04:11:48,692 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-14 04:11:48,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:11:48,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-14 04:11:48,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2021-06-14 04:11:48,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:48,693 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:11:48,693 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 27 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:11:48,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:48,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:48,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:48,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:48,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:48,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:48,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:48,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:48,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:48,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:48,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:48,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:48,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:48,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:48,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:48,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:48,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:48,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:11:48,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:11:48,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:11:48,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:48,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:11:48,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:11:48,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:49,833 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2021-06-14 04:11:50,060 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2021-06-14 04:11:50,276 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2021-06-14 04:11:50,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:50,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:50,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:50,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:50,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:50,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:50,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:50,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:50,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:50,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:50,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:50,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:50,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:50,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:50,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:50,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:50,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:50,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:11:50,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:11:50,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:11:50,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:50,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:11:50,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:11:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:50,625 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable413,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:50,625 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:11:50,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:11:50,626 INFO L82 PathProgramCache]: Analyzing trace with hash 761127272, now seen corresponding path program 19 times [2021-06-14 04:11:50,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:11:50,626 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933295161] [2021-06-14 04:11:50,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:11:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:50,839 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:50,840 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:11:50,840 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933295161] [2021-06-14 04:11:50,840 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933295161] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:50,840 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310145462] [2021-06-14 04:11:50,840 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:50,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-14 04:11:50,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:11:50,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:50,998 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 [2021-06-14 04:11:50,998 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:51,001 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 [2021-06-14 04:11:51,001 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:51,019 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:51,020 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:11:51,020 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:39 [2021-06-14 04:11:51,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:51,142 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 [2021-06-14 04:11:51,143 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:51,145 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 [2021-06-14 04:11:51,145 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:51,159 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 04:11:51,159 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 04:11:51,160 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 04:11:51,160 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 04:11:51,184 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:51,184 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310145462] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:51,184 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:11:51,184 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 25 [2021-06-14 04:11:51,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049717558] [2021-06-14 04:11:51,184 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-14 04:11:51,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:11:51,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-14 04:11:51,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=542, Unknown=0, NotChecked=0, Total=600 [2021-06-14 04:11:51,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:51,185 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:11:51,185 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.52) internal successors, (38), 25 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:11:51,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:51,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:51,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:51,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:51,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:51,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:51,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:51,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:51,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:51,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:51,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:51,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:51,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:51,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:51,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:51,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:51,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:51,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:11:51,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:11:51,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:11:51,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:51,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:11:51,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:11:51,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:51,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:11:51,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:11:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:11:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:11:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:11:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:11:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:11:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:11:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:11:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:11:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:11:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:11:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:11:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:11:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:11:51,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:11:51,857 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable431 [2021-06-14 04:11:51,857 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:11:51,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:11:51,857 INFO L82 PathProgramCache]: Analyzing trace with hash 2120769136, now seen corresponding path program 20 times [2021-06-14 04:11:51,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:11:51,857 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177909946] [2021-06-14 04:11:51,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:11:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:11:52,421 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:11:52,422 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:11:52,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177909946] [2021-06-14 04:11:52,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177909946] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:11:52,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341043698] [2021-06-14 04:11:52,422 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:11:52,458 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 04:11:52,458 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:11:52,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-14 04:11:52,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:11:53,248 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 150 [2021-06-14 04:11:53,565 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 154 [2021-06-14 04:11:53,905 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 111 [2021-06-14 04:11:54,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,021 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,033 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,035 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 53 [2021-06-14 04:11:54,037 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:54,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 53 [2021-06-14 04:11:54,066 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:54,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,076 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,076 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 61 [2021-06-14 04:11:54,083 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:54,212 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2021-06-14 04:11:54,213 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:54,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,223 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,227 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 61 [2021-06-14 04:11:54,240 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:54,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,256 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,264 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 69 [2021-06-14 04:11:54,269 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:54,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:54,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:54,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 61 [2021-06-14 04:11:54,285 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:54,423 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-06-14 04:11:54,423 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:54,471 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-1 vars, End of recursive call: 12 dim-0 vars, and 6 xjuncts. [2021-06-14 04:11:54,471 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 10 variables, input treesize:638, output treesize:482 [2021-06-14 04:11:55,192 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 175 [2021-06-14 04:11:56,641 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-14 04:11:57,149 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-06-14 04:11:57,733 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-06-14 04:11:58,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:58,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:58,014 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 [2021-06-14 04:11:58,016 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:58,025 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 04:11:58,025 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:58,531 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 222 [2021-06-14 04:11:58,531 INFO L628 ElimStorePlain]: treesize reduction 294, result has 66.7 percent of original size [2021-06-14 04:11:58,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:58,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:58,555 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 [2021-06-14 04:11:58,556 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:58,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:58,573 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 62 treesize of output 44 [2021-06-14 04:11:58,575 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:58,747 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-06-14 04:11:58,747 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:58,747 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 04:11:58,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 27 [2021-06-14 04:11:58,762 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:58,925 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-06-14 04:11:58,925 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:58,925 INFO L518 ElimStorePlain]: Eliminatee v_prenex_132 vanished before elimination [2021-06-14 04:11:58,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:58,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:58,938 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 [2021-06-14 04:11:58,940 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2021-06-14 04:11:59,099 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2021-06-14 04:11:59,099 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:59,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:59,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:59,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-14 04:11:59,109 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:59,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:59,116 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 7 [2021-06-14 04:11:59,117 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:59,127 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:59,274 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2021-06-14 04:11:59,275 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:59,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:59,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,287 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 [2021-06-14 04:11:59,289 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2021-06-14 04:11:59,432 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-06-14 04:11:59,433 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:59,440 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:59,440 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:59,440 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 7 [2021-06-14 04:11:59,441 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:59,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:59,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-14 04:11:59,448 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:59,458 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:59,601 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-06-14 04:11:59,602 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:59,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:59,615 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 62 treesize of output 44 [2021-06-14 04:11:59,617 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:59,749 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-06-14 04:11:59,749 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:59,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:59,757 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 12 treesize of output 5 [2021-06-14 04:11:59,757 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:59,887 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-06-14 04:11:59,888 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:11:59,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:59,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:59,903 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 62 treesize of output 44 [2021-06-14 04:11:59,905 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-14 04:11:59,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,912 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:11:59,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:11:59,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-06-14 04:11:59,926 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:00,036 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-06-14 04:12:00,037 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:12:00,051 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:00,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:00,052 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 20 treesize of output 9 [2021-06-14 04:12:00,053 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:00,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:00,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-14 04:12:00,060 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:00,159 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:12:00,165 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:00,165 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:00,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-14 04:12:00,167 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:00,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:00,172 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 20 treesize of output 9 [2021-06-14 04:12:00,173 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:00,269 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:12:00,273 INFO L550 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 14 dim-1 vars, End of recursive call: and 11 xjuncts. [2021-06-14 04:12:00,273 INFO L247 ElimStorePlain]: Needed 20 recursive calls to eliminate 28 variables, input treesize:989, output treesize:85 [2021-06-14 04:12:00,364 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:12:00,365 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341043698] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:12:00,365 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:12:00,365 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 33 [2021-06-14 04:12:00,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056326309] [2021-06-14 04:12:00,365 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-14 04:12:00,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:12:00,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-14 04:12:00,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=980, Unknown=0, NotChecked=0, Total=1056 [2021-06-14 04:12:00,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:12:00,365 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:12:00,366 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.393939393939394) internal successors, (46), 33 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:12:00,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:12:00,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:00,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:00,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:00,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:00,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:00,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:00,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:00,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:00,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:00,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:00,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:00,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:00,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:00,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:00,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:00,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:00,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:12:00,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:00,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:00,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:00,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:00,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:00,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:00,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:00,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:12:01,570 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2021-06-14 04:12:01,922 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 108 [2021-06-14 04:12:03,927 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2021-06-14 04:12:05,530 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 188 DAG size of output: 184 [2021-06-14 04:12:06,621 WARN L205 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2021-06-14 04:12:07,871 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2021-06-14 04:12:07,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:12:07,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:07,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:07,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:07,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:07,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:07,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:07,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:07,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:07,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:07,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:07,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:07,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:07,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:07,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:07,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:07,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:07,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:12:07,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:07,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:07,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:07,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:07,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:07,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:07,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:07,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:08,179 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable434 [2021-06-14 04:12:08,180 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:12:08,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:12:08,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1319993960, now seen corresponding path program 21 times [2021-06-14 04:12:08,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:12:08,180 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509755500] [2021-06-14 04:12:08,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:12:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:12:08,580 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:12:08,580 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:12:08,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509755500] [2021-06-14 04:12:08,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509755500] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:12:08,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314558964] [2021-06-14 04:12:08,580 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:12:08,622 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-14 04:12:08,622 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:12:08,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-14 04:12:08,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:12:09,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:09,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:09,325 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 [2021-06-14 04:12:09,327 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:09,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:09,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:09,342 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 [2021-06-14 04:12:09,344 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:09,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:09,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:09,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-14 04:12:09,361 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:09,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,366 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:09,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:09,369 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 [2021-06-14 04:12:09,371 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-14 04:12:09,432 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:12:09,438 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-14 04:12:09,439 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:319, output treesize:175 [2021-06-14 04:12:10,011 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 89 [2021-06-14 04:12:10,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:10,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:10,881 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 [2021-06-14 04:12:10,882 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:10,889 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:10,889 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:10,890 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 19 treesize of output 15 [2021-06-14 04:12:10,891 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:10,898 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:10,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:10,899 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 18 treesize of output 14 [2021-06-14 04:12:10,900 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:10,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:10,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:10,909 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 [2021-06-14 04:12:10,910 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:10,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:10,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:10,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-14 04:12:10,926 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:10,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:10,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:10,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-14 04:12:10,935 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:10,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:10,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:10,943 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 26 treesize of output 20 [2021-06-14 04:12:10,944 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:10,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:10,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:10,952 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 18 treesize of output 14 [2021-06-14 04:12:10,953 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:10,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:10,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:10,962 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 [2021-06-14 04:12:10,962 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:10,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:10,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:10,971 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 [2021-06-14 04:12:10,972 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:10,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:10,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:10,980 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 28 treesize of output 22 [2021-06-14 04:12:10,981 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:10,988 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:10,989 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 [2021-06-14 04:12:10,990 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:11,322 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2021-06-14 04:12:11,323 INFO L628 ElimStorePlain]: treesize reduction 131, result has 66.4 percent of original size [2021-06-14 04:12:11,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:11,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:11,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-14 04:12:11,331 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:11,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:11,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:11,337 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 9 treesize of output 3 [2021-06-14 04:12:11,338 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:11,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:11,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-14 04:12:11,344 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:11,471 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-06-14 04:12:11,471 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:12:11,475 INFO L550 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-14 04:12:11,475 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 14 variables, input treesize:533, output treesize:103 [2021-06-14 04:12:11,642 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:12:11,642 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314558964] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:12:11,642 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:12:11,642 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 32 [2021-06-14 04:12:11,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584119755] [2021-06-14 04:12:11,642 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-14 04:12:11,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:12:11,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-14 04:12:11,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=927, Unknown=0, NotChecked=0, Total=992 [2021-06-14 04:12:11,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:12:11,643 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:12:11,643 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 1.40625) internal successors, (45), 32 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) [2021-06-14 04:12:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:12:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:11,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:11,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:11,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:11,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:12:11,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:11,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:11,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:11,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:11,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:11,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:11,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:11,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:11,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:12:13,388 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2021-06-14 04:12:13,656 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2021-06-14 04:12:14,074 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2021-06-14 04:12:14,411 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2021-06-14 04:12:15,024 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 143 [2021-06-14 04:12:15,295 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2021-06-14 04:12:15,983 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 149 [2021-06-14 04:12:17,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:12:17,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:17,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:17,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:17,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:17,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:17,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:17,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:17,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:17,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:17,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:17,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:17,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:17,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:17,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:17,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:17,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:17,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:12:17,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:17,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:17,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:17,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:17,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:17,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:17,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:17,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:17,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 04:12:17,385 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable484 [2021-06-14 04:12:17,385 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:12:17,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:12:17,385 INFO L82 PathProgramCache]: Analyzing trace with hash -591107238, now seen corresponding path program 22 times [2021-06-14 04:12:17,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:12:17,385 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925240819] [2021-06-14 04:12:17,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:12:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:12:18,102 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:12:18,103 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:12:18,103 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925240819] [2021-06-14 04:12:18,103 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925240819] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:12:18,103 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628902912] [2021-06-14 04:12:18,103 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:12:18,139 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 04:12:18,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:12:18,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-14 04:12:18,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:12:19,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,203 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:19,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:19,210 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 49 treesize of output 33 [2021-06-14 04:12:19,212 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:19,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,217 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:19,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,222 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:19,225 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 [2021-06-14 04:12:19,227 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:19,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:19,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:19,244 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 59 treesize of output 41 [2021-06-14 04:12:19,246 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:19,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:19,265 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:19,266 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 49 treesize of output 33 [2021-06-14 04:12:19,268 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:19,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,279 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:19,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:19,288 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 [2021-06-14 04:12:19,290 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:19,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:19,312 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:19,313 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 [2021-06-14 04:12:19,314 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:19,455 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2021-06-14 04:12:19,455 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.7 percent of original size [2021-06-14 04:12:19,459 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-14 04:12:19,460 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:415, output treesize:152 [2021-06-14 04:12:20,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:20,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:20,044 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 [2021-06-14 04:12:20,045 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-14 04:12:20,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:20,065 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 [2021-06-14 04:12:20,066 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:20,126 INFO L628 ElimStorePlain]: treesize reduction 65, result has 51.9 percent of original size [2021-06-14 04:12:20,129 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 [2021-06-14 04:12:20,130 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:20,151 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:12:20,152 INFO L518 ElimStorePlain]: Eliminatee v_prenex_163 vanished before elimination [2021-06-14 04:12:20,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:20,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:20,155 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 7 [2021-06-14 04:12:20,156 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:20,158 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:20,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-14 04:12:20,159 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:20,167 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:12:20,185 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:12:20,187 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 04:12:20,187 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:131, output treesize:18 [2021-06-14 04:12:20,239 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:12:20,239 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628902912] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:12:20,239 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:12:20,239 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 35 [2021-06-14 04:12:20,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332787778] [2021-06-14 04:12:20,239 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-14 04:12:20,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:12:20,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-14 04:12:20,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1115, Unknown=0, NotChecked=0, Total=1190 [2021-06-14 04:12:20,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:12:20,240 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:12:20,240 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 35 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) [2021-06-14 04:12:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:12:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:20,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:20,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:20,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:12:20,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:20,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:20,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:20,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:20,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:20,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:20,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:20,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:20,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 04:12:20,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:12:21,460 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2021-06-14 04:12:21,722 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2021-06-14 04:12:22,065 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 110 [2021-06-14 04:12:22,585 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 106 [2021-06-14 04:12:22,858 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2021-06-14 04:12:23,235 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2021-06-14 04:12:23,614 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2021-06-14 04:12:24,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:12:24,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:24,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:24,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:24,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:24,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:24,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:24,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:24,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:24,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:24,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:24,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:24,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:24,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:24,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:24,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:24,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:24,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:12:24,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:24,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:24,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:24,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:24,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:24,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:24,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:24,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:24,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 04:12:24,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:24,761 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable546,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:12:24,761 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:12:24,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:12:24,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1143795010, now seen corresponding path program 23 times [2021-06-14 04:12:24,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:12:24,761 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791724710] [2021-06-14 04:12:24,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:12:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:12:25,038 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:12:25,038 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:12:25,038 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791724710] [2021-06-14 04:12:25,038 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791724710] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:12:25,038 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532336941] [2021-06-14 04:12:25,038 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:12:25,079 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-14 04:12:25,079 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:12:25,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-14 04:12:25,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:12:25,447 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 [2021-06-14 04:12:25,448 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:25,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:25,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:25,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-14 04:12:25,453 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:25,456 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 [2021-06-14 04:12:25,457 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:25,460 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:25,460 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:25,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-14 04:12:25,461 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:25,464 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 [2021-06-14 04:12:25,465 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:25,467 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 [2021-06-14 04:12:25,468 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:25,536 INFO L628 ElimStorePlain]: treesize reduction 34, result has 66.7 percent of original size [2021-06-14 04:12:25,538 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2021-06-14 04:12:25,538 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:155, output treesize:62 [2021-06-14 04:12:25,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:25,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:25,811 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 [2021-06-14 04:12:25,812 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:25,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:25,815 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:25,815 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 [2021-06-14 04:12:25,816 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:25,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-14 04:12:25,819 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:25,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-14 04:12:25,822 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:25,852 INFO L628 ElimStorePlain]: treesize reduction 36, result has 41.0 percent of original size [2021-06-14 04:12:25,853 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 04:12:25,854 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:12:25,854 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:99, output treesize:13 [2021-06-14 04:12:25,888 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:12:25,889 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532336941] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:12:25,889 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:12:25,889 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 31 [2021-06-14 04:12:25,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416795039] [2021-06-14 04:12:25,889 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-14 04:12:25,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:12:25,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-14 04:12:25,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-06-14 04:12:25,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:12:25,890 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:12:25,890 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 31 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) [2021-06-14 04:12:25,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:12:25,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:25,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:25,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:25,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:25,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:25,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:25,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:25,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:25,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:25,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:25,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:25,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:25,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:25,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:25,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:25,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:25,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:12:25,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:25,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 04:12:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:25,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:12:27,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:12:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:12:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:27,509 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable569 [2021-06-14 04:12:27,509 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:12:27,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:12:27,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1703569862, now seen corresponding path program 24 times [2021-06-14 04:12:27,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:12:27,510 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001022807] [2021-06-14 04:12:27,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:12:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:12:27,764 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:12:27,764 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:12:27,764 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001022807] [2021-06-14 04:12:27,764 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001022807] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:12:27,764 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582361529] [2021-06-14 04:12:27,764 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:12:27,802 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-14 04:12:27,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:12:27,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 33 conjunts are in the unsatisfiable core [2021-06-14 04:12:27,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:12:27,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:27,959 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 [2021-06-14 04:12:27,959 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:27,961 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 [2021-06-14 04:12:27,962 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:27,977 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:12:27,978 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:12:27,978 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:39 [2021-06-14 04:12:28,112 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:28,113 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 [2021-06-14 04:12:28,113 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:28,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:28,115 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 [2021-06-14 04:12:28,116 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:28,118 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 [2021-06-14 04:12:28,119 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:28,120 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 04:12:28,121 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:28,136 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-14 04:12:28,136 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 04:12:28,136 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:12:28,136 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-14 04:12:28,165 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:12:28,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582361529] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:12:28,165 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:12:28,165 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 26 [2021-06-14 04:12:28,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138946533] [2021-06-14 04:12:28,166 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-14 04:12:28,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:12:28,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-14 04:12:28,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2021-06-14 04:12:28,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:12:28,166 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:12:28,166 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:12:28,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:12:28,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:28,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:28,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:28,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:28,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:28,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:28,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:28,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:28,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:28,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:28,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:28,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:28,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:28,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:28,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:28,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:28,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:12:28,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:28,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:28,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:28,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:28,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:28,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:28,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:28,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:28,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:28,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:28,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:28,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:12:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:12:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:12:28,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:28,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:28,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:28,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:28,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:28,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:28,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:28,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:28,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:28,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:28,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:28,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:29,051 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable578,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:12:29,051 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:12:29,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:12:29,051 INFO L82 PathProgramCache]: Analyzing trace with hash -639382844, now seen corresponding path program 25 times [2021-06-14 04:12:29,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:12:29,051 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676617226] [2021-06-14 04:12:29,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:12:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:12:29,405 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:12:29,405 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:12:29,405 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676617226] [2021-06-14 04:12:29,405 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676617226] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:12:29,405 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183112198] [2021-06-14 04:12:29,405 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:12:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:12:29,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-14 04:12:29,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:12:29,628 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 17 treesize of output 13 [2021-06-14 04:12:29,629 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:29,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-14 04:12:29,632 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:29,645 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:12:29,646 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:12:29,646 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:55, output treesize:41 [2021-06-14 04:12:29,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:29,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:29,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:29,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:29,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:29,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:29,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:29,972 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 [2021-06-14 04:12:29,974 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:29,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:29,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:29,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:29,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:29,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:29,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:29,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:29,985 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 [2021-06-14 04:12:29,987 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-14 04:12:29,990 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 04:12:29,990 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:29,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:29,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:29,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:29,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:29,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:29,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:29,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-06-14 04:12:29,997 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:30,039 INFO L628 ElimStorePlain]: treesize reduction 32, result has 65.2 percent of original size [2021-06-14 04:12:30,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:30,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-14 04:12:30,042 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:30,044 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 7 [2021-06-14 04:12:30,045 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:30,052 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:12:30,070 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:12:30,071 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:12:30,071 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:257, output treesize:38 [2021-06-14 04:12:30,161 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:12:30,161 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183112198] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:12:30,162 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:12:30,162 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 31 [2021-06-14 04:12:30,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071321398] [2021-06-14 04:12:30,162 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-14 04:12:30,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:12:30,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-14 04:12:30,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=857, Unknown=0, NotChecked=0, Total=930 [2021-06-14 04:12:30,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:12:30,162 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:12:30,162 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 31 states have internal predecessors, (43), 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) [2021-06-14 04:12:30,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:30,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:12:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:12:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:12:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:31,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:31,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:31,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:31,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:31,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:31,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:31,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:31,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:31,465 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable584 [2021-06-14 04:12:31,465 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:12:31,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:12:31,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1654628500, now seen corresponding path program 26 times [2021-06-14 04:12:31,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:12:31,465 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10495834] [2021-06-14 04:12:31,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:12:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:12:31,747 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:12:31,747 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:12:31,747 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10495834] [2021-06-14 04:12:31,747 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10495834] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:12:31,747 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58075734] [2021-06-14 04:12:31,747 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:12:31,803 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 04:12:31,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:12:31,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-14 04:12:31,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:12:31,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:31,984 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 [2021-06-14 04:12:31,985 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:31,987 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 [2021-06-14 04:12:31,987 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:32,003 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:12:32,003 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:12:32,004 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:39 [2021-06-14 04:12:32,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:32,182 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 [2021-06-14 04:12:32,182 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:32,184 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 [2021-06-14 04:12:32,185 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:32,187 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:32,187 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 [2021-06-14 04:12:32,188 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:32,190 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 [2021-06-14 04:12:32,191 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:32,207 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-14 04:12:32,207 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 04:12:32,208 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:12:32,208 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-14 04:12:32,239 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:12:32,239 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [58075734] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:12:32,239 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:12:32,239 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 30 [2021-06-14 04:12:32,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447481214] [2021-06-14 04:12:32,240 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-14 04:12:32,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:12:32,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-14 04:12:32,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=800, Unknown=0, NotChecked=0, Total=870 [2021-06-14 04:12:32,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:12:32,240 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:12:32,240 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:12:32,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:12:32,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:32,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:32,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:32,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:32,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:32,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:32,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:32,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:32,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:32,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:32,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:32,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:32,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:32,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:32,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:32,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:32,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:12:32,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:32,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:32,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:32,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:32,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:32,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:32,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:32,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:32,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:32,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:32,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:32,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:32,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:32,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:12:32,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:12:32,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:32,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:32,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:32,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:32,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:32,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:32,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:32,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:32,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:32,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:32,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:32,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:32,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:32,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:32,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:32,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:32,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:12:32,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:32,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:32,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:32,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:32,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:32,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:32,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:32,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:32,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:32,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:32,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:32,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:32,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:32,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:33,152 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable600 [2021-06-14 04:12:33,153 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:12:33,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:12:33,153 INFO L82 PathProgramCache]: Analyzing trace with hash -256472698, now seen corresponding path program 27 times [2021-06-14 04:12:33,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:12:33,153 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940435644] [2021-06-14 04:12:33,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:12:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:12:33,444 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:12:33,444 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:12:33,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940435644] [2021-06-14 04:12:33,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940435644] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:12:33,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002980068] [2021-06-14 04:12:33,445 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:12:33,490 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-14 04:12:33,491 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:12:33,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-14 04:12:33,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:12:33,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:33,681 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 [2021-06-14 04:12:33,682 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:33,684 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 [2021-06-14 04:12:33,685 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:33,702 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:12:33,702 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:12:33,703 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:39 [2021-06-14 04:12:33,867 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:33,867 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 [2021-06-14 04:12:33,868 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:33,870 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 [2021-06-14 04:12:33,870 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:33,886 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 04:12:33,886 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 04:12:33,887 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 04:12:33,887 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 04:12:33,918 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:12:33,918 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002980068] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:12:33,918 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:12:33,918 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 30 [2021-06-14 04:12:33,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491184125] [2021-06-14 04:12:33,919 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-14 04:12:33,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:12:33,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-14 04:12:33,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=800, Unknown=0, NotChecked=0, Total=870 [2021-06-14 04:12:33,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:12:33,919 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:12:33,919 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 30 states have internal predecessors, (43), 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) [2021-06-14 04:12:33,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:12:33,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:33,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:33,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:33,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:33,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:12:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:12:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:12:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:34,931 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable607,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:12:34,932 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:12:34,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:12:34,932 INFO L82 PathProgramCache]: Analyzing trace with hash 639941138, now seen corresponding path program 28 times [2021-06-14 04:12:34,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:12:34,932 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312597036] [2021-06-14 04:12:34,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:12:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:12:35,729 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:12:35,730 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:12:35,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312597036] [2021-06-14 04:12:35,730 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312597036] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:12:35,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304803978] [2021-06-14 04:12:35,730 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:12:35,771 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 04:12:35,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:12:35,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 71 conjunts are in the unsatisfiable core [2021-06-14 04:12:35,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:12:36,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:36,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:36,895 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 [2021-06-14 04:12:36,897 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:36,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:36,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,908 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 [2021-06-14 04:12:36,910 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-14 04:12:36,980 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:12:36,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:36,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:37,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:37,003 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 59 treesize of output 39 [2021-06-14 04:12:37,005 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:37,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:37,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:37,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:37,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:37,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:37,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:37,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:37,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:37,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:37,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:37,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:37,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:37,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:37,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:37,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:37,030 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 61 treesize of output 41 [2021-06-14 04:12:37,032 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:37,080 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:12:37,085 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-14 04:12:37,085 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:331, output treesize:143 [2021-06-14 04:12:37,671 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-06-14 04:12:37,977 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-06-14 04:12:38,371 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-06-14 04:12:38,835 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-06-14 04:12:38,942 INFO L446 ElimStorePlain]: Different costs {15=[array_4], 45=[array_0]} [2021-06-14 04:12:38,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,957 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:38,961 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 [2021-06-14 04:12:38,963 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-14 04:12:38,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:38,983 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 72 treesize of output 50 [2021-06-14 04:12:38,985 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-14 04:12:38,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:38,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,008 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 [2021-06-14 04:12:39,011 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:39,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,030 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 [2021-06-14 04:12:39,032 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:39,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,053 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 61 treesize of output 41 [2021-06-14 04:12:39,055 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:39,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,076 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 [2021-06-14 04:12:39,078 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:39,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,094 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,098 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 79 treesize of output 55 [2021-06-14 04:12:39,100 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 4 xjuncts. [2021-06-14 04:12:39,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,120 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 81 treesize of output 57 [2021-06-14 04:12:39,123 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-06-14 04:12:39,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,140 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,144 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 62 treesize of output 42 [2021-06-14 04:12:39,146 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:39,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:39,159 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 59 treesize of output 39 [2021-06-14 04:12:39,160 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:39,458 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 86 [2021-06-14 04:12:39,458 INFO L628 ElimStorePlain]: treesize reduction 148, result has 71.4 percent of original size [2021-06-14 04:12:39,463 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,464 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-14 04:12:39,465 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:39,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,470 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,470 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 7 [2021-06-14 04:12:39,471 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:39,479 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:12:39,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,485 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 12 treesize of output 5 [2021-06-14 04:12:39,486 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:39,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,491 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 23 treesize of output 11 [2021-06-14 04:12:39,492 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:39,501 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:12:39,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-14 04:12:39,521 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:39,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,526 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 44 treesize of output 19 [2021-06-14 04:12:39,527 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:39,540 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:12:39,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,546 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 7 [2021-06-14 04:12:39,547 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:39,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,552 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 7 [2021-06-14 04:12:39,553 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:39,561 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:12:39,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,567 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,567 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 20 treesize of output 9 [2021-06-14 04:12:39,568 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:39,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-14 04:12:39,574 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:39,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:39,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-14 04:12:39,579 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:39,693 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-06-14 04:12:39,694 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:12:39,697 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-14 04:12:39,697 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 7 variables, input treesize:859, output treesize:185 [2021-06-14 04:12:39,921 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-06-14 04:12:40,035 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:12:40,035 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304803978] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:12:40,035 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:12:40,035 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21] total 40 [2021-06-14 04:12:40,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369047064] [2021-06-14 04:12:40,036 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-14 04:12:40,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:12:40,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-14 04:12:40,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=1478, Unknown=0, NotChecked=0, Total=1560 [2021-06-14 04:12:40,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:12:40,036 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:12:40,036 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.35) internal successors, (54), 40 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) [2021-06-14 04:12:40,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:40,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:40,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:12:42,637 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2021-06-14 04:12:43,602 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2021-06-14 04:12:43,967 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2021-06-14 04:12:44,547 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2021-06-14 04:12:45,066 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2021-06-14 04:12:45,704 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 148 [2021-06-14 04:12:46,469 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 152 [2021-06-14 04:12:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:12:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:12:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:12:47,045 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable610 [2021-06-14 04:12:47,046 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:12:47,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:12:47,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1636001018, now seen corresponding path program 29 times [2021-06-14 04:12:47,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:12:47,046 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703824642] [2021-06-14 04:12:47,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:12:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:12:47,626 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:12:47,626 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:12:47,626 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703824642] [2021-06-14 04:12:47,626 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703824642] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:12:47,626 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258223834] [2021-06-14 04:12:47,626 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:12:47,680 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-14 04:12:47,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:12:47,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-14 04:12:47,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:12:48,232 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2021-06-14 04:12:48,496 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2021-06-14 04:12:48,803 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2021-06-14 04:12:49,186 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2021-06-14 04:12:49,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:49,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:49,340 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 59 treesize of output 39 [2021-06-14 04:12:49,342 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:49,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:49,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,356 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 61 treesize of output 41 [2021-06-14 04:12:49,358 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:49,487 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-06-14 04:12:49,487 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:12:49,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:49,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:49,515 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 [2021-06-14 04:12:49,518 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:49,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:49,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,533 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 [2021-06-14 04:12:49,535 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-14 04:12:49,643 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-06-14 04:12:49,643 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:12:49,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:49,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:49,665 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 [2021-06-14 04:12:49,668 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:49,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:49,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:49,680 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 59 treesize of output 39 [2021-06-14 04:12:49,682 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:49,758 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:12:49,781 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 3 dim-1 vars, End of recursive call: 12 dim-0 vars, and 6 xjuncts. [2021-06-14 04:12:49,781 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 9 variables, input treesize:475, output treesize:185 [2021-06-14 04:12:51,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:51,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:51,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-06-14 04:12:51,529 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:51,536 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:51,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:51,537 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 [2021-06-14 04:12:51,538 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:51,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:51,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:51,546 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 [2021-06-14 04:12:51,547 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:51,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:51,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:51,555 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 27 treesize of output 21 [2021-06-14 04:12:51,556 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:51,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:51,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:51,565 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 [2021-06-14 04:12:51,566 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:51,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:51,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:51,574 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 26 treesize of output 20 [2021-06-14 04:12:51,575 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:51,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:51,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:51,582 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 26 treesize of output 20 [2021-06-14 04:12:51,583 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:51,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:51,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:51,590 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 28 treesize of output 22 [2021-06-14 04:12:51,591 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:51,596 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:51,597 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:51,597 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 25 treesize of output 19 [2021-06-14 04:12:51,598 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:51,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:51,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:51,605 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 [2021-06-14 04:12:51,606 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:51,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:51,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:51,612 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 18 treesize of output 14 [2021-06-14 04:12:51,613 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:51,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:51,619 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 [2021-06-14 04:12:51,620 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:51,821 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 64 [2021-06-14 04:12:51,822 INFO L628 ElimStorePlain]: treesize reduction 137, result has 53.7 percent of original size [2021-06-14 04:12:51,827 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:51,827 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:51,827 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 20 treesize of output 9 [2021-06-14 04:12:51,828 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:51,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:51,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-14 04:12:51,834 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:51,917 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:12:51,921 INFO L550 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-14 04:12:51,921 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 14 variables, input treesize:447, output treesize:58 [2021-06-14 04:12:52,084 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:12:52,084 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258223834] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:12:52,084 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:12:52,084 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 37 [2021-06-14 04:12:52,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159256802] [2021-06-14 04:12:52,084 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-14 04:12:52,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:12:52,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-14 04:12:52,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=1256, Unknown=0, NotChecked=0, Total=1332 [2021-06-14 04:12:52,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:12:52,085 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:12:52,085 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 37 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:12:52,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:12:52,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:52,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:52,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:52,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:52,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:52,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:52,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:52,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:52,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:52,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:52,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:52,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:52,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:52,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:52,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:52,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:52,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:12:52,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:52,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:52,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:52,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:52,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:52,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:52,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:52,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:52,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:52,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:52,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:52,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:52,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:52,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:52,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:52,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:12:52,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:12:53,859 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2021-06-14 04:12:54,319 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 76 [2021-06-14 04:12:54,640 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2021-06-14 04:12:55,104 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2021-06-14 04:12:55,601 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 90 [2021-06-14 04:12:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:12:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:12:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:12:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:12:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:12:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:12:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:12:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:12:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:57,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:57,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:12:57,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:57,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:57,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:57,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:12:57,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:57,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:12:57,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:57,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:57,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:12:57,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:12:57,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:57,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:12:57,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:12:57,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:12:57,784 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable653 [2021-06-14 04:12:57,784 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:12:57,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:12:57,785 INFO L82 PathProgramCache]: Analyzing trace with hash -750596012, now seen corresponding path program 30 times [2021-06-14 04:12:57,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:12:57,785 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919332273] [2021-06-14 04:12:57,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:12:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:12:58,256 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:12:58,257 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:12:58,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919332273] [2021-06-14 04:12:58,257 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919332273] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:12:58,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122308283] [2021-06-14 04:12:58,257 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:12:58,306 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-14 04:12:58,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:12:58,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 58 conjunts are in the unsatisfiable core [2021-06-14 04:12:58,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:12:59,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,623 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:59,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:59,634 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 59 treesize of output 39 [2021-06-14 04:12:59,636 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:59,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:59,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:59,654 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 60 treesize of output 40 [2021-06-14 04:12:59,656 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:59,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:59,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:59,677 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 60 treesize of output 40 [2021-06-14 04:12:59,678 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:59,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,697 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:59,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:59,708 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 [2021-06-14 04:12:59,711 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:59,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:59,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:59,730 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 59 treesize of output 39 [2021-06-14 04:12:59,732 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:59,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:12:59,745 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:12:59,745 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 70 treesize of output 48 [2021-06-14 04:12:59,747 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:12:59,907 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2021-06-14 04:12:59,907 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.8 percent of original size [2021-06-14 04:12:59,911 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-14 04:12:59,912 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:493, output treesize:161 [2021-06-14 04:13:00,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:00,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:00,553 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 [2021-06-14 04:13:00,554 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:00,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:00,556 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 [2021-06-14 04:13:00,558 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-14 04:13:00,590 INFO L628 ElimStorePlain]: treesize reduction 47, result has 44.0 percent of original size [2021-06-14 04:13:00,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:00,593 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 7 [2021-06-14 04:13:00,593 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:00,603 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:13:00,604 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:13:00,604 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:80, output treesize:11 [2021-06-14 04:13:00,652 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:13:00,652 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122308283] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:13:00,652 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:13:00,652 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 40 [2021-06-14 04:13:00,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660318088] [2021-06-14 04:13:00,653 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-14 04:13:00,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:13:00,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-14 04:13:00,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1463, Unknown=0, NotChecked=0, Total=1560 [2021-06-14 04:13:00,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:13:00,653 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:13:00,653 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.35) internal successors, (54), 40 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) [2021-06-14 04:13:00,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:13:00,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:00,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:00,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:00,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:00,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:00,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:13:00,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:13:02,061 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2021-06-14 04:13:02,482 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 115 [2021-06-14 04:13:03,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:13:03,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:03,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:03,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:03,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:03,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:03,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:03,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:03,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:03,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:13:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:13:03,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:04,004 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable728,37 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:13:04,004 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:13:04,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:13:04,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1792979708, now seen corresponding path program 31 times [2021-06-14 04:13:04,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:13:04,005 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939043412] [2021-06-14 04:13:04,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:13:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:13:04,345 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:13:04,345 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:13:04,345 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939043412] [2021-06-14 04:13:04,345 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939043412] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:13:04,345 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293402249] [2021-06-14 04:13:04,345 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:13:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:13:04,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-14 04:13:04,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:13:04,861 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 [2021-06-14 04:13:04,862 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:04,865 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 [2021-06-14 04:13:04,866 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:04,868 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 [2021-06-14 04:13:04,870 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:04,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:04,873 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:04,873 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 [2021-06-14 04:13:04,874 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:04,877 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 [2021-06-14 04:13:04,878 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:04,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:04,881 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 [2021-06-14 04:13:04,881 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:04,950 INFO L628 ElimStorePlain]: treesize reduction 34, result has 66.7 percent of original size [2021-06-14 04:13:04,951 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2021-06-14 04:13:04,951 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:155, output treesize:62 [2021-06-14 04:13:05,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-14 04:13:05,311 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:05,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:05,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:05,320 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 [2021-06-14 04:13:05,321 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:05,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:05,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:05,324 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 [2021-06-14 04:13:05,325 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:05,328 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 7 treesize of output 5 [2021-06-14 04:13:05,328 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:05,359 INFO L628 ElimStorePlain]: treesize reduction 36, result has 41.0 percent of original size [2021-06-14 04:13:05,359 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 04:13:05,360 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:13:05,360 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:99, output treesize:13 [2021-06-14 04:13:05,399 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:13:05,399 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293402249] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:13:05,399 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:13:05,399 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 36 [2021-06-14 04:13:05,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223869993] [2021-06-14 04:13:05,399 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-14 04:13:05,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:13:05,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-14 04:13:05,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1174, Unknown=0, NotChecked=0, Total=1260 [2021-06-14 04:13:05,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:13:05,400 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:13:05,400 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 36 states have internal predecessors, (49), 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) [2021-06-14 04:13:05,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:13:05,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:05,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:05,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:05,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:05,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:05,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:05,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:05,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:05,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:05,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:05,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:05,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:05,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:05,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:05,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:05,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:05,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:13:05,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:05,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:05,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:05,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:05,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:05,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:05,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:05,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:05,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:05,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:05,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:05,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:05,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:05,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:05,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:05,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:05,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:13:05,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:05,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:13:07,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:07,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:07,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:07,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:13:07,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:07,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:07,659 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable752 [2021-06-14 04:13:07,659 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:13:07,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:13:07,660 INFO L82 PathProgramCache]: Analyzing trace with hash 101186878, now seen corresponding path program 32 times [2021-06-14 04:13:07,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:13:07,660 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28421440] [2021-06-14 04:13:07,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:13:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:13:08,040 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:13:08,041 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:13:08,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28421440] [2021-06-14 04:13:08,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28421440] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:13:08,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827571638] [2021-06-14 04:13:08,041 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:13:08,080 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 04:13:08,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:13:08,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 58 conjunts are in the unsatisfiable core [2021-06-14 04:13:08,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:13:08,432 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:08,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:08,433 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 [2021-06-14 04:13:08,434 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:08,437 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:08,437 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 [2021-06-14 04:13:08,438 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:08,467 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:13:08,471 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2021-06-14 04:13:08,471 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:79, output treesize:65 [2021-06-14 04:13:09,335 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-06-14 04:13:09,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:09,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:09,417 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 61 treesize of output 41 [2021-06-14 04:13:09,419 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:09,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,427 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:09,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:09,437 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 69 treesize of output 47 [2021-06-14 04:13:09,439 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:09,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,448 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:09,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:09,458 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 [2021-06-14 04:13:09,460 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-14 04:13:09,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:09,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:09,471 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 59 treesize of output 39 [2021-06-14 04:13:09,473 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:09,583 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2021-06-14 04:13:09,584 INFO L628 ElimStorePlain]: treesize reduction 44, result has 73.0 percent of original size [2021-06-14 04:13:09,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:09,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:09,588 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 9 treesize of output 3 [2021-06-14 04:13:09,589 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:09,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:09,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:09,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-14 04:13:09,593 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:09,596 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:09,596 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 7 [2021-06-14 04:13:09,597 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:09,613 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:13:09,660 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:13:09,661 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 04:13:09,661 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:349, output treesize:55 [2021-06-14 04:13:09,798 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:13:09,798 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827571638] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:13:09,798 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:13:09,798 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 36 [2021-06-14 04:13:09,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557805849] [2021-06-14 04:13:09,799 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-14 04:13:09,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:13:09,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-14 04:13:09,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=1186, Unknown=0, NotChecked=0, Total=1260 [2021-06-14 04:13:09,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:13:09,799 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:13:09,799 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 36 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:09,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:09,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:09,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:09,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:09,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:13:09,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:09,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:09,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:13:12,295 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2021-06-14 04:13:12,562 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-06-14 04:13:12,870 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-06-14 04:13:13,227 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2021-06-14 04:13:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:13:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:13:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:13,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:13,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:13,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:13,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:13,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:13,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:13,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:13,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:13,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:13,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:13,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:13,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:13,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:13:13,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:13,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:13,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-14 04:13:13,689 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable762 [2021-06-14 04:13:13,689 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:13:13,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:13:13,689 INFO L82 PathProgramCache]: Analyzing trace with hash -272108888, now seen corresponding path program 33 times [2021-06-14 04:13:13,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:13:13,689 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213937994] [2021-06-14 04:13:13,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:13:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:13:14,064 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:13:14,064 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:13:14,065 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213937994] [2021-06-14 04:13:14,065 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213937994] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:13:14,065 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144621822] [2021-06-14 04:13:14,065 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:13:14,109 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-14 04:13:14,109 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:13:14,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-14 04:13:14,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:13:14,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:14,320 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 [2021-06-14 04:13:14,321 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:14,323 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 [2021-06-14 04:13:14,324 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:14,339 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:13:14,340 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:13:14,340 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:39 [2021-06-14 04:13:14,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:14,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-14 04:13:14,542 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:14,544 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 [2021-06-14 04:13:14,544 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:14,559 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 04:13:14,560 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 04:13:14,560 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 04:13:14,560 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 04:13:14,593 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:13:14,594 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144621822] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:13:14,594 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:13:14,594 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 35 [2021-06-14 04:13:14,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692068231] [2021-06-14 04:13:14,594 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-14 04:13:14,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:13:14,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-14 04:13:14,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=1108, Unknown=0, NotChecked=0, Total=1190 [2021-06-14 04:13:14,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:13:14,595 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:13:14,595 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 35 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) [2021-06-14 04:13:14,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:13:14,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:14,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:14,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:14,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:14,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:14,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:14,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:14,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:14,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:14,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:14,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:14,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:14,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:14,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:14,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:14,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:14,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:13:14,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:14,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:14,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:14,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:14,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:14,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:14,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:14,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:14,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:14,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:14,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:14,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:14,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:14,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:14,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:14,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:14,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:13:14,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:14,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:14,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-14 04:13:14,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:13:15,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:13:15,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:15,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:15,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:15,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:15,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:15,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:15,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:15,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:15,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:15,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-14 04:13:15,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:16,022 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable786 [2021-06-14 04:13:16,022 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:13:16,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:13:16,023 INFO L82 PathProgramCache]: Analyzing trace with hash 155219248, now seen corresponding path program 34 times [2021-06-14 04:13:16,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:13:16,023 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85609970] [2021-06-14 04:13:16,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:13:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:13:17,412 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:13:17,412 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:13:17,413 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85609970] [2021-06-14 04:13:17,413 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85609970] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:13:17,413 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450769257] [2021-06-14 04:13:17,413 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:13:17,459 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 04:13:17,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:13:17,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 83 conjunts are in the unsatisfiable core [2021-06-14 04:13:17,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:13:19,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,050 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:19,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:19,065 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 [2021-06-14 04:13:19,067 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-14 04:13:19,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:19,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,084 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 [2021-06-14 04:13:19,086 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:19,166 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:13:19,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:19,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,205 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:19,212 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 70 treesize of output 46 [2021-06-14 04:13:19,214 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:19,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,220 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:19,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:19,228 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 72 treesize of output 48 [2021-06-14 04:13:19,230 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:19,276 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:13:19,281 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-14 04:13:19,281 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:371, output treesize:139 [2021-06-14 04:13:19,966 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-06-14 04:13:20,311 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-06-14 04:13:20,745 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-06-14 04:13:21,187 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-06-14 04:13:21,684 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-06-14 04:13:21,785 INFO L446 ElimStorePlain]: Different costs {21=[array_4], 120=[array_0]} [2021-06-14 04:13:21,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:21,824 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 83 treesize of output 57 [2021-06-14 04:13:21,827 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-14 04:13:21,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:21,857 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 70 treesize of output 46 [2021-06-14 04:13:21,859 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:21,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,878 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:21,890 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 [2021-06-14 04:13:21,892 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:21,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:21,922 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 73 treesize of output 49 [2021-06-14 04:13:21,924 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:21,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:21,953 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 72 treesize of output 48 [2021-06-14 04:13:21,955 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:21,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:21,983 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 [2021-06-14 04:13:21,985 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:21,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:21,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:22,026 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 92 treesize of output 64 [2021-06-14 04:13:22,029 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-06-14 04:13:22,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:22,060 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 [2021-06-14 04:13:22,063 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:22,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:22,092 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 90 treesize of output 62 [2021-06-14 04:13:22,095 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 4 xjuncts. [2021-06-14 04:13:22,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:22,110 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 [2021-06-14 04:13:22,113 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2021-06-14 04:13:22,380 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 96 [2021-06-14 04:13:22,380 INFO L628 ElimStorePlain]: treesize reduction 146, result has 71.4 percent of original size [2021-06-14 04:13:22,386 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:22,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:22,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-14 04:13:22,388 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:22,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:22,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:22,393 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 23 treesize of output 11 [2021-06-14 04:13:22,394 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:22,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:22,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:22,399 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 12 treesize of output 5 [2021-06-14 04:13:22,400 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:22,409 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:13:22,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:22,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:22,415 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 44 treesize of output 19 [2021-06-14 04:13:22,416 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:22,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:22,421 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:22,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-14 04:13:22,422 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:22,441 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:13:22,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:22,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:22,447 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 20 treesize of output 9 [2021-06-14 04:13:22,448 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:22,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:22,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:22,453 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 7 [2021-06-14 04:13:22,454 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:22,458 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:22,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:22,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-14 04:13:22,460 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:22,468 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:13:22,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:22,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:22,473 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 7 [2021-06-14 04:13:22,474 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:22,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:22,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:22,479 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 7 [2021-06-14 04:13:22,480 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:22,488 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:13:22,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:22,493 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 9 treesize of output 3 [2021-06-14 04:13:22,493 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:22,596 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-06-14 04:13:22,597 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:13:22,602 INFO L550 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-14 04:13:22,602 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 12 variables, input treesize:961, output treesize:185 [2021-06-14 04:13:22,838 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-06-14 04:13:22,973 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:13:22,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450769257] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:13:22,973 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:13:22,973 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24] total 47 [2021-06-14 04:13:22,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837592091] [2021-06-14 04:13:22,973 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-14 04:13:22,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:13:22,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-14 04:13:22,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=2065, Unknown=0, NotChecked=0, Total=2162 [2021-06-14 04:13:22,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:13:22,974 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:13:22,974 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 47 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:13:22,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:13:22,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:22,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:22,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:13:22,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:22,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:22,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-14 04:13:22,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:22,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:13:25,455 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2021-06-14 04:13:25,949 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2021-06-14 04:13:26,285 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2021-06-14 04:13:26,669 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 105 [2021-06-14 04:13:27,125 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 105 [2021-06-14 04:13:27,444 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 106 [2021-06-14 04:13:27,916 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 106 [2021-06-14 04:13:28,356 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 107 [2021-06-14 04:13:28,818 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 106 [2021-06-14 04:13:29,243 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2021-06-14 04:13:29,654 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2021-06-14 04:13:30,264 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 124 [2021-06-14 04:13:30,850 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2021-06-14 04:13:31,539 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 144 [2021-06-14 04:13:32,351 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 112 [2021-06-14 04:13:33,258 WARN L205 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 116 [2021-06-14 04:13:33,564 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2021-06-14 04:13:33,885 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2021-06-14 04:13:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:13:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:13:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:13:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-14 04:13:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 04:13:34,088 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable789,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:13:34,088 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:13:34,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:13:34,088 INFO L82 PathProgramCache]: Analyzing trace with hash 517489576, now seen corresponding path program 35 times [2021-06-14 04:13:34,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:13:34,088 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612461151] [2021-06-14 04:13:34,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:13:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:13:34,697 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:13:34,698 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:13:34,698 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612461151] [2021-06-14 04:13:34,698 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612461151] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:13:34,698 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161551813] [2021-06-14 04:13:34,698 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-06-14 04:13:34,762 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-14 04:13:34,762 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:13:34,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 68 conjunts are in the unsatisfiable core [2021-06-14 04:13:34,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:13:35,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2021-06-14 04:13:35,472 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:35,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2021-06-14 04:13:35,488 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:35,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-14 04:13:35,507 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:35,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 44 [2021-06-14 04:13:35,522 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:35,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 46 [2021-06-14 04:13:35,538 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-06-14 04:13:35,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2021-06-14 04:13:35,553 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:35,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-14 04:13:35,569 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:35,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 44 [2021-06-14 04:13:35,585 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:35,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2021-06-14 04:13:35,605 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:35,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 46 [2021-06-14 04:13:35,611 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2021-06-14 04:13:35,683 INFO L628 ElimStorePlain]: treesize reduction 106, result has 51.4 percent of original size [2021-06-14 04:13:35,684 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-14 04:13:35,684 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 1 variables, input treesize:607, output treesize:112 [2021-06-14 04:13:36,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:36,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-14 04:13:36,237 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:36,241 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:36,241 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 [2021-06-14 04:13:36,242 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:36,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:36,246 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 26 treesize of output 20 [2021-06-14 04:13:36,248 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:36,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:36,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-14 04:13:36,254 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:36,257 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 04:13:36,257 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:36,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:36,261 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 [2021-06-14 04:13:36,262 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:36,265 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 04:13:36,265 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:36,268 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 04:13:36,268 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:36,270 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 04:13:36,271 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:36,273 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 04:13:36,273 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:36,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:36,276 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 [2021-06-14 04:13:36,277 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:36,279 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 04:13:36,280 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:36,314 INFO L628 ElimStorePlain]: treesize reduction 75, result has 32.4 percent of original size [2021-06-14 04:13:36,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-14 04:13:36,317 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:36,329 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:13:36,330 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-14 04:13:36,330 INFO L247 ElimStorePlain]: Needed 14 recursive calls to eliminate 2 variables, input treesize:333, output treesize:31 [2021-06-14 04:13:36,432 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:13:36,433 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161551813] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:13:36,433 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:13:36,433 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 41 [2021-06-14 04:13:36,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772351453] [2021-06-14 04:13:36,433 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-06-14 04:13:36,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:13:36,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-06-14 04:13:36,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1545, Unknown=0, NotChecked=0, Total=1640 [2021-06-14 04:13:36,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:13:36,434 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:13:36,434 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 41 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:13:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:13:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:13:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:36,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:36,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:36,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:36,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:36,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:36,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:36,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:36,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:36,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:36,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:36,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:36,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:36,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:36,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:36,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:36,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:13:36,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:36,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:36,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-14 04:13:36,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:36,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 04:13:36,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:13:38,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:13:38,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:38,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:38,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:38,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:38,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:38,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-14 04:13:38,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:38,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 04:13:38,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:13:39,122 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable828,42 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:13:39,122 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:13:39,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:13:39,123 INFO L82 PathProgramCache]: Analyzing trace with hash -2099726310, now seen corresponding path program 36 times [2021-06-14 04:13:39,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:13:39,123 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761193228] [2021-06-14 04:13:39,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:13:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:13:39,802 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:13:39,802 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:13:39,802 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761193228] [2021-06-14 04:13:39,802 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761193228] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:13:39,802 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492496609] [2021-06-14 04:13:39,802 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:13:39,847 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-14 04:13:39,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:13:39,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 67 conjunts are in the unsatisfiable core [2021-06-14 04:13:39,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:13:40,545 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2021-06-14 04:13:41,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:41,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:41,893 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 71 treesize of output 47 [2021-06-14 04:13:41,895 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:41,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:41,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:41,921 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 70 treesize of output 46 [2021-06-14 04:13:41,923 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:41,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:41,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:41,954 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 70 treesize of output 46 [2021-06-14 04:13:41,956 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:41,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:41,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,976 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:41,982 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 [2021-06-14 04:13:41,984 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:41,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:41,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,004 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:42,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:42,021 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 81 treesize of output 55 [2021-06-14 04:13:42,024 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:42,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:13:42,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:42,040 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 71 treesize of output 47 [2021-06-14 04:13:42,042 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:42,178 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2021-06-14 04:13:42,178 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.7 percent of original size [2021-06-14 04:13:42,195 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-14 04:13:42,195 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:547, output treesize:152 [2021-06-14 04:13:43,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:43,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:43,133 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 [2021-06-14 04:13:43,134 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:43,138 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:43,138 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 [2021-06-14 04:13:43,139 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:43,185 INFO L628 ElimStorePlain]: treesize reduction 65, result has 44.4 percent of original size [2021-06-14 04:13:43,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:43,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-14 04:13:43,189 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-14 04:13:43,211 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:13:43,211 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 04:13:43,214 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:43,214 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:43,214 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 7 [2021-06-14 04:13:43,215 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:43,217 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:43,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-14 04:13:43,218 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:43,225 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:13:43,243 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:13:43,244 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 04:13:43,245 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:131, output treesize:18 [2021-06-14 04:13:43,312 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:13:43,312 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1492496609] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:13:43,312 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:13:43,312 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 47 [2021-06-14 04:13:43,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651347799] [2021-06-14 04:13:43,312 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-14 04:13:43,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:13:43,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-14 04:13:43,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=2061, Unknown=0, NotChecked=0, Total=2162 [2021-06-14 04:13:43,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:13:43,313 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:13:43,313 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 47 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:13:43,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:13:43,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:43,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:43,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:43,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:43,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:43,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:43,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:43,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 04:13:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:13:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:13:45,689 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2021-06-14 04:13:45,951 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 55 [2021-06-14 04:13:46,377 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 126 [2021-06-14 04:13:46,937 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 124 [2021-06-14 04:13:47,362 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 124 [2021-06-14 04:13:47,882 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 123 [2021-06-14 04:13:48,420 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 124 [2021-06-14 04:13:48,990 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 124 [2021-06-14 04:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:13:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-14 04:13:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 04:13:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:13:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:13:51,319 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable861 [2021-06-14 04:13:51,320 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:13:51,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:13:51,320 INFO L82 PathProgramCache]: Analyzing trace with hash -666345986, now seen corresponding path program 37 times [2021-06-14 04:13:51,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:13:51,320 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293070871] [2021-06-14 04:13:51,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:13:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:13:51,795 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:13:51,795 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:13:51,795 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293070871] [2021-06-14 04:13:51,795 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293070871] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:13:51,795 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771141156] [2021-06-14 04:13:51,795 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:13:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:13:51,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-14 04:13:51,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:13:52,386 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 [2021-06-14 04:13:52,387 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:52,390 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 [2021-06-14 04:13:52,390 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:52,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:52,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:52,394 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 [2021-06-14 04:13:52,395 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:52,397 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 [2021-06-14 04:13:52,398 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:52,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-14 04:13:52,401 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:52,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:52,404 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 [2021-06-14 04:13:52,405 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:52,474 INFO L628 ElimStorePlain]: treesize reduction 34, result has 66.7 percent of original size [2021-06-14 04:13:52,476 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2021-06-14 04:13:52,476 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:155, output treesize:62 [2021-06-14 04:13:52,930 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 [2021-06-14 04:13:52,931 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:52,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:52,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:52,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-14 04:13:52,935 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:52,938 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 [2021-06-14 04:13:52,938 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:52,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:52,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-14 04:13:52,942 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:52,983 INFO L628 ElimStorePlain]: treesize reduction 36, result has 41.0 percent of original size [2021-06-14 04:13:52,983 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 04:13:52,985 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:13:52,985 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:99, output treesize:13 [2021-06-14 04:13:53,028 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:13:53,028 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771141156] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:13:53,028 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:13:53,028 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 41 [2021-06-14 04:13:53,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774339018] [2021-06-14 04:13:53,029 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-06-14 04:13:53,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:13:53,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-06-14 04:13:53,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=1542, Unknown=0, NotChecked=0, Total=1640 [2021-06-14 04:13:53,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:13:53,029 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:13:53,029 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 41 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:13:53,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:13:53,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:53,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:53,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:53,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:53,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:53,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-14 04:13:53,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:53,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 04:13:53,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:13:53,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:13:53,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:13:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:13:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:13:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:55,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:55,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:55,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:55,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:55,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:55,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:55,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:55,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:55,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:55,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:55,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:55,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:55,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:55,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:13:55,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:55,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:55,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:13:55,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:55,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 04:13:55,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:13:55,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:13:55,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:13:55,221 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable886,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:13:55,221 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:13:55,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:13:55,221 INFO L82 PathProgramCache]: Analyzing trace with hash 790685062, now seen corresponding path program 38 times [2021-06-14 04:13:55,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:13:55,222 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936856315] [2021-06-14 04:13:55,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:13:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:13:55,581 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 6 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:13:55,581 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:13:55,581 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936856315] [2021-06-14 04:13:55,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936856315] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:13:55,581 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964704194] [2021-06-14 04:13:55,581 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:13:55,628 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 04:13:55,628 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:13:55,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 45 conjunts are in the unsatisfiable core [2021-06-14 04:13:55,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:13:55,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:55,874 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 [2021-06-14 04:13:55,875 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:55,877 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 [2021-06-14 04:13:55,877 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:55,893 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:13:55,894 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:13:55,894 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:39 [2021-06-14 04:13:56,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:56,126 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 [2021-06-14 04:13:56,127 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:56,129 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:56,129 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 [2021-06-14 04:13:56,129 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:56,131 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 [2021-06-14 04:13:56,132 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:56,142 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 04:13:56,143 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:56,159 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-14 04:13:56,159 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 04:13:56,159 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:13:56,159 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-14 04:13:56,196 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 6 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:13:56,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964704194] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:13:56,196 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:13:56,197 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 36 [2021-06-14 04:13:56,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724219529] [2021-06-14 04:13:56,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-14 04:13:56,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:13:56,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-14 04:13:56,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1176, Unknown=0, NotChecked=0, Total=1260 [2021-06-14 04:13:56,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:13:56,197 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:13:56,197 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 36 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:56,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:56,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:56,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:56,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:56,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:56,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:13:56,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:56,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:56,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:13:56,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:56,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 04:13:56,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:13:56,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:13:56,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:13:56,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:13:57,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:13:57,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:57,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:57,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:13:57,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:57,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:13:57,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:57,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:57,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:57,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:57,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:13:57,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:13:57,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:13:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:13:57,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 04:13:57,676 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable895 [2021-06-14 04:13:57,677 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:13:57,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:13:57,677 INFO L82 PathProgramCache]: Analyzing trace with hash 419844740, now seen corresponding path program 39 times [2021-06-14 04:13:57,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:13:57,677 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684029696] [2021-06-14 04:13:57,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:13:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:13:58,200 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:13:58,201 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:13:58,201 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684029696] [2021-06-14 04:13:58,201 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684029696] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:13:58,201 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350535850] [2021-06-14 04:13:58,201 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 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 [2021-06-14 04:13:58,251 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-14 04:13:58,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:13:58,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 67 conjunts are in the unsatisfiable core [2021-06-14 04:13:58,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:13:58,697 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:58,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:58,698 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 [2021-06-14 04:13:58,699 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:58,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:13:58,702 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 [2021-06-14 04:13:58,702 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:13:58,732 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:13:58,736 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2021-06-14 04:13:58,736 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:79, output treesize:65 [2021-06-14 04:13:59,419 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-06-14 04:13:59,713 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-06-14 04:14:00,042 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-06-14 04:14:00,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:00,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:00,132 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 72 treesize of output 48 [2021-06-14 04:14:00,134 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:00,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,140 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:00,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:00,170 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 70 treesize of output 46 [2021-06-14 04:14:00,172 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:00,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:00,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,192 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:00,199 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 [2021-06-14 04:14:00,201 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-14 04:14:00,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:00,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:00,216 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 [2021-06-14 04:14:00,218 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:00,322 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2021-06-14 04:14:00,322 INFO L628 ElimStorePlain]: treesize reduction 44, result has 73.0 percent of original size [2021-06-14 04:14:00,326 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:00,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:00,327 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 7 [2021-06-14 04:14:00,328 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:00,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:00,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:00,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-14 04:14:00,333 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:00,340 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:14:00,344 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:00,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-14 04:14:00,345 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:00,391 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:14:00,393 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 04:14:00,393 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 10 variables, input treesize:393, output treesize:55 [2021-06-14 04:14:00,550 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:14:00,550 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350535850] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:14:00,551 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:14:00,551 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 41 [2021-06-14 04:14:00,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805613463] [2021-06-14 04:14:00,551 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-06-14 04:14:00,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:14:00,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-06-14 04:14:00,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1556, Unknown=0, NotChecked=0, Total=1640 [2021-06-14 04:14:00,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:14:00,552 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:14:00,552 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 41 states have internal predecessors, (55), 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) [2021-06-14 04:14:00,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:14:00,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:14:00,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:00,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:14:00,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:00,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:00,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:14:00,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:00,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:14:00,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:14:00,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:14:00,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:14:00,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:00,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:00,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:14:00,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:00,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:14:00,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:14:00,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:00,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:14:00,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:14:00,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:00,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:14:00,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:00,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:14:00,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:00,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:14:00,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:00,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:00,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:00,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:00,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:00,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:00,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:00,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:14:00,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:00,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:00,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:14:00,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:00,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 04:14:00,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:00,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:14:00,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:00,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 04:14:00,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:14:03,840 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2021-06-14 04:14:04,135 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2021-06-14 04:14:04,491 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2021-06-14 04:14:04,894 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2021-06-14 04:14:05,406 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2021-06-14 04:14:05,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:05,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:05,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:05,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:05,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:05,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:14:05,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:05,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:05,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:14:05,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:05,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 04:14:05,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:05,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:14:05,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:05,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 04:14:05,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:14:05,826 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable901,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:14:05,827 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:14:05,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:14:05,827 INFO L82 PathProgramCache]: Analyzing trace with hash 130945236, now seen corresponding path program 40 times [2021-06-14 04:14:05,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:14:05,827 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954367339] [2021-06-14 04:14:05,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:14:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:14:06,247 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:14:06,247 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:14:06,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954367339] [2021-06-14 04:14:06,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954367339] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:14:06,248 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131209221] [2021-06-14 04:14:06,248 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 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 [2021-06-14 04:14:06,292 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 04:14:06,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:14:06,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-14 04:14:06,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:14:06,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:06,560 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 [2021-06-14 04:14:06,561 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:06,563 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 [2021-06-14 04:14:06,563 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:06,579 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:14:06,579 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:14:06,579 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:39 [2021-06-14 04:14:06,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:06,862 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 [2021-06-14 04:14:06,863 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:06,865 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:06,865 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 [2021-06-14 04:14:06,865 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:06,867 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 04:14:06,868 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:06,869 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 [2021-06-14 04:14:06,870 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:06,885 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-14 04:14:06,885 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 04:14:06,886 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:14:06,886 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-14 04:14:06,926 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:14:06,926 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2131209221] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:14:06,926 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:14:06,926 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 40 [2021-06-14 04:14:06,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412515276] [2021-06-14 04:14:06,926 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-14 04:14:06,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:14:06,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-14 04:14:06,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1466, Unknown=0, NotChecked=0, Total=1560 [2021-06-14 04:14:06,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:14:06,927 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:14:06,927 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.3) internal successors, (52), 40 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:14:06,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:14:06,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:14:06,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:06,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:14:06,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:06,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:06,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:14:06,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:06,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:14:06,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:14:06,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:06,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:14:06,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:06,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 04:14:06,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:14:06,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:14:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:14:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:14:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 04:14:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:14:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 04:14:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:14:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:08,467 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable925 [2021-06-14 04:14:08,467 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:14:08,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:14:08,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1808696646, now seen corresponding path program 41 times [2021-06-14 04:14:08,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:14:08,467 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599391646] [2021-06-14 04:14:08,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:14:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:14:08,946 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:14:08,946 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:14:08,946 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599391646] [2021-06-14 04:14:08,946 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599391646] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:14:08,946 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731785467] [2021-06-14 04:14:08,946 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 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 [2021-06-14 04:14:08,999 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-14 04:14:08,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:14:09,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-14 04:14:09,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:14:09,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:09,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-14 04:14:09,264 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:09,266 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 [2021-06-14 04:14:09,267 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:09,282 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:14:09,283 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:14:09,283 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:39 [2021-06-14 04:14:09,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:09,540 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 [2021-06-14 04:14:09,540 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:09,542 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 [2021-06-14 04:14:09,543 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:09,557 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 04:14:09,557 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 04:14:09,558 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 04:14:09,558 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 04:14:09,595 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:14:09,595 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731785467] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:14:09,595 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:14:09,595 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 40 [2021-06-14 04:14:09,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806015902] [2021-06-14 04:14:09,595 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-14 04:14:09,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:14:09,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-14 04:14:09,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1466, Unknown=0, NotChecked=0, Total=1560 [2021-06-14 04:14:09,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:14:09,596 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:14:09,596 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.325) internal successors, (53), 40 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:14:09,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:14:09,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:14:09,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:09,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:14:09,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:09,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:09,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:14:09,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:09,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:14:09,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:14:09,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:14:09,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:14:09,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:09,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:09,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:14:09,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:09,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:14:11,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:14:11,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:14:11,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:11,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:14:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:11,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:11,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:14:11,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:11,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 04:14:11,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:11,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:14:11,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:11,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 04:14:11,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:14:11,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:11,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:11,471 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable931,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:14:11,472 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:14:11,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:14:11,472 INFO L82 PathProgramCache]: Analyzing trace with hash 235681362, now seen corresponding path program 42 times [2021-06-14 04:14:11,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:14:11,472 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958960088] [2021-06-14 04:14:11,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:14:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:14:12,849 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:14:12,849 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:14:12,849 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958960088] [2021-06-14 04:14:12,849 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958960088] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:14:12,849 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446933763] [2021-06-14 04:14:12,849 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 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 [2021-06-14 04:14:12,898 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-14 04:14:12,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:14:12,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 96 conjunts are in the unsatisfiable core [2021-06-14 04:14:12,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:14:14,651 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2021-06-14 04:14:15,248 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-06-14 04:14:15,887 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-06-14 04:14:16,575 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2021-06-14 04:14:17,352 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2021-06-14 04:14:18,232 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-06-14 04:14:18,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,692 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,696 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 95 [2021-06-14 04:14:18,709 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:18,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 103 [2021-06-14 04:14:18,813 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:18,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,823 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:18,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:18,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 95 [2021-06-14 04:14:18,855 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:19,106 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-06-14 04:14:19,107 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:14:19,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,137 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,138 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,143 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,162 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,185 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 111 [2021-06-14 04:14:19,188 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:19,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,197 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,208 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,225 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,227 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,228 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,243 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,264 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 103 [2021-06-14 04:14:19,269 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:19,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,290 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,296 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:19,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:19,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 103 [2021-06-14 04:14:19,311 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:19,557 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2021-06-14 04:14:19,558 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:14:19,590 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-1 vars, End of recursive call: 12 dim-0 vars, and 6 xjuncts. [2021-06-14 04:14:19,590 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 10 variables, input treesize:1048, output treesize:694 [2021-06-14 04:14:21,778 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 304 DAG size of output: 207 [2021-06-14 04:14:25,415 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 211 DAG size of output: 198 [2021-06-14 04:14:27,081 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 239 [2021-06-14 04:14:28,217 WARN L205 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2021-06-14 04:14:29,754 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 239 [2021-06-14 04:14:30,932 WARN L205 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2021-06-14 04:14:31,974 WARN L205 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2021-06-14 04:14:32,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:32,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:32,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 63 [2021-06-14 04:14:32,164 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:32,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:32,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,188 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 95 treesize of output 65 [2021-06-14 04:14:32,191 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:32,527 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 173 [2021-06-14 04:14:32,528 INFO L628 ElimStorePlain]: treesize reduction 339, result has 51.6 percent of original size [2021-06-14 04:14:32,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:32,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 63 [2021-06-14 04:14:32,556 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-14 04:14:32,669 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-06-14 04:14:32,669 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:14:32,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:32,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:32,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-14 04:14:32,677 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:32,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:32,684 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 7 [2021-06-14 04:14:32,684 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:32,694 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:14:32,801 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2021-06-14 04:14:32,802 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:14:32,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:32,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:32,823 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 85 treesize of output 57 [2021-06-14 04:14:32,825 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:32,905 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:14:32,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:32,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-14 04:14:32,911 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:32,990 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:14:32,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:32,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:32,997 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 12 treesize of output 5 [2021-06-14 04:14:32,998 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:33,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:33,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-14 04:14:33,004 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:33,087 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:14:33,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:33,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:33,110 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 95 treesize of output 65 [2021-06-14 04:14:33,113 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:33,172 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:14:33,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:33,177 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 12 treesize of output 5 [2021-06-14 04:14:33,178 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:33,235 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:14:33,238 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 8 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-06-14 04:14:33,238 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 16 variables, input treesize:844, output treesize:43 [2021-06-14 04:14:33,379 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:14:33,380 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446933763] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:14:33,380 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:14:33,380 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27] total 52 [2021-06-14 04:14:33,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452337822] [2021-06-14 04:14:33,380 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-06-14 04:14:33,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:14:33,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-06-14 04:14:33,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=2532, Unknown=0, NotChecked=0, Total=2652 [2021-06-14 04:14:33,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:14:33,381 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:14:33,381 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.2307692307692308) internal successors, (64), 52 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:14:33,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:14:33,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:14:33,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:33,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:14:33,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:33,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:33,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:14:33,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:33,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:14:33,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:14:33,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:14:33,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:14:33,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:33,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:33,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:14:33,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:33,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:14:33,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:14:33,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:33,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:14:33,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:14:33,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:33,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:14:33,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:33,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:14:33,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:33,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:14:33,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:33,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:33,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:33,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:33,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:33,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:33,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:33,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:14:33,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:33,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:33,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:14:33,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:33,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 04:14:33,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:33,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:14:33,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:33,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 04:14:33,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:14:33,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:33,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:33,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:14:37,573 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2021-06-14 04:14:38,394 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 165 [2021-06-14 04:14:39,664 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 274 [2021-06-14 04:14:40,676 WARN L205 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 176 [2021-06-14 04:14:42,071 WARN L205 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 282 [2021-06-14 04:14:43,613 WARN L205 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 185 [2021-06-14 04:14:45,266 WARN L205 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2021-06-14 04:14:47,207 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2021-06-14 04:14:51,313 WARN L205 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 226 DAG size of output: 210 [2021-06-14 04:14:52,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:52,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:52,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:14:52,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:52,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:52,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:14:52,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:52,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 04:14:52,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:52,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:14:52,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:52,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 04:14:52,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:14:52,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:52,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:52,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:14:53,150 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable934,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:14:53,151 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:14:53,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:14:53,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1283152186, now seen corresponding path program 43 times [2021-06-14 04:14:53,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:14:53,151 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114684999] [2021-06-14 04:14:53,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:14:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:14:54,024 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 8 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:14:54,024 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:14:54,024 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114684999] [2021-06-14 04:14:54,024 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114684999] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:14:54,024 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296803637] [2021-06-14 04:14:54,024 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 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 [2021-06-14 04:14:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:14:54,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 76 conjunts are in the unsatisfiable core [2021-06-14 04:14:54,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:14:55,514 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-06-14 04:14:55,805 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-06-14 04:14:55,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,879 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:55,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,898 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:55,900 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 83 treesize of output 55 [2021-06-14 04:14:55,903 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:55,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:55,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:55,947 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 [2021-06-14 04:14:55,950 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:55,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:55,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:55,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:55,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 63 [2021-06-14 04:14:55,995 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-14 04:14:56,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:56,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:56,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:56,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:56,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:56,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:56,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:56,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:56,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:56,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:56,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:56,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:56,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:56,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:56,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:56,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:56,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:56,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:56,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:56,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:56,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:56,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:56,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:56,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:56,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:56,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:14:56,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 53 [2021-06-14 04:14:56,020 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:56,086 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:14:56,091 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-14 04:14:56,092 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:431, output treesize:155 [2021-06-14 04:14:56,723 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2021-06-14 04:14:57,272 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-06-14 04:14:58,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:58,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:58,808 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 18 treesize of output 14 [2021-06-14 04:14:58,809 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:58,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:58,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:58,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-14 04:14:58,819 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:58,828 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:58,828 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:58,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-14 04:14:58,829 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:58,837 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:58,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:58,838 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 19 treesize of output 15 [2021-06-14 04:14:58,839 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:58,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:58,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:58,848 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 [2021-06-14 04:14:58,849 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:58,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:58,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:58,858 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 18 treesize of output 14 [2021-06-14 04:14:58,859 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:58,867 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:58,867 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:58,867 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 [2021-06-14 04:14:58,868 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:58,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:58,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:58,877 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 [2021-06-14 04:14:58,878 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:58,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:58,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:58,886 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 26 treesize of output 20 [2021-06-14 04:14:58,887 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:58,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:58,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:58,895 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 28 treesize of output 22 [2021-06-14 04:14:58,897 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:58,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:58,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:58,905 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 [2021-06-14 04:14:58,906 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:58,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:58,914 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 [2021-06-14 04:14:58,915 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:59,250 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 74 [2021-06-14 04:14:59,251 INFO L628 ElimStorePlain]: treesize reduction 116, result has 64.8 percent of original size [2021-06-14 04:14:59,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:59,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:59,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-14 04:14:59,260 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:59,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:59,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:59,267 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 20 treesize of output 9 [2021-06-14 04:14:59,268 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:59,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:14:59,275 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 9 treesize of output 3 [2021-06-14 04:14:59,276 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-14 04:14:59,408 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-06-14 04:14:59,408 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:14:59,425 INFO L550 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-14 04:14:59,425 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 14 variables, input treesize:473, output treesize:76 [2021-06-14 04:14:59,660 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:14:59,661 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296803637] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:14:59,661 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:14:59,661 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 47 [2021-06-14 04:14:59,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881312004] [2021-06-14 04:14:59,661 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-14 04:14:59,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:14:59,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-14 04:14:59,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=2051, Unknown=0, NotChecked=0, Total=2162 [2021-06-14 04:14:59,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:14:59,662 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:14:59,662 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 47 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:14:59,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:14:59,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:14:59,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:59,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:14:59,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:59,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:14:59,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:14:59,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:59,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:14:59,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:14:59,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:14:59,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:14:59,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:59,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:59,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:14:59,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:14:59,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:14:59,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:14:59,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:59,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:14:59,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:14:59,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:59,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:14:59,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:59,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:14:59,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:59,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:14:59,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:59,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:59,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:14:59,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:14:59,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:59,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:14:59,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:59,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:14:59,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:59,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:59,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:14:59,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:14:59,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 04:14:59,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:59,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:14:59,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:59,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 04:14:59,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:14:59,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:59,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:14:59,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:14:59,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:15:03,937 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2021-06-14 04:15:04,327 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2021-06-14 04:15:04,954 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2021-06-14 04:15:05,673 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2021-06-14 04:15:06,391 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2021-06-14 04:15:07,177 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2021-06-14 04:15:07,726 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2021-06-14 04:15:08,624 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 122 [2021-06-14 04:15:09,165 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-06-14 04:15:09,633 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-06-14 04:15:10,080 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-06-14 04:15:10,547 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-06-14 04:15:10,944 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-06-14 04:15:11,459 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-06-14 04:15:12,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:15:12,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:15:12,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:12,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:15:12,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:15:12,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:12,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:12,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:12,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:12,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 04:15:12,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:12,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:15:12,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:12,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 04:15:12,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:15:12,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:12,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:12,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:12,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:12,231 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1032,50 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:15:12,231 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:15:12,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:15:12,231 INFO L82 PathProgramCache]: Analyzing trace with hash -812466028, now seen corresponding path program 44 times [2021-06-14 04:15:12,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:15:12,231 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189369278] [2021-06-14 04:15:12,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:15:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:15:13,407 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:15:13,408 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:15:13,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189369278] [2021-06-14 04:15:13,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189369278] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:15:13,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270922636] [2021-06-14 04:15:13,408 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 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 [2021-06-14 04:15:13,458 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 04:15:13,458 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:15:13,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 76 conjunts are in the unsatisfiable core [2021-06-14 04:15:13,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:15:14,584 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2021-06-14 04:15:15,267 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-06-14 04:15:15,535 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-06-14 04:15:15,824 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-06-14 04:15:16,140 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-06-14 04:15:16,845 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-06-14 04:15:16,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,916 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:16,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:16,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 53 [2021-06-14 04:15:16,946 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:16,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:16,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:17,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:17,001 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 92 treesize of output 62 [2021-06-14 04:15:17,004 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:17,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:17,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:17,053 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 82 treesize of output 54 [2021-06-14 04:15:17,059 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:17,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:17,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:17,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 53 [2021-06-14 04:15:17,106 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:17,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:17,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,140 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:17,148 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 82 treesize of output 54 [2021-06-14 04:15:17,152 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:17,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:17,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:17,174 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 [2021-06-14 04:15:17,187 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:17,352 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2021-06-14 04:15:17,352 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.7 percent of original size [2021-06-14 04:15:17,356 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-14 04:15:17,356 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:613, output treesize:152 [2021-06-14 04:15:18,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:18,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:18,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-14 04:15:18,701 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:18,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:18,705 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 [2021-06-14 04:15:18,706 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:18,754 INFO L628 ElimStorePlain]: treesize reduction 65, result has 44.4 percent of original size [2021-06-14 04:15:18,754 INFO L518 ElimStorePlain]: Eliminatee v_prenex_328 vanished before elimination [2021-06-14 04:15:18,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:18,757 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 [2021-06-14 04:15:18,758 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-14 04:15:18,782 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:15:18,785 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:18,785 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:18,785 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 7 [2021-06-14 04:15:18,786 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:18,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:18,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-14 04:15:18,789 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:18,797 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:15:18,817 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:15:18,818 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 04:15:18,818 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:131, output treesize:18 [2021-06-14 04:15:18,904 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:15:18,905 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270922636] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:15:18,905 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:15:18,905 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 53 [2021-06-14 04:15:18,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596002931] [2021-06-14 04:15:18,905 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-06-14 04:15:18,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:15:18,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-06-14 04:15:18,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=2642, Unknown=0, NotChecked=0, Total=2756 [2021-06-14 04:15:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:15:18,906 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:15:18,906 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.2452830188679245) internal successors, (66), 53 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:15:18,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:15:18,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:15:18,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:18,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:15:18,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:18,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:18,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:15:18,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:18,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:15:18,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:15:18,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:15:18,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:15:18,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:18,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:18,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 04:15:18,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:15:18,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:18,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:18,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:18,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:18,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:15:22,591 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2021-06-14 04:15:23,543 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 134 [2021-06-14 04:15:24,279 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 140 [2021-06-14 04:15:24,834 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2021-06-14 04:15:25,502 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2021-06-14 04:15:26,247 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 137 [2021-06-14 04:15:27,070 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 137 [2021-06-14 04:15:27,923 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 140 [2021-06-14 04:15:28,594 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2021-06-14 04:15:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:15:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:15:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:15:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:15:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:15:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:15:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:15:31,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:31,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 04:15:31,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:15:31,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:31,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:31,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:31,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:31,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 04:15:31,280 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1104 [2021-06-14 04:15:31,281 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:15:31,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:15:31,281 INFO L82 PathProgramCache]: Analyzing trace with hash 584017092, now seen corresponding path program 45 times [2021-06-14 04:15:31,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:15:31,281 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177627956] [2021-06-14 04:15:31,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:15:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:15:31,867 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:15:31,868 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:15:31,868 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177627956] [2021-06-14 04:15:31,868 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177627956] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:15:31,868 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742586690] [2021-06-14 04:15:31,868 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 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 [2021-06-14 04:15:31,920 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-14 04:15:31,921 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:15:31,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-14 04:15:31,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:15:32,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:32,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:32,647 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 [2021-06-14 04:15:32,649 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:32,652 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 [2021-06-14 04:15:32,653 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:32,656 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 [2021-06-14 04:15:32,659 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:32,663 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 [2021-06-14 04:15:32,664 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:32,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:32,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:32,668 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 [2021-06-14 04:15:32,668 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:32,671 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 [2021-06-14 04:15:32,672 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:32,751 INFO L628 ElimStorePlain]: treesize reduction 34, result has 66.7 percent of original size [2021-06-14 04:15:32,753 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2021-06-14 04:15:32,753 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:155, output treesize:62 [2021-06-14 04:15:33,374 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:33,375 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:33,375 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 [2021-06-14 04:15:33,376 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:33,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:33,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:33,380 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 [2021-06-14 04:15:33,382 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:33,384 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 [2021-06-14 04:15:33,385 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:33,388 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 [2021-06-14 04:15:33,389 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:33,426 INFO L628 ElimStorePlain]: treesize reduction 36, result has 41.0 percent of original size [2021-06-14 04:15:33,427 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 04:15:33,428 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:15:33,428 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:99, output treesize:13 [2021-06-14 04:15:33,490 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:15:33,491 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742586690] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:15:33,491 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:15:33,491 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 46 [2021-06-14 04:15:33,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127672815] [2021-06-14 04:15:33,491 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-14 04:15:33,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:15:33,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-14 04:15:33,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1960, Unknown=0, NotChecked=0, Total=2070 [2021-06-14 04:15:33,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:15:33,492 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:15:33,492 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 46 states have internal predecessors, (59), 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) [2021-06-14 04:15:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:15:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:15:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:15:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:15:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:15:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:15:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:15:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:15:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:15:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:15:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:33,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 04:15:33,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:15:36,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:15:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:15:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:15:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:15:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:15:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:15:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:15:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:15:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:15:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:15:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:15:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:15:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:15:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:15:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:36,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:36,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:36,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:36,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:36,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:36,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:36,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:36,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:36,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:15:36,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:36,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:36,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:36,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:36,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 04:15:36,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:36,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:15:36,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:36,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 04:15:36,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:36,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:36,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:36,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:36,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-14 04:15:36,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 04:15:36,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:36,757 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1130,52 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:15:36,757 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:15:36,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:15:36,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1866241922, now seen corresponding path program 46 times [2021-06-14 04:15:36,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:15:36,757 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804751405] [2021-06-14 04:15:36,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:15:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:15:37,454 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:15:37,455 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:15:37,455 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804751405] [2021-06-14 04:15:37,455 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804751405] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:15:37,455 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213019682] [2021-06-14 04:15:37,455 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 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:15:37,501 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 04:15:37,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:15:37,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 76 conjunts are in the unsatisfiable core [2021-06-14 04:15:37,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:15:38,134 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:38,134 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:38,135 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 [2021-06-14 04:15:38,135 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:38,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:38,139 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 [2021-06-14 04:15:38,140 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:38,177 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:15:38,181 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2021-06-14 04:15:38,181 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:79, output treesize:65 [2021-06-14 04:15:38,991 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-06-14 04:15:39,318 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-06-14 04:15:39,699 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-06-14 04:15:40,138 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-06-14 04:15:40,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,231 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:40,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,247 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:40,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 63 [2021-06-14 04:15:40,268 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-14 04:15:40,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:40,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:40,309 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 [2021-06-14 04:15:40,312 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:40,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,326 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:40,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:40,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 53 [2021-06-14 04:15:40,354 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:40,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:40,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:15:40,380 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 83 treesize of output 55 [2021-06-14 04:15:40,383 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:40,519 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2021-06-14 04:15:40,519 INFO L628 ElimStorePlain]: treesize reduction 44, result has 73.0 percent of original size [2021-06-14 04:15:40,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:40,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:40,525 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 9 treesize of output 3 [2021-06-14 04:15:40,526 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:40,530 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:40,530 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:40,531 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 7 [2021-06-14 04:15:40,531 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:40,536 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:40,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-14 04:15:40,536 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:40,545 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:15:40,600 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:15:40,602 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 04:15:40,602 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 10 variables, input treesize:437, output treesize:55 [2021-06-14 04:15:40,802 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:15:40,802 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213019682] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:15:40,802 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:15:40,802 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 46 [2021-06-14 04:15:40,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851193610] [2021-06-14 04:15:40,802 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-14 04:15:40,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:15:40,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-14 04:15:40,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1976, Unknown=0, NotChecked=0, Total=2070 [2021-06-14 04:15:40,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:15:40,803 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:15:40,803 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 46 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) [2021-06-14 04:15:40,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:15:40,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:15:40,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:40,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:15:40,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:40,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:40,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:15:40,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:40,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:15:40,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:15:40,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:15:40,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:15:40,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 04:15:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:40,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:40,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:40,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:40,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-14 04:15:40,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 04:15:40,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:40,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:15:45,135 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2021-06-14 04:15:45,547 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-06-14 04:15:45,977 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2021-06-14 04:15:46,412 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2021-06-14 04:15:46,942 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2021-06-14 04:15:47,574 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2021-06-14 04:15:48,333 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2021-06-14 04:15:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:15:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:15:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:15:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:15:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:15:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:15:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:15:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:15:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:15:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:15:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:15:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:15:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 04:15:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:48,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 04:15:48,812 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1140,53 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:15:48,812 INFO L430 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:15:48,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:15:48,812 INFO L82 PathProgramCache]: Analyzing trace with hash -2018264550, now seen corresponding path program 47 times [2021-06-14 04:15:48,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:15:48,812 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075225990] [2021-06-14 04:15:48,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:15:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:15:49,398 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:15:49,398 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:15:49,399 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075225990] [2021-06-14 04:15:49,399 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075225990] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:15:49,399 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884618439] [2021-06-14 04:15:49,399 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 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:15:49,467 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-14 04:15:49,467 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:15:49,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-14 04:15:49,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:15:49,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:49,863 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 [2021-06-14 04:15:49,864 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:49,866 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 [2021-06-14 04:15:49,867 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:49,885 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:15:49,886 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:15:49,886 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:39 [2021-06-14 04:15:50,306 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 [2021-06-14 04:15:50,307 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:50,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:50,310 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 [2021-06-14 04:15:50,311 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:50,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:50,313 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 [2021-06-14 04:15:50,313 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:50,315 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 04:15:50,315 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:50,332 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-14 04:15:50,332 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 04:15:50,333 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:15:50,333 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-14 04:15:50,381 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:15:50,381 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884618439] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:15:50,381 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:15:50,381 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 45 [2021-06-14 04:15:50,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490004758] [2021-06-14 04:15:50,382 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-06-14 04:15:50,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:15:50,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-06-14 04:15:50,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1874, Unknown=0, NotChecked=0, Total=1980 [2021-06-14 04:15:50,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:15:50,382 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:15:50,382 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 1.2666666666666666) internal successors, (57), 45 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) [2021-06-14 04:15:50,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:15:50,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:15:50,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:50,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:15:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 04:15:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:15:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 04:15:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-14 04:15:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 04:15:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 04:15:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:15:52,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:15:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 04:15:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:15:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 04:15:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-14 04:15:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 04:15:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 04:15:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:52,712 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1166 [2021-06-14 04:15:52,712 INFO L430 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:15:52,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:15:52,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1547578392, now seen corresponding path program 48 times [2021-06-14 04:15:52,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:15:52,713 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58435462] [2021-06-14 04:15:52,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:15:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:15:53,363 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:15:53,363 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:15:53,363 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58435462] [2021-06-14 04:15:53,363 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58435462] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:15:53,363 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380916262] [2021-06-14 04:15:53,363 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 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:15:53,416 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-14 04:15:53,416 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 04:15:53,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-14 04:15:53,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:15:53,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:53,784 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 [2021-06-14 04:15:53,785 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:53,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-14 04:15:53,788 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:53,806 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:15:53,806 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 04:15:53,806 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:39 [2021-06-14 04:15:54,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:15:54,175 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 [2021-06-14 04:15:54,175 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:54,177 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 [2021-06-14 04:15:54,178 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:15:54,195 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 04:15:54,195 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 04:15:54,195 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 04:15:54,195 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 04:15:54,241 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:15:54,241 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380916262] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:15:54,241 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:15:54,241 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 45 [2021-06-14 04:15:54,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420696545] [2021-06-14 04:15:54,241 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-06-14 04:15:54,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:15:54,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-06-14 04:15:54,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1874, Unknown=0, NotChecked=0, Total=1980 [2021-06-14 04:15:54,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:15:54,242 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:15:54,242 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 1.288888888888889) internal successors, (58), 45 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:15:54,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:15:54,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:15:54,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:54,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:15:54,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:54,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:54,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:54,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:54,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 04:15:54,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:54,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:15:54,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:54,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 04:15:54,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:54,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:54,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:54,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:54,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-14 04:15:54,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 04:15:54,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:54,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 04:15:54,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:54,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:15:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:15:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:15:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:15:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:15:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:15:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:15:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:15:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:15:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:15:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 04:15:56,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:15:56,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:56,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:15:56,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:56,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-14 04:15:56,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 04:15:56,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:56,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 04:15:56,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:56,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:15:56,573 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1172,55 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:15:56,574 INFO L430 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 04:15:56,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 04:15:56,574 INFO L82 PathProgramCache]: Analyzing trace with hash -729629712, now seen corresponding path program 49 times [2021-06-14 04:15:56,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 04:15:56,574 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088846929] [2021-06-14 04:15:56,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 04:15:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:15:58,262 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:15:58,262 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 04:15:58,263 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088846929] [2021-06-14 04:15:58,263 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088846929] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:15:58,263 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639998931] [2021-06-14 04:15:58,263 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 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:15:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 04:15:58,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 108 conjunts are in the unsatisfiable core [2021-06-14 04:15:58,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 04:16:00,791 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 234 [2021-06-14 04:16:01,646 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 161 [2021-06-14 04:16:02,650 WARN L205 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 242 [2021-06-14 04:16:03,863 WARN L205 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 246 [2021-06-14 04:16:05,200 WARN L205 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 173 [2021-06-14 04:16:06,625 WARN L205 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 254 [2021-06-14 04:16:08,199 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 184 DAG size of output: 181 [2021-06-14 04:16:08,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:08,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,487 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:08,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:08,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:08,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:08,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:08,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:08,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,516 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:08,518 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:08,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:08,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:08,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:08,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:08,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:08,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:08,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:08,574 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-06-14 04:16:08,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 109 [2021-06-14 04:16:08,576 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:16:08,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:08,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:08,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:08,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:08,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:08,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:08,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:08,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:08,639 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:08,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 117 [2021-06-14 04:16:08,642 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:16:09,468 WARN L205 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 216 [2021-06-14 04:16:09,468 INFO L628 ElimStorePlain]: treesize reduction 115, result has 88.4 percent of original size [2021-06-14 04:16:09,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:09,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:09,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:09,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:09,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:09,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:09,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:09,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:09,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:09,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:09,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:09,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:09,575 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:09,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:09,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:09,583 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:09,583 INFO L244 Elim1Store]: Index analysis took 105 ms [2021-06-14 04:16:09,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 117 [2021-06-14 04:16:09,586 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:16:09,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,602 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:09,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,617 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:09,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:09,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:09,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:09,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,648 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:09,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:09,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:09,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 109 [2021-06-14 04:16:09,656 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:16:09,955 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-06-14 04:16:09,955 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:16:09,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:09,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:09,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:09,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:10,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:10,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:10,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:10,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:10,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:10,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:10,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:10,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:10,055 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:10,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:10,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:10,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:10,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:10,075 INFO L244 Elim1Store]: Index analysis took 111 ms [2021-06-14 04:16:10,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 117 [2021-06-14 04:16:10,077 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:16:10,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:10,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:10,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:10,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:10,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:10,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:10,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,131 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:10,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:10,132 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:10,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 119 [2021-06-14 04:16:10,135 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:16:10,351 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2021-06-14 04:16:10,351 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:16:10,373 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 3 dim-1 vars, End of recursive call: 10 dim-0 vars, and 5 xjuncts. [2021-06-14 04:16:10,373 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 9 variables, input treesize:1162, output treesize:559 [2021-06-14 04:16:11,965 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 168 [2021-06-14 04:16:14,642 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 162 [2021-06-14 04:16:15,840 WARN L205 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-06-14 04:16:16,383 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-06-14 04:16:16,952 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-06-14 04:16:17,774 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-06-14 04:16:18,433 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-06-14 04:16:19,022 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-06-14 04:16:19,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:19,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:19,165 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 95 treesize of output 63 [2021-06-14 04:16:19,168 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 04:16:19,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:19,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,196 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 97 treesize of output 65 [2021-06-14 04:16:19,199 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 04:16:19,535 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 135 [2021-06-14 04:16:19,536 INFO L628 ElimStorePlain]: treesize reduction 114, result has 76.9 percent of original size [2021-06-14 04:16:19,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:19,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:19,597 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 96 treesize of output 64 [2021-06-14 04:16:19,600 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 04:16:19,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,623 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:19,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,629 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 94 treesize of output 62 [2021-06-14 04:16:19,632 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 04:16:19,729 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:16:19,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:19,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:19,738 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 12 treesize of output 5 [2021-06-14 04:16:19,738 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 04:16:19,745 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:19,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-14 04:16:19,745 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 04:16:19,838 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:16:19,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:19,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 04:16:19,875 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 [2021-06-14 04:16:19,878 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-06-14 04:16:19,955 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:16:19,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:19,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:19,961 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 7 [2021-06-14 04:16:19,961 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 04:16:19,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:19,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-14 04:16:19,967 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 04:16:19,976 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:16:20,047 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:16:20,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:20,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:20,053 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 9 treesize of output 3 [2021-06-14 04:16:20,053 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 04:16:20,058 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 04:16:20,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-14 04:16:20,059 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 04:16:20,119 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 04:16:20,122 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-14 04:16:20,122 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 12 variables, input treesize:661, output treesize:31 [2021-06-14 04:16:20,297 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 04:16:20,297 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639998931] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 04:16:20,297 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 04:16:20,297 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30] total 58 [2021-06-14 04:16:20,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922771092] [2021-06-14 04:16:20,297 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-06-14 04:16:20,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 04:16:20,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-06-14 04:16:20,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=3182, Unknown=0, NotChecked=0, Total=3306 [2021-06-14 04:16:20,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:16:20,298 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 04:16:20,298 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 1.206896551724138) internal successors, (70), 58 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 04:16:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 04:16:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:16:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:16:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 04:16:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:16:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:16:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:16:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 04:16:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 04:16:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:16:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 04:16:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:16:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 04:16:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 04:16:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:16:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 04:16:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:16:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-14 04:16:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 04:16:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:16:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 04:16:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:16:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 04:16:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 04:16:25,254 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 71 [2021-06-14 04:16:26,333 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 88 [2021-06-14 04:16:27,552 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 176 [2021-06-14 04:16:28,999 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 250 [2021-06-14 04:16:30,107 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 177 [2021-06-14 04:16:30,397 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-06-14 04:16:30,598 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1175,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 04:16:30,598 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkValidity(IncrementalHoareTripleChecker.java:676) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ProtectiveHoareTripleChecker.checkInternal(ProtectiveHoareTripleChecker.java:61) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.EfficientHoareTripleChecker.checkInternal(EfficientHoareTripleChecker.java:63) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:159) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:111) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:147) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:192) 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:364) 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) ... 43 more [2021-06-14 04:16:30,602 INFO L168 Benchmark]: Toolchain (without parser) took 328591.08 ms. Allocated memory was 181.4 MB in the beginning and 653.3 MB in the end (delta: 471.9 MB). Free memory was 162.0 MB in the beginning and 171.1 MB in the end (delta: -9.1 MB). Peak memory consumption was 463.7 MB. Max. memory is 8.0 GB. [2021-06-14 04:16:30,602 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 181.4 MB. Free memory is still 163.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 04:16:30,602 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.01 ms. Allocated memory is still 181.4 MB. Free memory was 161.8 MB in the beginning and 160.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-14 04:16:30,602 INFO L168 Benchmark]: Boogie Preprocessor took 21.26 ms. Allocated memory is still 181.4 MB. Free memory was 160.3 MB in the beginning and 159.4 MB in the end (delta: 911.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 04:16:30,602 INFO L168 Benchmark]: RCFGBuilder took 432.40 ms. Allocated memory is still 181.4 MB. Free memory was 159.3 MB in the beginning and 137.6 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-06-14 04:16:30,602 INFO L168 Benchmark]: TraceAbstraction took 328112.08 ms. Allocated memory was 181.4 MB in the beginning and 653.3 MB in the end (delta: 471.9 MB). Free memory was 137.1 MB in the beginning and 171.1 MB in the end (delta: -34.0 MB). Peak memory consumption was 438.5 MB. Max. memory is 8.0 GB. [2021-06-14 04:16:30,602 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 0.10 ms. Allocated memory is still 181.4 MB. Free memory is still 163.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.01 ms. Allocated memory is still 181.4 MB. Free memory was 161.8 MB in the beginning and 160.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 21.26 ms. Allocated memory is still 181.4 MB. Free memory was 160.3 MB in the beginning and 159.4 MB in the end (delta: 911.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 432.40 ms. Allocated memory is still 181.4 MB. Free memory was 159.3 MB in the beginning and 137.6 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 328112.08 ms. Allocated memory was 181.4 MB in the beginning and 653.3 MB in the end (delta: 471.9 MB). Free memory was 137.1 MB in the beginning and 171.1 MB in the end (delta: -34.0 MB). Peak memory consumption was 438.5 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...