/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-13 22:03:05,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-13 22:03:05,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-13 22:03:05,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-13 22:03:05,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-13 22:03:05,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-13 22:03:05,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-13 22:03:05,625 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-None-NoLbe.epf [2021-07-13 22:03:05,641 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-13 22:03:05,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-13 22:03:05,641 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-13 22:03:05,641 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-13 22:03:05,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-13 22:03:05,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-13 22:03:05,642 INFO L138 SettingsManager]: * Use SBE=true [2021-07-13 22:03:05,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-13 22:03:05,642 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-13 22:03:05,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-13 22:03:05,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-13 22:03:05,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-13 22:03:05,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-13 22:03:05,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-13 22:03:05,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-13 22:03:05,643 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-13 22:03:05,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-13 22:03:05,643 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-13 22:03:05,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-13 22:03:05,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-13 22:03:05,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-13 22:03:05,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-13 22:03:05,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-13 22:03:05,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 22:03:05,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-13 22:03:05,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-13 22:03:05,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-13 22:03:05,644 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-13 22:03:05,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-13 22:03:05,645 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-13 22:03:05,645 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-13 22:03:05,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-13 22:03:05,645 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-13 22:03:05,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-13 22:03:05,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-13 22:03:05,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-13 22:03:05,920 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-13 22:03:05,921 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-13 22:03:05,921 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl [2021-07-13 22:03:05,921 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl' [2021-07-13 22:03:05,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-13 22:03:05,948 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-13 22:03:05,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-13 22:03:05,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-13 22:03:05,948 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-13 22:03:05,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:03:05" (1/1) ... [2021-07-13 22:03:05,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:03:05" (1/1) ... [2021-07-13 22:03:05,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-13 22:03:05,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-13 22:03:05,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-13 22:03:05,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-13 22:03:05,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:03:05" (1/1) ... [2021-07-13 22:03:05,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:03:05" (1/1) ... [2021-07-13 22:03:05,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:03:05" (1/1) ... [2021-07-13 22:03:05,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:03:05" (1/1) ... [2021-07-13 22:03:05,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:03:05" (1/1) ... [2021-07-13 22:03:05,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:03:05" (1/1) ... [2021-07-13 22:03:05,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:03:05" (1/1) ... [2021-07-13 22:03:05,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-13 22:03:05,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-13 22:03:05,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-13 22:03:05,996 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-13 22:03:05,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:03:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 22:03:06,073 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-13 22:03:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-13 22:03:06,073 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-13 22:03:06,073 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-13 22:03:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-13 22:03:06,074 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-13 22:03:06,074 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-13 22:03:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-13 22:03:06,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-13 22:03:06,074 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-13 22:03:06,331 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-13 22:03:06,331 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-13 22:03:06,345 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-13 22:03:06,345 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-13 22:03:06,346 INFO L202 PluginConnector]: Adding new model array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 10:03:06 BoogieIcfgContainer [2021-07-13 22:03:06,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-13 22:03:06,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-13 22:03:06,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-13 22:03:06,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-13 22:03:06,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:03:05" (1/2) ... [2021-07-13 22:03:06,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e83194f and model type array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 10:03:06, skipping insertion in model container [2021-07-13 22:03:06,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 10:03:06" (2/2) ... [2021-07-13 22:03:06,351 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-symm.wvr.bpl [2021-07-13 22:03:06,355 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-13 22:03:06,355 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-13 22:03:06,355 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-13 22:03:06,356 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-13 22:03:06,373 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-13 22:03:06,388 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-13 22:03:06,455 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-13 22:03:06,455 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-13 22:03:06,455 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-13 22:03:06,455 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-13 22:03:06,455 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-13 22:03:06,455 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-13 22:03:06,455 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-13 22:03:06,455 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-13 22:03:06,463 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 16 transitions, 48 flow [2021-07-13 22:03:06,471 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 19 states, 18 states have (on average 1.8888888888888888) internal successors, (34), 18 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:06,481 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:06,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:06,486 INFO L82 PathProgramCache]: Analyzing trace with hash -580385302, now seen corresponding path program 1 times [2021-07-13 22:03:06,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:06,492 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057215394] [2021-07-13 22:03:06,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:06,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:06,665 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:06,665 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057215394] [2021-07-13 22:03:06,665 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057215394] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 22:03:06,665 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 22:03:06,666 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-13 22:03:06,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441801249] [2021-07-13 22:03:06,677 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-13 22:03:06,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:06,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-13 22:03:06,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-13 22:03:06,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:06,686 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:06,686 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:06,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:06,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:06,731 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-13 22:03:06,731 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:06,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:06,735 INFO L82 PathProgramCache]: Analyzing trace with hash -845334464, now seen corresponding path program 1 times [2021-07-13 22:03:06,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:06,735 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717584839] [2021-07-13 22:03:06,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:06,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:06,799 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:06,799 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717584839] [2021-07-13 22:03:06,800 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717584839] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 22:03:06,800 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 22:03:06,800 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-13 22:03:06,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934935736] [2021-07-13 22:03:06,802 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-13 22:03:06,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:06,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-13 22:03:06,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-13 22:03:06,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:06,804 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:06,804 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:06,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:06,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:06,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:06,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:06,877 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-13 22:03:06,877 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:06,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:06,877 INFO L82 PathProgramCache]: Analyzing trace with hash -906160642, now seen corresponding path program 1 times [2021-07-13 22:03:06,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:06,878 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109016909] [2021-07-13 22:03:06,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:06,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:06,933 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:06,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109016909] [2021-07-13 22:03:06,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109016909] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:06,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400342915] [2021-07-13 22:03:06,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:06,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-13 22:03:06,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:03:07,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:07,076 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400342915] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:07,077 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:03:07,077 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-13 22:03:07,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799840725] [2021-07-13 22:03:07,078 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-13 22:03:07,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:07,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-13 22:03:07,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-13 22:03:07,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:07,079 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:07,079 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:07,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:07,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:07,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:07,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:07,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:07,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:07,335 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:07,336 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:07,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:07,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1940531884, now seen corresponding path program 1 times [2021-07-13 22:03:07,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:07,337 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471720101] [2021-07-13 22:03:07,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:07,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:07,676 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:07,676 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471720101] [2021-07-13 22:03:07,676 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471720101] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:07,676 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128387208] [2021-07-13 22:03:07,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:07,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 22:03:07,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:03:08,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:08,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:08,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-13 22:03:08,083 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:08,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:08,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-13 22:03:08,089 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:08,102 INFO L628 ElimStorePlain]: treesize reduction 79, result has 12.2 percent of original size [2021-07-13 22:03:08,102 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:03:08,103 INFO L518 ElimStorePlain]: Eliminatee v_prenex_3 vanished before elimination [2021-07-13 22:03:08,103 INFO L518 ElimStorePlain]: Eliminatee v_prenex_4 vanished before elimination [2021-07-13 22:03:08,103 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:03:08,104 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:107, output treesize:11 [2021-07-13 22:03:08,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:08,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128387208] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:08,136 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:03:08,136 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-07-13 22:03:08,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908083026] [2021-07-13 22:03:08,137 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-13 22:03:08,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:08,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-13 22:03:08,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-07-13 22:03:08,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:08,138 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:08,138 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:08,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:08,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:08,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:08,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:08,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:08,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:08,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:08,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:08,520 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:08,521 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:08,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:08,521 INFO L82 PathProgramCache]: Analyzing trace with hash -6313026, now seen corresponding path program 2 times [2021-07-13 22:03:08,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:08,522 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714282483] [2021-07-13 22:03:08,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:08,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:08,600 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:08,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714282483] [2021-07-13 22:03:08,600 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714282483] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:08,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556302511] [2021-07-13 22:03:08,600 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:08,630 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 22:03:08,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:03:08,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-13 22:03:08,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:03:08,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:08,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-13 22:03:08,735 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:08,738 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 22:03:08,739 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:08,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:08,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:03:08,763 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:08,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:03:08,767 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:08,768 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 22:03:08,769 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:08,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:03:08,772 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:08,792 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-13 22:03:08,792 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:03:08,793 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-13 22:03:08,793 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-13 22:03:08,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:08,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556302511] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:08,823 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:03:08,823 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-13 22:03:08,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355690728] [2021-07-13 22:03:08,823 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-13 22:03:08,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:08,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-13 22:03:08,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-13 22:03:08,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:08,824 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:08,824 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:08,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:08,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:08,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:08,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:08,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:08,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:08,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:08,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:08,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:08,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:09,189 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:09,189 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:09,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:09,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1891924544, now seen corresponding path program 3 times [2021-07-13 22:03:09,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:09,190 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351835118] [2021-07-13 22:03:09,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:09,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:09,269 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:09,269 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351835118] [2021-07-13 22:03:09,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351835118] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:09,272 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124657740] [2021-07-13 22:03:09,272 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:09,301 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-13 22:03:09,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:03:09,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-13 22:03:09,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:03:09,372 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:09,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-13 22:03:09,373 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:09,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:03:09,377 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:09,393 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-13 22:03:09,393 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:03:09,394 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:03:09,395 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-13 22:03:09,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:09,414 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124657740] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:09,414 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:03:09,416 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-13 22:03:09,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807886717] [2021-07-13 22:03:09,417 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-13 22:03:09,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:09,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-13 22:03:09,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-13 22:03:09,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:09,418 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:09,418 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:09,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:09,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:09,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:09,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:09,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:09,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:09,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:09,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:09,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:09,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:09,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:09,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:09,734 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-07-13 22:03:09,734 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:09,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:09,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1446621994, now seen corresponding path program 4 times [2021-07-13 22:03:09,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:09,735 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977725974] [2021-07-13 22:03:09,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:10,174 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:10,174 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:10,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977725974] [2021-07-13 22:03:10,175 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977725974] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:10,175 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98699956] [2021-07-13 22:03:10,175 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:10,204 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 22:03:10,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:03:10,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-13 22:03:10,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:03:10,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:10,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:10,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:10,588 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 36 treesize of output 26 [2021-07-13 22:03:10,590 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:10,605 INFO L628 ElimStorePlain]: treesize reduction 111, result has 9.0 percent of original size [2021-07-13 22:03:10,605 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-13 22:03:10,605 INFO L518 ElimStorePlain]: Eliminatee v_prenex_10 vanished before elimination [2021-07-13 22:03:10,605 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:03:10,606 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:03:10,606 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:140, output treesize:11 [2021-07-13 22:03:10,630 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:10,630 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98699956] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:10,630 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:03:10,630 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2021-07-13 22:03:10,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856994037] [2021-07-13 22:03:10,630 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-13 22:03:10,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:10,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-13 22:03:10,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-07-13 22:03:10,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:10,631 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:10,631 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:10,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:10,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:10,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:10,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:10,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:10,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:10,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:11,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:11,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:11,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:11,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:11,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:11,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:11,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:11,314 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:11,314 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:11,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:11,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1862349568, now seen corresponding path program 5 times [2021-07-13 22:03:11,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:11,315 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855364500] [2021-07-13 22:03:11,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:11,407 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:11,407 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:11,407 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855364500] [2021-07-13 22:03:11,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855364500] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:11,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083900924] [2021-07-13 22:03:11,408 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:11,437 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-13 22:03:11,437 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:03:11,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-13 22:03:11,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:03:11,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-13 22:03:11,538 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:11,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:11,541 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 17 treesize of output 13 [2021-07-13 22:03:11,542 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:11,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:03:11,545 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:11,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:11,548 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 [2021-07-13 22:03:11,549 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:11,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:03:11,552 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:11,554 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 22:03:11,554 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:11,577 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-13 22:03:11,578 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:03:11,579 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-13 22:03:11,579 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-13 22:03:11,605 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:11,606 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083900924] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:11,606 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:03:11,606 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-07-13 22:03:11,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130991227] [2021-07-13 22:03:11,606 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-13 22:03:11,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:11,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-13 22:03:11,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-13 22:03:11,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:11,607 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:11,607 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:11,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:11,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:11,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:11,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:11,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:11,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:11,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:11,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:11,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:11,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:11,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:11,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:11,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:11,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:11,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:11,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:12,055 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-07-13 22:03:12,056 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:12,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:12,056 INFO L82 PathProgramCache]: Analyzing trace with hash -757032642, now seen corresponding path program 6 times [2021-07-13 22:03:12,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:12,056 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10008708] [2021-07-13 22:03:12,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:12,153 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:12,154 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:12,154 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10008708] [2021-07-13 22:03:12,154 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10008708] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:12,154 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058240028] [2021-07-13 22:03:12,154 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:12,197 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-13 22:03:12,197 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:03:12,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-13 22:03:12,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:03:12,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:12,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-13 22:03:12,282 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:12,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:03:12,284 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:12,298 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-13 22:03:12,299 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:03:12,299 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:03:12,299 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-13 22:03:12,317 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:12,318 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058240028] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:12,318 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:03:12,318 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-07-13 22:03:12,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154920494] [2021-07-13 22:03:12,318 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-13 22:03:12,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:12,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-13 22:03:12,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-13 22:03:12,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:12,319 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:12,319 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:12,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:12,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:12,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:12,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:12,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:12,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:12,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:12,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:12,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:12,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:12,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:12,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:12,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:12,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:12,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:12,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:12,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:12,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:12,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-07-13 22:03:12,653 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:12,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:12,653 INFO L82 PathProgramCache]: Analyzing trace with hash -2026434708, now seen corresponding path program 7 times [2021-07-13 22:03:12,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:12,654 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556519550] [2021-07-13 22:03:12,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:13,074 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2021-07-13 22:03:13,310 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:13,310 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:13,310 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556519550] [2021-07-13 22:03:13,310 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556519550] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:13,310 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871504799] [2021-07-13 22:03:13,311 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:13,340 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-13 22:03:13,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:03:13,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:13,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:13,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:13,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:13,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:13,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:13,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-07-13 22:03:13,947 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:13,966 INFO L628 ElimStorePlain]: treesize reduction 133, result has 7.6 percent of original size [2021-07-13 22:03:13,966 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:03:13,966 INFO L518 ElimStorePlain]: Eliminatee v_prenex_16 vanished before elimination [2021-07-13 22:03:13,971 INFO L518 ElimStorePlain]: Eliminatee v_prenex_15 vanished before elimination [2021-07-13 22:03:13,972 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:03:13,972 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:173, output treesize:11 [2021-07-13 22:03:14,006 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:14,006 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871504799] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:14,006 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:03:14,006 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-07-13 22:03:14,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519770289] [2021-07-13 22:03:14,007 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-13 22:03:14,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:14,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-13 22:03:14,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-07-13 22:03:14,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:14,007 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:14,007 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 18 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:14,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:14,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:14,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:14,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:14,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:14,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:14,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:14,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:14,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:14,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:14,603 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-07-13 22:03:14,819 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 83 [2021-07-13 22:03:15,037 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 86 [2021-07-13 22:03:15,432 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 98 [2021-07-13 22:03:15,598 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-07-13 22:03:15,984 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 100 [2021-07-13 22:03:16,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:16,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:16,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:16,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:16,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:16,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:16,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:16,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:16,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:16,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:16,372 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:16,373 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:16,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:16,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1571774206, now seen corresponding path program 8 times [2021-07-13 22:03:16,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:16,373 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291733901] [2021-07-13 22:03:16,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:16,477 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:16,477 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:16,477 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291733901] [2021-07-13 22:03:16,477 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291733901] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:16,477 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43324766] [2021-07-13 22:03:16,478 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:16,506 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 22:03:16,507 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:03:16,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-13 22:03:16,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:03:16,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:03:16,638 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:16,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:16,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-13 22:03:16,642 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:16,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:03:16,646 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:16,648 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 22:03:16,649 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:16,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:16,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:03:16,653 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:16,655 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 22:03:16,656 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:16,679 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-13 22:03:16,680 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:03:16,680 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-13 22:03:16,680 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-13 22:03:16,710 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:16,710 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [43324766] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:16,710 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:03:16,710 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-07-13 22:03:16,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518692517] [2021-07-13 22:03:16,711 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-13 22:03:16,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:16,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-13 22:03:16,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-13 22:03:16,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:16,711 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:16,711 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:16,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:16,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:16,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:16,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:16,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:16,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:16,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:16,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:16,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:16,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:16,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:17,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:17,216 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-07-13 22:03:17,216 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:17,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:17,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1975304320, now seen corresponding path program 9 times [2021-07-13 22:03:17,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:17,217 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958012713] [2021-07-13 22:03:17,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:17,320 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:17,320 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:17,320 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958012713] [2021-07-13 22:03:17,320 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958012713] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:17,320 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462055300] [2021-07-13 22:03:17,320 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:17,348 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-13 22:03:17,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:03:17,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-13 22:03:17,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:03:17,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:17,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-13 22:03:17,455 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:17,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:03:17,458 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:17,472 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-13 22:03:17,472 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:03:17,473 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:03:17,473 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-13 22:03:17,492 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:17,493 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462055300] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:17,493 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:03:17,493 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-07-13 22:03:17,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329757459] [2021-07-13 22:03:17,493 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-13 22:03:17,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:17,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-13 22:03:17,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-13 22:03:17,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:17,494 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:17,494 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:17,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:17,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:17,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:17,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:17,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:17,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:17,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:17,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:17,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:17,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:17,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:17,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:17,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:17,832 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2021-07-13 22:03:17,834 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:17,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:17,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1071632490, now seen corresponding path program 10 times [2021-07-13 22:03:17,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:17,835 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764712652] [2021-07-13 22:03:17,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:18,503 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:18,503 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:18,503 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764712652] [2021-07-13 22:03:18,503 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764712652] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:18,503 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631814380] [2021-07-13 22:03:18,503 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:18,532 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 22:03:18,532 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:03:18,533 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 53 conjunts are in the unsatisfiable core [2021-07-13 22:03:18,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:03:19,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:19,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:19,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:19,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:19,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:19,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:19,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:19,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:19,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:19,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:19,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:19,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-07-13 22:03:19,402 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:19,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:19,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:19,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:19,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:19,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:19,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:19,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:19,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:19,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:19,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:19,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-07-13 22:03:19,414 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:19,463 INFO L628 ElimStorePlain]: treesize reduction 91, result has 47.4 percent of original size [2021-07-13 22:03:19,463 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:03:19,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:19,466 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:19,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:19,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:19,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:19,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:19,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:19,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-07-13 22:03:19,473 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:19,484 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:03:19,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:19,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-07-13 22:03:19,488 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:19,498 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:03:19,499 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-13 22:03:19,499 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:257, output treesize:22 [2021-07-13 22:03:19,546 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:19,547 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631814380] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:19,547 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:03:19,547 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 23 [2021-07-13 22:03:19,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921539156] [2021-07-13 22:03:19,547 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-13 22:03:19,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:19,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-13 22:03:19,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=458, Unknown=0, NotChecked=0, Total=506 [2021-07-13 22:03:19,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:19,548 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:19,548 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:20,201 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2021-07-13 22:03:20,452 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 92 [2021-07-13 22:03:20,732 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 113 [2021-07-13 22:03:20,996 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 112 [2021-07-13 22:03:21,289 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 118 [2021-07-13 22:03:21,475 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 74 [2021-07-13 22:03:21,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:21,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:21,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:21,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:21,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:21,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:21,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:21,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:21,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:21,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:21,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:21,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:21,742 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2021-07-13 22:03:21,742 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:21,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:21,743 INFO L82 PathProgramCache]: Analyzing trace with hash -1172390464, now seen corresponding path program 11 times [2021-07-13 22:03:21,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:21,743 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592080796] [2021-07-13 22:03:21,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:21,868 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:21,868 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:21,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592080796] [2021-07-13 22:03:21,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592080796] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:21,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001504409] [2021-07-13 22:03:21,869 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:21,917 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-13 22:03:21,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:03:21,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-13 22:03:21,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:03:22,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-13 22:03:22,108 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:22,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:03:22,112 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:22,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:03:22,115 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:22,118 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 8 treesize of output 6 [2021-07-13 22:03:22,119 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:22,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:22,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:03:22,124 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:22,126 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 [2021-07-13 22:03:22,128 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:22,157 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-13 22:03:22,158 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:03:22,158 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-13 22:03:22,158 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-13 22:03:22,205 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:22,205 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001504409] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:22,205 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:03:22,205 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-07-13 22:03:22,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653423323] [2021-07-13 22:03:22,206 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-13 22:03:22,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:22,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-13 22:03:22,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-13 22:03:22,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:22,206 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:22,206 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:22,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:22,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:22,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:22,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:22,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:22,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:22,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:22,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:22,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:22,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:22,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:22,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:22,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:22,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:22,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:22,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:22,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:22,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:22,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:22,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:22,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:22,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:22,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:22,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:22,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:22,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:22,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:22,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:22,846 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2021-07-13 22:03:22,847 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:22,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:22,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1547858818, now seen corresponding path program 12 times [2021-07-13 22:03:22,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:22,847 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702058447] [2021-07-13 22:03:22,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:22,963 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:22,963 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:22,964 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702058447] [2021-07-13 22:03:22,964 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702058447] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:22,964 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644921659] [2021-07-13 22:03:22,964 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:23,004 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-13 22:03:23,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:03:23,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-13 22:03:23,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:03:23,133 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:23,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-13 22:03:23,134 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:23,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:03:23,137 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:23,150 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-13 22:03:23,150 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:03:23,151 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:03:23,151 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-13 22:03:23,171 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:23,171 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644921659] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:23,172 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:03:23,172 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-07-13 22:03:23,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933508539] [2021-07-13 22:03:23,172 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-13 22:03:23,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:23,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-13 22:03:23,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-13 22:03:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:23,173 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:23,173 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:23,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:23,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:23,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:23,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:23,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:23,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:23,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:23,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:23,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:23,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:23,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:23,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:23,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:23,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:23,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:23,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:23,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:23,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:23,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:23,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:23,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:23,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:23,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:23,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:23,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:23,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:23,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:23,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:23,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:23,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:03:23,588 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:23,589 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:23,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:23,589 INFO L82 PathProgramCache]: Analyzing trace with hash -772242388, now seen corresponding path program 13 times [2021-07-13 22:03:23,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:23,589 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916728557] [2021-07-13 22:03:23,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:24,198 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:24,198 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:24,198 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916728557] [2021-07-13 22:03:24,198 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916728557] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:24,198 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450524124] [2021-07-13 22:03:24,199 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:24,231 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 65 conjunts are in the unsatisfiable core [2021-07-13 22:03:24,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:03:25,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:25,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:25,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:25,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:25,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:25,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:25,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:25,326 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:25,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:25,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:25,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:25,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:25,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:25,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 49 [2021-07-13 22:03:25,339 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:25,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:25,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:25,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:25,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:25,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:25,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:25,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:25,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:25,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:25,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:25,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:25,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:25,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-07-13 22:03:25,352 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:25,379 INFO L628 ElimStorePlain]: treesize reduction 117, result has 8.6 percent of original size [2021-07-13 22:03:25,379 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:03:25,379 INFO L518 ElimStorePlain]: Eliminatee v_prenex_34 vanished before elimination [2021-07-13 22:03:25,379 INFO L518 ElimStorePlain]: Eliminatee v_prenex_33 vanished before elimination [2021-07-13 22:03:25,380 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:03:25,380 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:239, output treesize:11 [2021-07-13 22:03:25,413 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:25,414 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450524124] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:25,414 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:03:25,414 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2021-07-13 22:03:25,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552310244] [2021-07-13 22:03:25,414 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-13 22:03:25,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:25,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-13 22:03:25,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-07-13 22:03:25,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:25,415 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:25,415 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 26 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:25,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:25,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:25,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:25,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:25,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:25,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:25,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:25,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:25,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:25,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:25,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:25,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:25,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:25,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:25,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:03:25,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:26,142 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2021-07-13 22:03:26,339 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2021-07-13 22:03:26,536 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2021-07-13 22:03:26,728 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 87 [2021-07-13 22:03:26,913 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 108 [2021-07-13 22:03:27,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:03:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:27,284 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:27,284 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:27,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:27,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1797030462, now seen corresponding path program 14 times [2021-07-13 22:03:27,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:27,285 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725642629] [2021-07-13 22:03:27,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:27,441 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:27,441 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:27,442 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725642629] [2021-07-13 22:03:27,442 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725642629] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:27,442 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232362035] [2021-07-13 22:03:27,442 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:27,483 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 22:03:27,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:03:27,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-13 22:03:27,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:03:27,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-13 22:03:27,674 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:27,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-13 22:03:27,677 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:27,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:03:27,680 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:27,682 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:27,683 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 17 treesize of output 13 [2021-07-13 22:03:27,684 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:27,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:27,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:03:27,687 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:27,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:03:27,690 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:27,714 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-13 22:03:27,715 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:03:27,715 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-13 22:03:27,715 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-13 22:03:27,775 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:27,776 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232362035] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:27,776 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:03:27,776 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-07-13 22:03:27,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354299310] [2021-07-13 22:03:27,776 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-13 22:03:27,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:27,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-13 22:03:27,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-13 22:03:27,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:27,777 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:27,778 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:27,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:27,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:27,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:27,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:27,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:27,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:27,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:27,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:27,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:27,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:27,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:27,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:27,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:27,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:27,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:03:27,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:27,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:03:28,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:28,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:03:28,525 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2021-07-13 22:03:28,525 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:28,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:28,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1252553920, now seen corresponding path program 15 times [2021-07-13 22:03:28,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:28,526 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330765027] [2021-07-13 22:03:28,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:28,687 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:28,688 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:28,688 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330765027] [2021-07-13 22:03:28,688 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330765027] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:28,688 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638735301] [2021-07-13 22:03:28,688 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:28,726 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-13 22:03:28,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:03:28,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-13 22:03:28,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:03:28,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:28,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-13 22:03:28,905 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:28,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:03:28,908 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:28,923 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-13 22:03:28,923 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:03:28,924 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:03:28,924 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-13 22:03:28,949 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:28,949 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638735301] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:28,949 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:03:28,949 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-07-13 22:03:28,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112191303] [2021-07-13 22:03:28,950 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-13 22:03:28,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:28,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-13 22:03:28,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-13 22:03:28,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:28,951 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:28,951 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:28,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:28,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:28,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:28,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:28,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:28,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:28,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:28,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:28,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:28,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:28,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:28,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:28,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:28,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:28,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:03:28,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:28,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:03:28,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:29,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:29,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:29,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:29,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:29,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:29,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:29,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:29,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:29,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:29,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:29,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:29,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:29,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:29,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:29,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:03:29,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:29,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:03:29,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:29,448 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:29,449 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:29,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:29,449 INFO L82 PathProgramCache]: Analyzing trace with hash -207725142, now seen corresponding path program 16 times [2021-07-13 22:03:29,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:29,449 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926352993] [2021-07-13 22:03:29,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:30,014 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:30,015 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:30,015 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926352993] [2021-07-13 22:03:30,015 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926352993] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:30,015 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522364374] [2021-07-13 22:03:30,015 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:30,048 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 22:03:30,048 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:03:30,050 WARN L261 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 77 conjunts are in the unsatisfiable core [2021-07-13 22:03:30,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:03:31,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:31,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:31,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-07-13 22:03:31,534 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:31,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:31,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:31,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 56 [2021-07-13 22:03:31,552 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:31,565 INFO L628 ElimStorePlain]: treesize reduction 132, result has 7.7 percent of original size [2021-07-13 22:03:31,565 INFO L518 ElimStorePlain]: Eliminatee v_prenex_43 vanished before elimination [2021-07-13 22:03:31,565 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:03:31,565 INFO L518 ElimStorePlain]: Eliminatee v_prenex_44 vanished before elimination [2021-07-13 22:03:31,565 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:03:31,565 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:272, output treesize:11 [2021-07-13 22:03:31,574 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:31,574 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522364374] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:31,575 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:03:31,575 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 29 [2021-07-13 22:03:31,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024646386] [2021-07-13 22:03:31,575 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-13 22:03:31,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:31,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-13 22:03:31,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2021-07-13 22:03:31,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:31,576 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:31,576 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:31,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:31,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:31,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:31,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:31,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:31,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:31,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:31,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:31,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:31,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:31,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:31,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:31,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:31,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:31,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:03:31,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:31,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:03:31,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:31,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:32,510 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 60 [2021-07-13 22:03:32,698 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2021-07-13 22:03:32,913 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 94 [2021-07-13 22:03:33,148 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 94 [2021-07-13 22:03:33,373 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 94 [2021-07-13 22:03:33,606 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 94 [2021-07-13 22:03:33,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:33,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:33,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:33,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:33,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:33,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:33,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:33,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:33,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:33,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:33,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:33,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:33,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:33,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:33,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:03:33,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:33,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:03:33,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:33,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:03:34,014 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable122 [2021-07-13 22:03:34,014 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:34,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:34,014 INFO L82 PathProgramCache]: Analyzing trace with hash 2117195904, now seen corresponding path program 17 times [2021-07-13 22:03:34,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:34,014 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987468755] [2021-07-13 22:03:34,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:34,187 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:34,188 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:34,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987468755] [2021-07-13 22:03:34,188 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987468755] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:34,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082922279] [2021-07-13 22:03:34,188 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:34,222 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-13 22:03:34,223 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:03:34,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-13 22:03:34,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:03:34,448 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:34,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-13 22:03:34,449 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:34,452 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 7 treesize of output 5 [2021-07-13 22:03:34,453 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:34,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:34,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:03:34,456 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:34,458 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 22:03:34,458 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:34,460 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 22:03:34,460 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:34,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:03:34,463 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:34,499 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-13 22:03:34,499 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:03:34,500 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-13 22:03:34,500 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-13 22:03:34,540 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:34,540 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082922279] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:34,540 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:03:34,540 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-07-13 22:03:34,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101147627] [2021-07-13 22:03:34,541 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-13 22:03:34,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:34,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-13 22:03:34,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-13 22:03:34,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:34,542 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:34,542 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:34,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:34,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:34,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:34,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:34,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:34,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:34,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:34,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:34,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:34,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:34,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:34,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:34,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:34,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:34,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:03:34,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:34,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:03:34,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:34,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:03:34,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:35,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:35,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:35,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:35,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:35,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:35,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:35,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:35,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:35,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:35,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:35,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:35,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:35,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:35,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:35,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:03:35,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:35,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:03:35,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:35,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:03:35,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:03:35,400 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable145 [2021-07-13 22:03:35,400 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:35,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:35,401 INFO L82 PathProgramCache]: Analyzing trace with hash 2069360574, now seen corresponding path program 18 times [2021-07-13 22:03:35,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:35,401 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102487288] [2021-07-13 22:03:35,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:35,605 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:35,605 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:35,605 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102487288] [2021-07-13 22:03:35,605 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102487288] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:35,605 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593606148] [2021-07-13 22:03:35,605 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:35,643 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-13 22:03:35,643 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:03:35,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-13 22:03:35,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:03:35,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:35,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:03:35,830 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:35,832 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 15 treesize of output 11 [2021-07-13 22:03:35,833 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:35,849 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-13 22:03:35,849 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:03:35,850 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:03:35,850 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-13 22:03:35,880 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:35,880 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [593606148] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:35,881 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:03:35,881 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-07-13 22:03:35,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252682064] [2021-07-13 22:03:35,881 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-13 22:03:35,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:35,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-13 22:03:35,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-13 22:03:35,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:35,882 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:35,882 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:35,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:35,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:35,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:35,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:35,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:35,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:35,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:35,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:35,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:35,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:35,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:35,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:35,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:35,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:35,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:03:35,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:35,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:03:35,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:35,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:03:35,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:03:35,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:36,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:36,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:36,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:36,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:36,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:36,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:36,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:36,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:36,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:36,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:03:36,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:36,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:03:36,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:36,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:03:36,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:03:36,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:03:36,468 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:36,469 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:36,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:36,469 INFO L82 PathProgramCache]: Analyzing trace with hash -307590932, now seen corresponding path program 19 times [2021-07-13 22:03:36,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:36,469 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103011430] [2021-07-13 22:03:36,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:37,095 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:37,095 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:37,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103011430] [2021-07-13 22:03:37,096 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103011430] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:37,096 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218290743] [2021-07-13 22:03:37,096 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:37,131 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 89 conjunts are in the unsatisfiable core [2021-07-13 22:03:37,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:03:38,024 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2021-07-13 22:03:38,231 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2021-07-13 22:03:38,661 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 90 [2021-07-13 22:03:39,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:39,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:39,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:39,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:39,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:39,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:39,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:39,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:39,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:39,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:39,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:39,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:39,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:39,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:39,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:39,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:39,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:39,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:39,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:39,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:39,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:39,158 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:39,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:39,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:39,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:39,161 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 91 treesize of output 61 [2021-07-13 22:03:39,163 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:39,185 INFO L628 ElimStorePlain]: treesize reduction 221, result has 4.7 percent of original size [2021-07-13 22:03:39,185 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:03:39,185 INFO L518 ElimStorePlain]: Eliminatee v_prenex_56 vanished before elimination [2021-07-13 22:03:39,185 INFO L518 ElimStorePlain]: Eliminatee v_prenex_55 vanished before elimination [2021-07-13 22:03:39,186 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:03:39,186 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:305, output treesize:11 [2021-07-13 22:03:39,235 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:39,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218290743] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:39,235 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:03:39,235 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 34 [2021-07-13 22:03:39,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225210334] [2021-07-13 22:03:39,236 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-13 22:03:39,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:39,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-13 22:03:39,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1041, Unknown=0, NotChecked=0, Total=1122 [2021-07-13 22:03:39,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:39,236 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:39,237 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 34 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:39,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:39,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:39,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:39,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:39,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:39,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:39,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:39,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:39,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:39,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:39,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:39,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:39,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:39,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:39,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:03:39,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:39,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:03:39,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:39,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:03:39,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:03:39,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:03:39,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:40,261 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2021-07-13 22:03:40,489 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2021-07-13 22:03:40,747 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2021-07-13 22:03:40,985 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 113 [2021-07-13 22:03:41,238 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 113 [2021-07-13 22:03:41,521 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 110 [2021-07-13 22:03:41,795 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 110 [2021-07-13 22:03:42,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:03:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:03:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:03:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:03:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:03:42,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:03:42,245 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:42,245 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:42,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:42,245 INFO L82 PathProgramCache]: Analyzing trace with hash -978643586, now seen corresponding path program 20 times [2021-07-13 22:03:42,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:42,245 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138719240] [2021-07-13 22:03:42,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:42,484 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:42,484 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:42,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138719240] [2021-07-13 22:03:42,484 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138719240] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:42,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633262533] [2021-07-13 22:03:42,484 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:42,519 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 22:03:42,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:03:42,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-13 22:03:42,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:03:42,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:03:42,782 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:42,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:42,784 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 17 treesize of output 13 [2021-07-13 22:03:42,785 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:42,787 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 22:03:42,788 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:42,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:03:42,791 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:42,792 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 22:03:42,793 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:42,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:03:42,796 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:42,816 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-13 22:03:42,816 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:03:42,821 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-13 22:03:42,821 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-13 22:03:42,857 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:42,857 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633262533] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:42,858 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:03:42,858 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-07-13 22:03:42,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308325485] [2021-07-13 22:03:42,858 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-13 22:03:42,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:42,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-13 22:03:42,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-07-13 22:03:42,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:42,859 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:42,859 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:42,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:42,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:42,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:42,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:42,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:42,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:42,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:42,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:42,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:42,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:42,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:42,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:42,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:42,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:42,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:03:42,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:42,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:03:42,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:42,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:03:42,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:03:42,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:03:42,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:03:42,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:43,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:03:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:03:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:03:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:03:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:03:43,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:03:43,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:03:43,848 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:43,849 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:43,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:43,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1833428480, now seen corresponding path program 21 times [2021-07-13 22:03:43,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:43,849 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78996966] [2021-07-13 22:03:43,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:44,081 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:44,081 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:44,081 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78996966] [2021-07-13 22:03:44,081 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78996966] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:44,081 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329287946] [2021-07-13 22:03:44,081 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:44,122 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-13 22:03:44,122 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:03:44,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-13 22:03:44,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:03:44,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:44,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-13 22:03:44,367 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:44,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:03:44,370 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:44,384 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-13 22:03:44,384 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:03:44,385 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:03:44,385 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-13 22:03:44,413 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:44,413 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329287946] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:44,413 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:03:44,413 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-07-13 22:03:44,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38954545] [2021-07-13 22:03:44,413 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-13 22:03:44,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:44,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-13 22:03:44,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-07-13 22:03:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:44,414 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:44,414 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:44,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:44,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:44,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:44,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:44,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:44,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:44,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:44,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:44,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:44,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:44,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:44,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:44,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:44,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:44,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:03:44,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:44,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:03:44,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:44,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:03:44,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:03:44,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:03:44,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:03:44,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:03:44,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:44,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:44,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:03:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:03:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:03:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:03:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:03:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:03:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:03:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:45,038 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:45,038 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:45,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:45,039 INFO L82 PathProgramCache]: Analyzing trace with hash 968448746, now seen corresponding path program 22 times [2021-07-13 22:03:45,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:45,039 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59623861] [2021-07-13 22:03:45,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:45,743 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:45,743 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:45,743 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59623861] [2021-07-13 22:03:45,743 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59623861] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:45,743 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818598390] [2021-07-13 22:03:45,743 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:45,782 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 22:03:45,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:03:45,784 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2021-07-13 22:03:45,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:03:46,900 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-13 22:03:47,120 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-13 22:03:47,368 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-13 22:03:47,571 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-13 22:03:47,784 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-13 22:03:48,002 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-13 22:03:48,241 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-13 22:03:48,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:48,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:48,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 70 [2021-07-13 22:03:48,364 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:48,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:48,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:48,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-07-13 22:03:48,396 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:48,412 INFO L628 ElimStorePlain]: treesize reduction 156, result has 6.6 percent of original size [2021-07-13 22:03:48,412 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:03:48,413 INFO L518 ElimStorePlain]: Eliminatee v_prenex_64 vanished before elimination [2021-07-13 22:03:48,413 INFO L518 ElimStorePlain]: Eliminatee v_prenex_63 vanished before elimination [2021-07-13 22:03:48,413 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:03:48,413 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:338, output treesize:11 [2021-07-13 22:03:48,426 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:48,426 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818598390] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:48,427 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:03:48,427 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 37 [2021-07-13 22:03:48,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533101603] [2021-07-13 22:03:48,427 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-13 22:03:48,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:48,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-13 22:03:48,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1244, Unknown=0, NotChecked=0, Total=1332 [2021-07-13 22:03:48,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:48,428 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:48,428 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:48,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:48,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:48,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:48,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:48,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:48,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:48,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:48,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:48,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:48,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:48,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:48,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:48,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:48,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:48,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:03:48,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:48,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:03:48,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:48,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:03:48,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:03:48,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:03:48,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:03:48,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:03:48,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:48,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:49,737 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 105 [2021-07-13 22:03:49,959 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-13 22:03:50,191 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-13 22:03:50,446 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-13 22:03:50,744 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2021-07-13 22:03:50,981 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-13 22:03:51,226 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-13 22:03:51,459 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 114 [2021-07-13 22:03:51,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:51,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:51,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:51,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:51,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:51,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:51,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:51,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:51,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:51,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:51,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:51,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:51,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:51,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:51,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:03:51,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:51,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:03:51,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:51,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:03:51,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:03:51,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:03:51,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:03:51,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:03:51,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:51,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:03:51,917 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:51,917 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:51,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:51,917 INFO L82 PathProgramCache]: Analyzing trace with hash -76119232, now seen corresponding path program 23 times [2021-07-13 22:03:51,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:51,918 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786906780] [2021-07-13 22:03:51,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:52,177 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:52,178 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:52,178 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786906780] [2021-07-13 22:03:52,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786906780] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:52,178 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162286500] [2021-07-13 22:03:52,178 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:52,219 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-13 22:03:52,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:03:52,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-13 22:03:52,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:03:52,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-13 22:03:52,524 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:52,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-13 22:03:52,528 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:52,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:52,531 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 16 treesize of output 12 [2021-07-13 22:03:52,532 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:52,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:52,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-13 22:03:52,536 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:52,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:03:52,539 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:52,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:03:52,550 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:52,579 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-13 22:03:52,579 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:03:52,579 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-13 22:03:52,579 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-13 22:03:52,623 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:52,624 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162286500] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:52,624 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:03:52,624 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-07-13 22:03:52,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504955093] [2021-07-13 22:03:52,624 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-13 22:03:52,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:52,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-13 22:03:52,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-07-13 22:03:52,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:52,625 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:52,625 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:52,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:52,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:52,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:52,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:52,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:52,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:52,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:52,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:52,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:52,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:52,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:52,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:52,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:52,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:52,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:03:52,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:52,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:03:52,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:52,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:03:52,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:03:52,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:03:52,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:03:52,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:03:52,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:52,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:03:52,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:53,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:53,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:53,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:53,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:53,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:53,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:53,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:53,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:53,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:53,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:53,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:53,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:03:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:03:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:03:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:03:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:03:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:03:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:03:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:03:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:03:53,784 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable217 [2021-07-13 22:03:53,784 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:53,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:53,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1198768894, now seen corresponding path program 24 times [2021-07-13 22:03:53,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:53,784 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076819066] [2021-07-13 22:03:53,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:54,067 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:54,067 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:54,067 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076819066] [2021-07-13 22:03:54,067 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076819066] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:54,067 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427040313] [2021-07-13 22:03:54,067 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:54,110 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-13 22:03:54,110 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:03:54,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-13 22:03:54,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:03:54,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:54,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:03:54,391 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:54,393 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 15 treesize of output 11 [2021-07-13 22:03:54,394 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:54,420 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-13 22:03:54,420 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:03:54,420 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:03:54,421 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-13 22:03:54,451 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:54,451 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427040313] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:54,451 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:03:54,451 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-07-13 22:03:54,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684186891] [2021-07-13 22:03:54,452 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-13 22:03:54,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:54,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-13 22:03:54,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-07-13 22:03:54,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:54,452 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:54,452 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:54,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:54,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:54,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:54,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:54,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:54,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:54,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:54,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:54,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:54,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:54,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:54,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:54,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:54,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:54,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:03:54,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:54,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:03:54,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:54,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:03:54,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:03:54,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:03:54,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:03:54,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:03:54,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:54,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:03:54,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:03:54,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:54,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:54,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:54,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:54,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:54,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:54,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:54,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:54,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:03:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:03:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:03:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:03:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:03:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:03:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:03:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:03:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:03:54,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:03:55,158 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable223 [2021-07-13 22:03:55,158 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:03:55,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:03:55,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1526129236, now seen corresponding path program 25 times [2021-07-13 22:03:55,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:03:55,159 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408806079] [2021-07-13 22:03:55,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:03:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:56,016 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:56,017 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:03:56,017 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408806079] [2021-07-13 22:03:56,017 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408806079] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:56,017 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285052667] [2021-07-13 22:03:56,017 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:03:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:03:56,059 WARN L261 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 113 conjunts are in the unsatisfiable core [2021-07-13 22:03:56,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:03:57,287 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-13 22:03:57,564 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-13 22:03:57,840 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-13 22:03:58,107 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-13 22:03:58,409 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-13 22:03:58,717 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-13 22:03:59,001 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-13 22:03:59,287 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-13 22:03:59,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:59,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:59,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 75 [2021-07-13 22:03:59,407 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:59,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,431 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:03:59,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:03:59,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 77 [2021-07-13 22:03:59,443 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:03:59,456 INFO L628 ElimStorePlain]: treesize reduction 167, result has 6.2 percent of original size [2021-07-13 22:03:59,456 INFO L518 ElimStorePlain]: Eliminatee v_prenex_80 vanished before elimination [2021-07-13 22:03:59,456 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:03:59,456 INFO L518 ElimStorePlain]: Eliminatee v_prenex_79 vanished before elimination [2021-07-13 22:03:59,457 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:03:59,457 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:371, output treesize:11 [2021-07-13 22:03:59,509 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:03:59,509 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285052667] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:03:59,510 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:03:59,510 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 42 [2021-07-13 22:03:59,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569747912] [2021-07-13 22:03:59,510 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-13 22:03:59,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:03:59,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-13 22:03:59,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1621, Unknown=0, NotChecked=0, Total=1722 [2021-07-13 22:03:59,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:03:59,511 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:03:59,511 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 42 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:03:59,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:03:59,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:59,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:03:59,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:59,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:59,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:03:59,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:03:59,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:03:59,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:03:59,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:03:59,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:59,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:03:59,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:59,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:03:59,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:03:59,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:59,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:03:59,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:03:59,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:03:59,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:03:59,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:03:59,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:03:59,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:03:59,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:03:59,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:03:59,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:03:59,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:03:59,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:04:00,800 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-07-13 22:04:01,271 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 124 [2021-07-13 22:04:01,632 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2021-07-13 22:04:01,998 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2021-07-13 22:04:02,401 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2021-07-13 22:04:02,799 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2021-07-13 22:04:03,197 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 165 [2021-07-13 22:04:03,613 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 127 [2021-07-13 22:04:04,200 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 165 [2021-07-13 22:04:04,593 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 127 [2021-07-13 22:04:04,812 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2021-07-13 22:04:04,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:04:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:04:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:04:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:04:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:04:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:04:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:04:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:04:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:04:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:04:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:04:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:04:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:04:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:04,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:04:05,128 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable225 [2021-07-13 22:04:05,128 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:04:05,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:04:05,129 INFO L82 PathProgramCache]: Analyzing trace with hash -98625346, now seen corresponding path program 26 times [2021-07-13 22:04:05,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:04:05,129 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324514764] [2021-07-13 22:04:05,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:04:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:04:05,448 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:04:05,448 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:04:05,448 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324514764] [2021-07-13 22:04:05,448 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324514764] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:04:05,448 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112687736] [2021-07-13 22:04:05,448 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:04:05,494 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 22:04:05,494 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:04:05,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-13 22:04:05,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:04:05,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:04:05,842 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:05,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:04:05,846 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:05,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-13 22:04:05,849 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:05,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:04:05,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:04:05,852 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:05,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-13 22:04:05,855 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:05,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-13 22:04:05,858 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:05,882 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-13 22:04:05,882 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:04:05,883 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-13 22:04:05,883 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-13 22:04:05,927 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:04:05,928 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112687736] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:04:05,928 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:04:05,928 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-07-13 22:04:05,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162944996] [2021-07-13 22:04:05,928 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-13 22:04:05,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:04:05,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-13 22:04:05,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-07-13 22:04:05,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:04:05,929 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:04:05,929 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:04:05,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:04:05,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:05,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:05,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:05,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:05,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:05,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:04:05,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:04:05,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:05,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:04:05,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:05,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:04:05,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:05,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:04:05,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:04:05,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:05,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:05,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:05,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:04:05,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:04:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:04:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:04:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:04:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:04:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:04:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:04:07,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:04:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:04:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:04:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:04:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:04:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:04:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:04:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:04:07,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:04:07,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:04:07,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:04:07,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:07,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:07,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:04:07,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:04:07,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:07,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:04:07,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:04:07,250 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable254 [2021-07-13 22:04:07,251 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:04:07,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:04:07,251 INFO L82 PathProgramCache]: Analyzing trace with hash 768200896, now seen corresponding path program 27 times [2021-07-13 22:04:07,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:04:07,251 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261260068] [2021-07-13 22:04:07,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:04:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:04:07,557 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:04:07,557 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:04:07,557 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261260068] [2021-07-13 22:04:07,557 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261260068] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:04:07,557 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116133686] [2021-07-13 22:04:07,557 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:04:07,601 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-13 22:04:07,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:04:07,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-13 22:04:07,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:04:07,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:04:07,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-13 22:04:07,949 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:07,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:04:07,952 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:07,967 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-13 22:04:07,967 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:04:07,967 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:04:07,967 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-13 22:04:08,004 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:04:08,005 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116133686] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:04:08,005 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:04:08,005 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-07-13 22:04:08,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131471277] [2021-07-13 22:04:08,005 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-13 22:04:08,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:04:08,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-13 22:04:08,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-07-13 22:04:08,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:04:08,006 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:04:08,006 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:04:08,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:04:08,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:08,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:08,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:08,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:08,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:08,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:04:08,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:04:08,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:08,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:04:08,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:08,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:04:08,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:08,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:04:08,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:04:08,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:08,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:08,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:08,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:04:08,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:04:08,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:04:08,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:04:08,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:08,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:08,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:04:08,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:04:08,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:08,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:04:08,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:04:08,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:04:08,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:04:08,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:08,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:08,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:08,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:08,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:08,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:04:08,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:04:08,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:08,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:04:08,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:08,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:04:08,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:08,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:04:08,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:04:08,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:08,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:08,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:08,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:04:08,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:04:08,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:04:08,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:04:08,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:08,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:08,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:04:08,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:04:08,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:08,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:04:08,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:04:08,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:04:08,734 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable260 [2021-07-13 22:04:08,734 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:04:08,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:04:08,734 INFO L82 PathProgramCache]: Analyzing trace with hash -1988835286, now seen corresponding path program 28 times [2021-07-13 22:04:08,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:04:08,735 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333219768] [2021-07-13 22:04:08,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:04:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:04:10,085 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:04:10,086 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:04:10,086 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333219768] [2021-07-13 22:04:10,086 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333219768] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:04:10,086 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578974897] [2021-07-13 22:04:10,086 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:04:10,129 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 22:04:10,129 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:04:10,131 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 125 conjunts are in the unsatisfiable core [2021-07-13 22:04:10,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:04:11,604 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-13 22:04:11,940 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-13 22:04:12,247 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-13 22:04:12,556 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-13 22:04:12,863 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-13 22:04:13,192 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-13 22:04:13,527 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-13 22:04:13,854 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-13 22:04:14,183 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-13 22:04:14,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,269 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:04:14,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:04:14,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 82 [2021-07-13 22:04:14,317 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:14,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:04:14,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 74 [2021-07-13 22:04:14,364 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:14,445 INFO L628 ElimStorePlain]: treesize reduction 157, result has 48.5 percent of original size [2021-07-13 22:04:14,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:04:14,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:14,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 84 [2021-07-13 22:04:14,478 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:14,488 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:04:14,489 INFO L518 ElimStorePlain]: Eliminatee v_prenex_91 vanished before elimination [2021-07-13 22:04:14,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:04:14,491 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 10 treesize of output 6 [2021-07-13 22:04:14,492 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 22:04:14,503 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:04:14,505 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-13 22:04:14,505 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:521, output treesize:22 [2021-07-13 22:04:14,588 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:04:14,589 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578974897] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:04:14,589 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:04:14,589 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24] total 47 [2021-07-13 22:04:14,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232637434] [2021-07-13 22:04:14,589 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-13 22:04:14,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:04:14,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-13 22:04:14,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=2059, Unknown=0, NotChecked=0, Total=2162 [2021-07-13 22:04:14,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:04:14,590 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:04:14,590 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 47 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:04:14,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:04:14,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:14,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:14,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:14,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:14,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:14,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:04:14,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:04:14,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:14,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:04:14,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:14,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:04:14,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:14,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:04:14,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:04:14,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:14,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:14,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:14,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:04:14,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:04:14,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:04:14,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:04:14,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:14,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:14,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:04:14,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:04:14,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:14,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:04:14,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:04:14,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:04:14,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:04:15,906 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2021-07-13 22:04:16,171 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2021-07-13 22:04:16,556 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 132 [2021-07-13 22:04:17,010 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 149 [2021-07-13 22:04:17,431 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 105 [2021-07-13 22:04:17,901 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 105 [2021-07-13 22:04:18,437 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 147 [2021-07-13 22:04:18,893 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 144 [2021-07-13 22:04:19,338 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 104 [2021-07-13 22:04:19,785 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 109 [2021-07-13 22:04:20,243 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 106 [2021-07-13 22:04:20,668 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 149 [2021-07-13 22:04:21,081 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 149 [2021-07-13 22:04:21,375 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2021-07-13 22:04:21,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:04:21,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:21,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:21,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:21,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:21,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:21,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:04:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:04:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:04:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:04:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:04:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:04:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:04:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:04:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:04:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:04:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:04:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:04:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:04:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:04:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:04:21,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:21,745 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable262,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:04:21,745 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:04:21,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:04:21,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1557611008, now seen corresponding path program 29 times [2021-07-13 22:04:21,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:04:21,745 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120066490] [2021-07-13 22:04:21,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:04:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:04:22,129 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:04:22,129 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:04:22,130 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120066490] [2021-07-13 22:04:22,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120066490] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:04:22,130 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472748238] [2021-07-13 22:04:22,130 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:04:22,180 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-13 22:04:22,181 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:04:22,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-13 22:04:22,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:04:22,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:04:22,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:04:22,601 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:22,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:04:22,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-13 22:04:22,605 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:22,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:04:22,608 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:22,610 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 22:04:22,611 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:22,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:04:22,614 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:22,616 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 22:04:22,617 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:22,639 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-13 22:04:22,639 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:04:22,639 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-13 22:04:22,640 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-13 22:04:22,683 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:04:22,684 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472748238] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:04:22,684 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:04:22,684 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-07-13 22:04:22,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570430373] [2021-07-13 22:04:22,684 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-13 22:04:22,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:04:22,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-13 22:04:22,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-07-13 22:04:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:04:22,685 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:04:22,685 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:04:22,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:04:22,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:22,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:22,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:22,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:22,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:22,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:04:22,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:04:22,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:22,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:04:22,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:22,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:04:22,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:22,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:04:22,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:04:22,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:22,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:22,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:22,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:04:22,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:04:22,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:04:22,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:04:22,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:22,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:22,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:04:22,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:04:22,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:22,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:04:22,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:04:22,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:04:22,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:22,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:04:24,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:04:24,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:24,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:24,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:24,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:24,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:04:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:04:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:04:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:04:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:04:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:04:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:04:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:04:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:04:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:04:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:04:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:04:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:04:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:04:24,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:04:24,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:24,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:04:24,210 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable306,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:04:24,210 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:04:24,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:04:24,211 INFO L82 PathProgramCache]: Analyzing trace with hash -455801282, now seen corresponding path program 30 times [2021-07-13 22:04:24,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:04:24,211 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865168024] [2021-07-13 22:04:24,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:04:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:04:24,585 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:04:24,585 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:04:24,585 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865168024] [2021-07-13 22:04:24,585 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865168024] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:04:24,585 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054491134] [2021-07-13 22:04:24,585 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:04:24,632 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-13 22:04:24,632 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:04:24,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-13 22:04:24,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:04:25,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:04:25,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-13 22:04:25,027 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:25,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:04:25,029 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:25,044 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-13 22:04:25,044 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:04:25,045 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:04:25,045 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-13 22:04:25,087 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:04:25,087 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054491134] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:04:25,087 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:04:25,087 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-07-13 22:04:25,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71531916] [2021-07-13 22:04:25,088 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-13 22:04:25,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:04:25,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-13 22:04:25,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-07-13 22:04:25,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:04:25,088 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:04:25,088 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:04:25,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:25,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:04:25,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:04:25,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:04:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:04:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:04:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:04:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:04:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:04:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:04:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:04:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:04:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:04:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:04:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:04:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:04:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:25,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:04:25,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:04:25,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:04:25,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:25,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:04:25,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:04:25,945 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable313 [2021-07-13 22:04:25,945 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:04:25,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:04:25,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1278197140, now seen corresponding path program 31 times [2021-07-13 22:04:25,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:04:25,946 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677784521] [2021-07-13 22:04:25,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:04:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:04:27,305 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:04:27,305 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:04:27,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677784521] [2021-07-13 22:04:27,305 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677784521] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:04:27,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425061205] [2021-07-13 22:04:27,305 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:04:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:04:27,353 WARN L261 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 137 conjunts are in the unsatisfiable core [2021-07-13 22:04:27,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:04:29,163 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-13 22:04:29,476 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-13 22:04:29,865 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-13 22:04:30,192 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-13 22:04:30,589 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-13 22:04:30,933 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-13 22:04:31,341 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-13 22:04:31,752 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-13 22:04:32,102 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-13 22:04:32,457 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-13 22:04:32,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:04:32,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:04:32,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 89 [2021-07-13 22:04:32,628 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:32,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:04:32,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:32,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 91 [2021-07-13 22:04:32,685 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:32,698 INFO L628 ElimStorePlain]: treesize reduction 187, result has 5.6 percent of original size [2021-07-13 22:04:32,698 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:04:32,698 INFO L518 ElimStorePlain]: Eliminatee v_prenex_103 vanished before elimination [2021-07-13 22:04:32,698 INFO L518 ElimStorePlain]: Eliminatee v_prenex_104 vanished before elimination [2021-07-13 22:04:32,699 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:04:32,699 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:437, output treesize:11 [2021-07-13 22:04:32,778 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:04:32,778 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425061205] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:04:32,778 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:04:32,778 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 50 [2021-07-13 22:04:32,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580169278] [2021-07-13 22:04:32,779 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-07-13 22:04:32,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:04:32,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-07-13 22:04:32,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=2341, Unknown=0, NotChecked=0, Total=2450 [2021-07-13 22:04:32,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:04:32,779 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:04:32,780 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 1.2) internal successors, (60), 50 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:04:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:04:32,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:04:32,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:32,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:04:32,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:04:32,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:04:34,454 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2021-07-13 22:04:34,819 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 94 [2021-07-13 22:04:35,317 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 142 [2021-07-13 22:04:35,849 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 155 [2021-07-13 22:04:36,421 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 158 [2021-07-13 22:04:37,092 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 158 [2021-07-13 22:04:37,779 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 158 [2021-07-13 22:04:38,460 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 156 [2021-07-13 22:04:39,144 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 159 [2021-07-13 22:04:39,791 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 158 [2021-07-13 22:04:40,738 WARN L205 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 158 [2021-07-13 22:04:41,459 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 158 [2021-07-13 22:04:42,079 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 204 [2021-07-13 22:04:42,704 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 204 [2021-07-13 22:04:43,084 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 99 [2021-07-13 22:04:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:04:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:04:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:04:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:04:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:04:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:04:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:04:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:04:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:04:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:04:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:04:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:04:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:04:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:04:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:04:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:04:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:04:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:04:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:04:43,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable315 [2021-07-13 22:04:43,456 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:04:43,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:04:43,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1002664962, now seen corresponding path program 32 times [2021-07-13 22:04:43,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:04:43,456 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292804295] [2021-07-13 22:04:43,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:04:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:04:43,847 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:04:43,847 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:04:43,847 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292804295] [2021-07-13 22:04:43,847 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292804295] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:04:43,847 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076559578] [2021-07-13 22:04:43,847 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:04:43,894 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 22:04:43,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:04:43,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-13 22:04:43,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:04:44,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-13 22:04:44,365 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:44,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:04:44,368 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:44,370 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:04:44,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-13 22:04:44,371 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:44,373 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 22:04:44,374 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:44,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:04:44,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:04:44,377 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:44,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:04:44,380 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:44,402 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-13 22:04:44,402 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:04:44,403 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-13 22:04:44,403 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-13 22:04:44,448 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:04:44,448 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076559578] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:04:44,448 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:04:44,448 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-07-13 22:04:44,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734037576] [2021-07-13 22:04:44,449 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-13 22:04:44,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:04:44,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-13 22:04:44,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-07-13 22:04:44,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:04:44,449 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:04:44,449 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:04:44,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:04:44,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:44,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:04:44,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:04:44,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:04:44,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:04:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:04:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:04:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:04:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:04:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:04:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:04:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:04:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:04:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:04:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:04:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:04:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:45,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:45,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:04:45,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:04:45,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:45,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:04:45,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:04:45,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:04:45,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:45,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:04:45,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:04:45,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:04:45,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:04:46,131 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable352 [2021-07-13 22:04:46,132 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:04:46,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:04:46,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1206301824, now seen corresponding path program 33 times [2021-07-13 22:04:46,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:04:46,132 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945855631] [2021-07-13 22:04:46,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:04:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:04:46,537 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:04:46,537 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:04:46,537 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945855631] [2021-07-13 22:04:46,537 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945855631] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:04:46,537 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273330354] [2021-07-13 22:04:46,537 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:04:46,587 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-13 22:04:46,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:04:46,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-13 22:04:46,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:04:47,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:04:47,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-13 22:04:47,035 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:47,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:04:47,039 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:47,054 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-13 22:04:47,054 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:04:47,055 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:04:47,055 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-13 22:04:47,091 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:04:47,091 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273330354] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:04:47,092 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:04:47,092 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-07-13 22:04:47,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027902671] [2021-07-13 22:04:47,092 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-13 22:04:47,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:04:47,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-13 22:04:47,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-07-13 22:04:47,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:04:47,093 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:04:47,093 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:04:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:04:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:04:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:04:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:04:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:04:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:04:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:04:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:04:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:04:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:04:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:04:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:47,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:47,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:04:47,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:04:47,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:47,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:04:47,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:04:47,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:04:47,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:47,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:04:47,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:04:47,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:04:47,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:04:47,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:04:47,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:04:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:04:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:04:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:04:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:04:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:04:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:04:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:04:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:04:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:04:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:04:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:04:47,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:04:47,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:47,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:04:47,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:04:47,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:04:47,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:47,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:04:47,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:04:47,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:04:47,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:04:47,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:48,143 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable359,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:04:48,144 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:04:48,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:04:48,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1226089834, now seen corresponding path program 34 times [2021-07-13 22:04:48,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:04:48,144 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833386486] [2021-07-13 22:04:48,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:04:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:04:49,222 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:04:49,222 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:04:49,222 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833386486] [2021-07-13 22:04:49,222 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833386486] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:04:49,222 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915284411] [2021-07-13 22:04:49,222 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 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:04:49,270 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 22:04:49,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:04:49,275 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 149 conjunts are in the unsatisfiable core [2021-07-13 22:04:49,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:04:51,358 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-13 22:04:51,747 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-13 22:04:52,104 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-13 22:04:52,442 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-13 22:04:52,829 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-13 22:04:53,225 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-13 22:04:53,674 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-13 22:04:54,018 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-13 22:04:54,358 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-13 22:04:54,718 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-13 22:04:55,143 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-13 22:04:55,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:04:55,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,305 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:04:55,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 98 [2021-07-13 22:04:55,323 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:55,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:04:55,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:04:55,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 96 [2021-07-13 22:04:55,377 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:04:55,391 INFO L628 ElimStorePlain]: treesize reduction 200, result has 5.2 percent of original size [2021-07-13 22:04:55,391 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-13 22:04:55,391 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:04:55,391 INFO L518 ElimStorePlain]: Eliminatee v_prenex_117 vanished before elimination [2021-07-13 22:04:55,391 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:04:55,391 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:470, output treesize:11 [2021-07-13 22:04:55,400 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:04:55,400 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915284411] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:04:55,400 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:04:55,400 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 53 [2021-07-13 22:04:55,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64695970] [2021-07-13 22:04:55,401 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-13 22:04:55,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:04:55,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-13 22:04:55,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=2628, Unknown=0, NotChecked=0, Total=2756 [2021-07-13 22:04:55,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:04:55,402 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:04:55,402 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.1320754716981132) internal successors, (60), 53 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:04:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:04:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:04:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:04:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:04:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:04:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:04:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:04:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:04:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:04:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:04:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:04:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:04:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:04:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:04:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:04:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:04:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:04:55,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:04:55,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:04:55,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:04:55,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:04:55,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:04:55,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:55,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:04:55,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:04:55,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:04:55,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:04:55,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:04:55,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:04:58,060 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 141 [2021-07-13 22:04:58,432 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-13 22:04:58,829 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-13 22:04:59,224 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-13 22:04:59,706 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-13 22:05:00,098 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-13 22:05:00,503 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-13 22:05:00,904 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-13 22:05:01,335 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-13 22:05:01,758 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-13 22:05:02,206 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-13 22:05:02,631 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-13 22:05:02,899 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2021-07-13 22:05:03,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:05:03,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:05:03,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:05:03,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:05:03,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:05:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:05:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:05:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:05:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:05:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:05:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:05:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:05:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:05:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:05:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:05:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:05:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:05:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:05:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:05:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:05:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:05:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:05:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:05:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:05:03,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:05:03,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:05:03,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:03,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:05:03,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:05:03,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:05:03,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:05:03,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:03,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:05:03,264 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable361,37 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:05:03,264 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:05:03,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:05:03,264 INFO L82 PathProgramCache]: Analyzing trace with hash -679180096, now seen corresponding path program 35 times [2021-07-13 22:05:03,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:05:03,264 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894133835] [2021-07-13 22:05:03,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:05:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:05:03,759 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:05:03,759 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:05:03,759 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894133835] [2021-07-13 22:05:03,759 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894133835] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:05:03,759 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791814443] [2021-07-13 22:05:03,759 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:05:03,820 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-13 22:05:03,821 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:05:03,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-13 22:05:03,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:05:04,405 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 [2021-07-13 22:05:04,406 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:05:04,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-13 22:05:04,409 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:05:04,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:05:04,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:05:04,413 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 22:05:04,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:05:04,415 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 17 treesize of output 13 [2021-07-13 22:05:04,416 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 22:05:04,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:05:04,419 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 22:05:04,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:05:04,422 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 22:05:04,447 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-13 22:05:04,447 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:05:04,448 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-13 22:05:04,448 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-13 22:05:04,500 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:05:04,500 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791814443] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:05:04,500 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:05:04,500 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-07-13 22:05:04,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495565333] [2021-07-13 22:05:04,500 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-13 22:05:04,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:05:04,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-13 22:05:04,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-07-13 22:05:04,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:05:04,501 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:05:04,501 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:05:04,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:05:04,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:05:04,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:05:04,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:05:04,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:05:04,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:05:04,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:05:04,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:05:04,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:05:04,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:05:04,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:04,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:05:04,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:04,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:05:04,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:05:04,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:05:04,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:05:04,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:04,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:05:04,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:05:04,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:05:04,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:05:04,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:04,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:05:04,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:05:04,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:05:04,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:05:04,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:05:04,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:05:04,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:05:04,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:04,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:05:04,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:05:04,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:05:04,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:05:04,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:04,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:05:04,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:05:06,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:05:06,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:05:06,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:05:06,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:05:06,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:05:06,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:06,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:05:06,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:05:06,546 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable400 [2021-07-13 22:05:06,547 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:05:06,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:05:06,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1598011774, now seen corresponding path program 36 times [2021-07-13 22:05:06,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:05:06,547 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558033408] [2021-07-13 22:05:06,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:05:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:05:07,033 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:05:07,034 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:05:07,034 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558033408] [2021-07-13 22:05:07,034 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558033408] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:05:07,034 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332506326] [2021-07-13 22:05:07,034 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:05:07,092 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-13 22:05:07,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:05:07,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-13 22:05:07,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:05:07,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:05:07,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:05:07,675 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:05:07,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-13 22:05:07,678 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:05:07,694 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-13 22:05:07,694 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:05:07,695 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:05:07,695 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-13 22:05:07,737 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:05:07,737 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332506326] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:05:07,737 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:05:07,737 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-07-13 22:05:07,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907900906] [2021-07-13 22:05:07,738 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-13 22:05:07,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:05:07,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-13 22:05:07,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-07-13 22:05:07,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:05:07,738 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:05:07,738 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:05:07,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:05:07,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:07,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:05:07,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:05:07,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:05:07,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:05:07,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:07,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:05:07,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:05:07,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:05:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:05:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:05:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:05:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:05:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:05:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:05:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:05:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:05:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:05:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:05:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:05:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:05:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:05:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:05:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:05:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:05:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:05:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:05:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:05:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:05:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:05:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:05:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:05:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:05:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:05:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:05:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:05:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:05:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:05:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:05:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:05:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:05:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 22:05:08,871 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable407,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:05:08,871 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:05:08,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:05:08,871 INFO L82 PathProgramCache]: Analyzing trace with hash -2034501844, now seen corresponding path program 37 times [2021-07-13 22:05:08,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:05:08,872 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636854626] [2021-07-13 22:05:08,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:05:08,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:05:10,613 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:05:10,613 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:05:10,614 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636854626] [2021-07-13 22:05:10,614 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636854626] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:05:10,614 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443111458] [2021-07-13 22:05:10,614 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:05:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:05:10,666 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 161 conjunts are in the unsatisfiable core [2021-07-13 22:05:10,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:05:13,103 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-13 22:05:13,536 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-13 22:05:14,041 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-13 22:05:14,453 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-13 22:05:14,894 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-13 22:05:15,356 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-13 22:05:15,865 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-13 22:05:16,356 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-13 22:05:16,858 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-13 22:05:17,332 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-13 22:05:17,828 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-13 22:05:18,295 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-13 22:05:18,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:05:18,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:18,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 103 [2021-07-13 22:05:18,432 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:05:18,473 INFO L628 ElimStorePlain]: treesize reduction 349, result has 3.1 percent of original size [2021-07-13 22:05:18,473 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:05:18,473 INFO L518 ElimStorePlain]: Eliminatee v_prenex_135 vanished before elimination [2021-07-13 22:05:18,473 INFO L518 ElimStorePlain]: Eliminatee v_prenex_136 vanished before elimination [2021-07-13 22:05:18,473 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:05:18,473 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:503, output treesize:11 [2021-07-13 22:05:18,556 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:05:18,556 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443111458] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:05:18,556 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:05:18,556 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30] total 58 [2021-07-13 22:05:18,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161814041] [2021-07-13 22:05:18,556 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-07-13 22:05:18,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:05:18,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-07-13 22:05:18,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=3165, Unknown=0, NotChecked=0, Total=3306 [2021-07-13 22:05:18,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:05:18,557 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:05:18,558 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 1.1724137931034482) internal successors, (68), 58 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:05:18,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:05:18,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:05:18,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:05:18,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:05:18,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:05:18,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:05:18,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:05:18,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:05:18,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:05:18,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:05:18,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:18,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:05:18,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:18,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:05:18,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:05:18,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:05:18,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:05:18,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:18,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:05:18,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:05:18,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:05:18,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:05:18,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:18,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:05:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:05:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:05:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:05:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:05:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:05:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:05:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:05:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:05:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:05:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:05:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:05:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:05:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 22:05:18,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:05:21,393 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2021-07-13 22:05:22,124 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 157 [2021-07-13 22:05:22,620 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 160 [2021-07-13 22:05:23,372 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 166 [2021-07-13 22:05:24,165 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 166 [2021-07-13 22:05:24,969 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 166 [2021-07-13 22:05:25,655 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-13 22:05:26,328 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-13 22:05:26,942 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-13 22:05:27,528 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-13 22:05:28,133 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-13 22:05:28,848 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 166 [2021-07-13 22:05:29,452 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-13 22:05:30,143 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 166 [2021-07-13 22:05:30,450 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2021-07-13 22:05:30,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:05:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:05:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:05:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:05:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:05:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:05:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:05:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:05:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:05:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:05:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:05:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:05:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:05:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:05:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:05:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:05:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:05:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:05:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:05:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:05:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:05:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:05:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:05:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:05:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:05:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:05:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:05:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:05:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:05:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:05:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:05:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:05:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 22:05:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-13 22:05:30,837 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable409,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:05:30,837 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:05:30,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:05:30,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1321692990, now seen corresponding path program 38 times [2021-07-13 22:05:30,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:05:30,838 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022166732] [2021-07-13 22:05:30,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:05:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:05:31,408 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:05:31,408 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:05:31,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022166732] [2021-07-13 22:05:31,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022166732] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:05:31,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115952499] [2021-07-13 22:05:31,408 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 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:05:31,457 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 22:05:31,458 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:05:31,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-13 22:05:31,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:05:32,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:05:32,055 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:05:32,057 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 8 treesize of output 6 [2021-07-13 22:05:32,058 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:05:32,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:05:32,061 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 22:05:32,063 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:05:32,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-13 22:05:32,064 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 22:05:32,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:05:32,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:05:32,067 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 22:05:32,069 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 22:05:32,070 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 22:05:32,093 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-13 22:05:32,093 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:05:32,094 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-13 22:05:32,094 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-13 22:05:32,145 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:05:32,145 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115952499] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:05:32,145 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:05:32,145 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-07-13 22:05:32,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820475501] [2021-07-13 22:05:32,146 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-13 22:05:32,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:05:32,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-13 22:05:32,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-07-13 22:05:32,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:05:32,147 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:05:32,147 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.173913043478261) internal successors, (54), 46 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:05:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:05:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:05:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:05:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:05:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:05:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:05:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:05:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:05:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:05:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:05:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:05:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:05:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:05:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:05:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:05:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:05:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 22:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-13 22:05:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:05:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:05:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:05:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:05:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:05:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:05:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:05:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:05:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:05:34,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 22:05:34,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-13 22:05:34,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-13 22:05:34,378 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable449,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:05:34,378 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:05:34,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:05:34,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1099803072, now seen corresponding path program 39 times [2021-07-13 22:05:34,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:05:34,379 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725854648] [2021-07-13 22:05:34,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:05:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:05:34,910 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:05:34,910 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:05:34,910 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725854648] [2021-07-13 22:05:34,910 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725854648] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:05:34,910 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699663674] [2021-07-13 22:05:34,911 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:05:34,969 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-13 22:05:34,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:05:34,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-13 22:05:34,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:05:35,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:05:35,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:05:35,567 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:05:35,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-13 22:05:35,569 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:05:35,584 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-13 22:05:35,584 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:05:35,585 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:05:35,585 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-13 22:05:35,629 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:05:35,629 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699663674] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:05:35,629 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:05:35,629 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-07-13 22:05:35,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117364499] [2021-07-13 22:05:35,630 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-13 22:05:35,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:05:35,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-13 22:05:35,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-07-13 22:05:35,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:05:35,631 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:05:35,631 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.173913043478261) internal successors, (54), 46 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:05:35,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:05:35,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:05:35,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:05:35,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:05:35,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:05:35,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:05:35,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:05:35,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:05:35,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:05:35,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:05:35,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:35,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:05:35,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:35,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:05:35,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:05:35,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:05:35,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:05:35,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:35,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:05:35,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:05:35,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:05:35,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:05:35,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:05:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:05:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:05:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:05:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:05:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:05:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:05:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:05:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:05:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:05:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:05:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:05:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:05:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 22:05:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-13 22:05:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-13 22:05:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:05:36,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:05:36,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:05:36,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:05:36,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:05:36,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:05:36,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:05:36,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:05:36,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:05:36,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:05:36,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:05:36,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:36,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:05:36,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:36,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:05:36,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:05:36,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:05:36,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:05:36,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:05:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:05:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:05:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:05:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:05:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:05:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:05:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:05:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:05:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:05:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:05:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:05:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:05:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:05:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:05:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:05:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:05:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 22:05:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-13 22:05:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-13 22:05:36,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:05:36,952 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable456 [2021-07-13 22:05:36,952 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:05:36,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:05:36,957 INFO L82 PathProgramCache]: Analyzing trace with hash 232583850, now seen corresponding path program 40 times [2021-07-13 22:05:36,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:05:36,957 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874500158] [2021-07-13 22:05:36,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:05:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:05:39,152 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:05:39,152 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:05:39,152 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874500158] [2021-07-13 22:05:39,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874500158] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:05:39,152 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171905944] [2021-07-13 22:05:39,152 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:05:39,204 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 22:05:39,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:05:39,206 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 173 conjunts are in the unsatisfiable core [2021-07-13 22:05:39,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:05:42,033 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-13 22:05:42,563 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-13 22:05:43,047 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-13 22:05:43,603 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-13 22:05:44,213 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-13 22:05:44,759 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-13 22:05:45,338 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-13 22:05:45,934 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-13 22:05:46,660 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-13 22:05:47,319 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-13 22:05:47,997 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-13 22:05:48,622 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-13 22:05:49,236 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-13 22:05:49,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:05:49,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:05:49,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 91 disjoint index pairs (out of 105 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 110 [2021-07-13 22:05:49,399 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:05:49,446 INFO L628 ElimStorePlain]: treesize reduction 371, result has 2.9 percent of original size [2021-07-13 22:05:49,447 INFO L518 ElimStorePlain]: Eliminatee v_prenex_151 vanished before elimination [2021-07-13 22:05:49,447 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:05:49,447 INFO L518 ElimStorePlain]: Eliminatee v_prenex_152 vanished before elimination [2021-07-13 22:05:49,447 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:05:49,447 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:536, output treesize:11 [2021-07-13 22:05:49,572 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:05:49,573 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171905944] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:05:49,573 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:05:49,573 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 32] total 63 [2021-07-13 22:05:49,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569842] [2021-07-13 22:05:49,573 INFO L462 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-07-13 22:05:49,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:05:49,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-07-13 22:05:49,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=3768, Unknown=0, NotChecked=0, Total=3906 [2021-07-13 22:05:49,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:05:49,574 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:05:49,574 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 1.1428571428571428) internal successors, (72), 63 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:05:49,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:05:49,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:05:49,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:05:49,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:05:49,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:05:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:05:49,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:05:49,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:05:49,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:05:49,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:05:49,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:05:49,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 22:05:49,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-13 22:05:49,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-13 22:05:49,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:05:49,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:05:52,788 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2021-07-13 22:05:54,593 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 200 DAG size of output: 108 [2021-07-13 22:05:55,575 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 111 [2021-07-13 22:05:56,354 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 118 [2021-07-13 22:05:57,163 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 169 [2021-07-13 22:05:57,983 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 174 [2021-07-13 22:05:58,891 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 174 [2021-07-13 22:05:59,810 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 232 [2021-07-13 22:06:00,695 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 174 [2021-07-13 22:06:01,577 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 174 [2021-07-13 22:06:02,425 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2021-07-13 22:06:03,304 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 181 [2021-07-13 22:06:04,142 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 183 [2021-07-13 22:06:05,033 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 182 [2021-07-13 22:06:05,977 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 232 [2021-07-13 22:06:06,513 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 115 [2021-07-13 22:06:06,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:06:06,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:06:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:06:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:06:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:06:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:06:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:06:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:06:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:06:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:06:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:06:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:06:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:06:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:06:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:06:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:06:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:06:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:06:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:06:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:06:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:06:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:06:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:06:06,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:06:06,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:06,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:06:06,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:06,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:06:06,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:06:06,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:06:06,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:06:06,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:06,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:06:06,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:06:06,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 22:06:06,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-13 22:06:06,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-13 22:06:06,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:06:06,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:06,985 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable458,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:06:06,985 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:06:06,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:06:06,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1413094528, now seen corresponding path program 41 times [2021-07-13 22:06:06,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:06:06,986 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731846753] [2021-07-13 22:06:06,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:06:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:06:07,634 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:06:07,634 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:06:07,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731846753] [2021-07-13 22:06:07,635 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731846753] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:06:07,635 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280785546] [2021-07-13 22:06:07,635 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:06:07,698 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-07-13 22:06:07,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:06:07,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-13 22:06:07,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:06:08,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-13 22:06:08,376 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:06:08,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:06:08,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:06:08,380 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:06:08,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-13 22:06:08,383 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 22:06:08,386 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 7 treesize of output 5 [2021-07-13 22:06:08,386 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 22:06:08,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:06:08,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-13 22:06:08,390 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 22:06:08,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:06:08,393 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 22:06:08,419 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-13 22:06:08,419 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:06:08,420 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-13 22:06:08,420 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-13 22:06:08,473 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:06:08,474 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280785546] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:06:08,474 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:06:08,474 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-07-13 22:06:08,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448824156] [2021-07-13 22:06:08,474 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-13 22:06:08,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:06:08,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-13 22:06:08,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-07-13 22:06:08,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:06:08,475 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:06:08,475 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 1.163265306122449) internal successors, (57), 49 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:06:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:06:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:06:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:06:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:06:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:06:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:06:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:06:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:06:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:06:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:06:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-13 22:06:08,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:06:08,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:08,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:06:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:06:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:06:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:06:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:06:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:06:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:06:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:06:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:06:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:06:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:06:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:06:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:06:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:06:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:06:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:06:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:06:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:06:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:06:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:06:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:06:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:06:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:06:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:06:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:06:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:06:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:06:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:06:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:06:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:06:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:06:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:06:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 22:06:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-13 22:06:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-13 22:06:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:06:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-13 22:06:10,954 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable502,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:06:10,954 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:06:10,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:06:10,954 INFO L82 PathProgramCache]: Analyzing trace with hash 829938878, now seen corresponding path program 42 times [2021-07-13 22:06:10,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:06:10,955 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349889043] [2021-07-13 22:06:10,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:06:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:06:11,566 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:06:11,567 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:06:11,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349889043] [2021-07-13 22:06:11,567 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349889043] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:06:11,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565377490] [2021-07-13 22:06:11,567 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:06:11,627 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-07-13 22:06:11,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:06:11,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-13 22:06:11,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:06:12,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:06:12,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-13 22:06:12,281 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:06:12,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:06:12,284 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:06:12,300 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-13 22:06:12,300 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:06:12,300 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:06:12,300 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-13 22:06:12,346 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:06:12,347 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565377490] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:06:12,347 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:06:12,347 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-07-13 22:06:12,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208058941] [2021-07-13 22:06:12,347 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-13 22:06:12,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:06:12,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-13 22:06:12,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-07-13 22:06:12,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:06:12,348 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:06:12,348 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 1.163265306122449) internal successors, (57), 49 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:06:12,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:06:12,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:06:12,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:06:12,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:06:12,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:06:12,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:06:12,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:06:12,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:06:12,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:06:12,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:06:12,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:12,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:06:12,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:12,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:12,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-13 22:06:12,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:06:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:06:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:06:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:06:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:06:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:06:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:06:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:06:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:06:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:06:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:06:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:06:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:06:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-13 22:06:13,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:13,769 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable509,45 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:06:13,769 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:06:13,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:06:13,770 INFO L82 PathProgramCache]: Analyzing trace with hash -74957844, now seen corresponding path program 43 times [2021-07-13 22:06:13,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:06:13,770 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290772632] [2021-07-13 22:06:13,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:06:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:06:15,942 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:06:15,943 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:06:15,943 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290772632] [2021-07-13 22:06:15,943 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290772632] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:06:15,943 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738187491] [2021-07-13 22:06:15,943 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:06:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:06:15,999 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 185 conjunts are in the unsatisfiable core [2021-07-13 22:06:16,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:06:18,712 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-07-13 22:06:19,208 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-13 22:06:19,757 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-13 22:06:20,342 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-13 22:06:20,862 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-13 22:06:21,384 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-13 22:06:21,904 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-13 22:06:22,442 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-13 22:06:22,976 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-13 22:06:23,515 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-13 22:06:24,087 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-13 22:06:24,676 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-13 22:06:25,479 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-13 22:06:26,072 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-13 22:06:26,754 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-13 22:06:26,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:06:26,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:06:26,984 INFO L244 Elim1Store]: Index analysis took 153 ms [2021-07-13 22:06:26,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 117 [2021-07-13 22:06:26,990 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:06:26,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:26,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:06:27,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 119 [2021-07-13 22:06:27,070 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:06:27,187 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 98 [2021-07-13 22:06:27,187 INFO L628 ElimStorePlain]: treesize reduction 216, result has 47.8 percent of original size [2021-07-13 22:06:27,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:06:27,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 104 [2021-07-13 22:06:27,272 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 22:06:27,284 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:06:27,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:06:27,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 6 [2021-07-13 22:06:27,287 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 22:06:27,298 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:06:27,298 INFO L518 ElimStorePlain]: Eliminatee v_prenex_162 vanished before elimination [2021-07-13 22:06:27,299 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-13 22:06:27,299 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:741, output treesize:22 [2021-07-13 22:06:27,436 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:06:27,436 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738187491] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:06:27,436 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:06:27,436 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 34] total 67 [2021-07-13 22:06:27,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602832451] [2021-07-13 22:06:27,436 INFO L462 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-07-13 22:06:27,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:06:27,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-07-13 22:06:27,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=4274, Unknown=0, NotChecked=0, Total=4422 [2021-07-13 22:06:27,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:06:27,438 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:06:27,438 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 67 states, 67 states have (on average 1.1343283582089552) internal successors, (76), 67 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:06:27,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:06:27,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:06:27,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:06:27,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:06:27,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:06:27,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:06:27,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:06:27,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:06:27,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:06:27,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:06:27,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:27,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:06:27,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:27,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:06:27,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:06:27,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:06:27,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:06:27,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:27,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:06:27,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:06:27,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:06:27,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:06:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:06:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:06:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:06:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:06:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:06:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:06:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:06:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:06:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:06:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:06:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:06:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:06:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 22:06:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-13 22:06:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-13 22:06:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:06:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-13 22:06:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:27,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:06:30,571 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2021-07-13 22:06:31,095 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 117 [2021-07-13 22:06:31,655 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 175 [2021-07-13 22:06:32,172 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 185 [2021-07-13 22:06:32,904 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 187 [2021-07-13 22:06:33,754 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-13 22:06:34,633 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-13 22:06:35,579 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 199 [2021-07-13 22:06:36,528 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-13 22:06:37,375 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-13 22:06:38,235 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 199 [2021-07-13 22:06:39,058 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-13 22:06:39,870 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-13 22:06:40,679 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-13 22:06:41,555 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-13 22:06:42,414 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-13 22:06:43,220 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 199 [2021-07-13 22:06:43,982 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 197 [2021-07-13 22:06:44,508 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 121 [2021-07-13 22:06:44,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:06:44,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:06:44,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:06:44,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:06:44,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:06:44,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:06:44,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:06:44,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 22:06:44,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-13 22:06:44,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-13 22:06:44,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:06:44,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:44,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-13 22:06:44,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:44,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:06:44,989 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable511 [2021-07-13 22:06:44,989 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:06:44,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:06:44,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1938014846, now seen corresponding path program 44 times [2021-07-13 22:06:44,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:06:44,989 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954001608] [2021-07-13 22:06:44,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:06:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:06:45,713 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:06:45,713 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:06:45,713 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954001608] [2021-07-13 22:06:45,713 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954001608] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:06:45,713 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482306769] [2021-07-13 22:06:45,713 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:06:45,767 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 22:06:45,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:06:45,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-07-13 22:06:45,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:06:46,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:06:46,542 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 17 treesize of output 13 [2021-07-13 22:06:46,543 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:06:46,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:06:46,546 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:06:46,548 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 22:06:46,549 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 22:06:46,551 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 22:06:46,551 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 22:06:46,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:06:46,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:06:46,554 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 22:06:46,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:06:46,557 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 22:06:46,579 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-13 22:06:46,579 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:06:46,579 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-13 22:06:46,580 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-13 22:06:46,637 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:06:46,637 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482306769] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:06:46,637 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:06:46,637 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-07-13 22:06:46,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900430838] [2021-07-13 22:06:46,637 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-13 22:06:46,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:06:46,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-13 22:06:46,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-07-13 22:06:46,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:06:46,638 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:06:46,638 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.1538461538461537) internal successors, (60), 52 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:06:46,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:06:46,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:06:46,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:06:46,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:06:46,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:06:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:06:46,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:46,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:06:46,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:06:46,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 22:06:46,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-13 22:06:46,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-13 22:06:46,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:06:46,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:46,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-13 22:06:46,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:46,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:06:46,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:06:49,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:06:49,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:06:49,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:06:49,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:06:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:06:49,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:06:49,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:49,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:06:49,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:06:49,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 22:06:49,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-13 22:06:49,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-13 22:06:49,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:06:49,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:49,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-13 22:06:49,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:49,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:06:49,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-13 22:06:49,446 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable583 [2021-07-13 22:06:49,447 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:06:49,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:06:49,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1542393600, now seen corresponding path program 45 times [2021-07-13 22:06:49,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:06:49,447 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001495194] [2021-07-13 22:06:49,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:06:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:06:50,191 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:06:50,191 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:06:50,191 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001495194] [2021-07-13 22:06:50,191 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001495194] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:06:50,191 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064740768] [2021-07-13 22:06:50,191 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:06:50,260 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-13 22:06:50,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:06:50,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-07-13 22:06:50,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:06:51,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:06:51,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-13 22:06:51,015 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:06:51,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-13 22:06:51,017 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:06:51,033 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-13 22:06:51,033 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:06:51,033 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:06:51,033 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-13 22:06:51,096 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:06:51,096 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064740768] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:06:51,096 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:06:51,096 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-07-13 22:06:51,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081881255] [2021-07-13 22:06:51,097 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-13 22:06:51,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:06:51,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-13 22:06:51,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-07-13 22:06:51,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:06:51,097 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:06:51,098 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.1538461538461537) internal successors, (60), 52 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:06:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:06:51,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:51,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:06:51,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:51,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:06:51,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:06:51,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:06:51,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:06:51,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:51,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:06:51,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:06:51,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 22:06:51,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-13 22:06:51,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-13 22:06:51,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:06:51,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:51,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-13 22:06:51,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:51,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:06:51,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-13 22:06:51,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:06:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:06:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:06:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:06:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:06:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:06:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:06:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:06:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:06:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:06:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:06:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:06:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:06:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:06:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:06:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:06:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:06:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:06:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:06:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:06:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:06:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:06:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:06:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:06:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:06:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:06:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:06:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:06:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:06:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:06:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:06:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:06:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:06:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:06:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 22:06:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-13 22:06:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-13 22:06:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:06:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-13 22:06:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:06:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:06:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-13 22:06:52,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-13 22:06:52,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable590,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:06:52,652 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:06:52,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:06:52,653 INFO L82 PathProgramCache]: Analyzing trace with hash -602820630, now seen corresponding path program 46 times [2021-07-13 22:06:52,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:06:52,653 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019899191] [2021-07-13 22:06:52,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:06:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:06:54,319 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:06:54,319 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:06:54,319 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019899191] [2021-07-13 22:06:54,319 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019899191] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:06:54,319 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139826132] [2021-07-13 22:06:54,319 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:06:54,376 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 22:06:54,376 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:06:54,378 WARN L261 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 197 conjunts are in the unsatisfiable core [2021-07-13 22:06:54,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:06:57,366 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-07-13 22:06:57,887 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-13 22:06:58,507 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-13 22:06:59,147 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-13 22:06:59,778 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-13 22:07:00,340 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-13 22:07:00,887 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-13 22:07:01,533 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-13 22:07:02,162 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-13 22:07:02,734 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-13 22:07:03,315 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-13 22:07:03,980 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-13 22:07:04,685 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-13 22:07:05,268 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-13 22:07:05,968 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-13 22:07:06,629 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-13 22:07:06,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:07:06,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:07:06,903 INFO L244 Elim1Store]: Index analysis took 194 ms [2021-07-13 22:07:06,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 126 [2021-07-13 22:07:06,910 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:07:06,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:07:06,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:06,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:07,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:07,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:07,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 124 [2021-07-13 22:07:07,008 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:07:07,025 INFO L628 ElimStorePlain]: treesize reduction 248, result has 4.2 percent of original size [2021-07-13 22:07:07,026 INFO L518 ElimStorePlain]: Eliminatee v_prenex_183 vanished before elimination [2021-07-13 22:07:07,026 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:07:07,026 INFO L518 ElimStorePlain]: Eliminatee v_prenex_184 vanished before elimination [2021-07-13 22:07:07,026 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:07:07,026 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:602, output treesize:11 [2021-07-13 22:07:07,132 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:07:07,132 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139826132] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:07:07,132 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:07:07,132 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36] total 70 [2021-07-13 22:07:07,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449853875] [2021-07-13 22:07:07,132 INFO L462 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-07-13 22:07:07,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:07:07,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-07-13 22:07:07,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=4659, Unknown=0, NotChecked=0, Total=4830 [2021-07-13 22:07:07,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:07:07,133 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:07:07,133 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 70 states, 70 states have (on average 1.1428571428571428) internal successors, (80), 70 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:07:07,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:07:07,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:07:07,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:07:07,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:07:07,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:07:07,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:07:07,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:07:07,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:07:07,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:07:07,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 22:07:07,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-13 22:07:07,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-13 22:07:07,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:07:07,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:07:07,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-13 22:07:07,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:07:07,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:07:07,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-13 22:07:07,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-13 22:07:07,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:07:10,579 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2021-07-13 22:07:11,345 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 176 [2021-07-13 22:07:11,912 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 179 [2021-07-13 22:07:12,494 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 179 [2021-07-13 22:07:13,264 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 114 [2021-07-13 22:07:13,882 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-13 22:07:14,675 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 185 [2021-07-13 22:07:15,508 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 185 [2021-07-13 22:07:16,203 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-13 22:07:16,854 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-13 22:07:17,669 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 185 [2021-07-13 22:07:18,480 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 185 [2021-07-13 22:07:19,160 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-13 22:07:19,779 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-13 22:07:20,391 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-13 22:07:21,029 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-13 22:07:21,670 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-13 22:07:22,007 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2021-07-13 22:07:22,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:07:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:07:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:07:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:07:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:07:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:07:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:07:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:07:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:07:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:07:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:07:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:07:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:07:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:07:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:07:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:07:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:07:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:07:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:07:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:07:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:07:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:07:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:07:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:07:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:07:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:07:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:07:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:07:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:07:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:07:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:07:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:07:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:07:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:07:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:07:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:07:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:07:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:07:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 22:07:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-13 22:07:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-13 22:07:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:07:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:07:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-13 22:07:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:07:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:07:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-13 22:07:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-13 22:07:22,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-13 22:07:22,370 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable592,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:07:22,371 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:07:22,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:07:22,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1540829632, now seen corresponding path program 47 times [2021-07-13 22:07:22,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:07:22,371 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035003747] [2021-07-13 22:07:22,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:07:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:07:23,158 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 17 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:07:23,158 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:07:23,158 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035003747] [2021-07-13 22:07:23,158 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035003747] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:07:23,158 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315511645] [2021-07-13 22:07:23,158 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:07:23,225 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-07-13 22:07:23,225 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:07:23,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 74 conjunts are in the unsatisfiable core [2021-07-13 22:07:23,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:07:24,082 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 7 treesize of output 5 [2021-07-13 22:07:24,083 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:07:24,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:07:24,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-13 22:07:24,086 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:07:24,088 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 22:07:24,089 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 22:07:24,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:07:24,091 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 16 treesize of output 12 [2021-07-13 22:07:24,092 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 22:07:24,094 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 22:07:24,094 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 22:07:24,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-13 22:07:24,097 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 22:07:24,119 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-13 22:07:24,119 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:07:24,120 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-13 22:07:24,120 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-13 22:07:24,180 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 17 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:07:24,180 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315511645] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:07:24,180 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:07:24,180 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 55 [2021-07-13 22:07:24,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939708879] [2021-07-13 22:07:24,181 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-13 22:07:24,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:07:24,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-13 22:07:24,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2829, Unknown=0, NotChecked=0, Total=2970 [2021-07-13 22:07:24,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:07:24,181 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:07:24,181 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 55 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:07:24,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:07:24,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:07:24,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:07:24,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:07:24,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:07:24,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:07:24,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:07:24,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 22:07:24,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-13 22:07:24,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-13 22:07:24,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:07:24,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:07:24,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-13 22:07:24,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:07:24,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:07:24,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-13 22:07:24,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-13 22:07:24,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-13 22:07:24,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:07:26,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:07:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:07:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:07:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:07:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:07:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:07:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:07:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:07:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:07:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:07:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:07:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:07:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:07:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:07:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:07:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:07:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:07:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:07:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:07:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:07:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:07:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:07:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:07:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:07:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:07:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:07:26,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:07:26,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:07:26,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:07:26,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:07:26,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:07:26,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:07:26,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:07:26,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:07:26,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:07:26,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:07:26,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:07:26,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:07:26,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 22:07:26,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-13 22:07:26,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-13 22:07:26,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:07:26,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:07:26,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-13 22:07:26,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:07:26,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:07:26,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-13 22:07:26,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-13 22:07:26,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-13 22:07:26,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-13 22:07:27,131 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable639 [2021-07-13 22:07:27,131 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:07:27,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:07:27,132 INFO L82 PathProgramCache]: Analyzing trace with hash -2059309058, now seen corresponding path program 48 times [2021-07-13 22:07:27,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:07:27,132 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568956224] [2021-07-13 22:07:27,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:07:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:07:27,970 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:07:27,970 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:07:27,970 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568956224] [2021-07-13 22:07:27,970 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568956224] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:07:27,970 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954974114] [2021-07-13 22:07:27,970 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:07:28,048 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-07-13 22:07:28,048 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:07:28,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 76 conjunts are in the unsatisfiable core [2021-07-13 22:07:28,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:07:28,916 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:07:28,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-13 22:07:28,918 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:07:28,920 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 16 treesize of output 12 [2021-07-13 22:07:28,920 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:07:28,938 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-13 22:07:28,938 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:07:28,939 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:07:28,939 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-13 22:07:28,992 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:07:28,992 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954974114] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:07:28,992 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:07:28,992 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 55 [2021-07-13 22:07:28,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807300553] [2021-07-13 22:07:28,993 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-13 22:07:28,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:07:28,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-13 22:07:28,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2829, Unknown=0, NotChecked=0, Total=2970 [2021-07-13 22:07:28,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:07:28,993 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:07:28,993 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 55 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:07:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:07:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:07:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:07:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:07:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:07:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:07:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:07:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:07:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:07:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:07:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 22:07:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-13 22:07:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-13 22:07:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:07:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:07:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-13 22:07:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:07:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:07:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-13 22:07:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-13 22:07:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-13 22:07:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-13 22:07:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:07:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:07:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:07:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:07:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:07:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:07:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:07:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:07:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:07:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:07:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:07:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:07:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:07:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:07:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:07:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:07:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:07:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:07:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:07:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:07:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:07:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:07:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:07:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-13 22:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-13 22:07:30,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:07:30,645 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable645,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:07:30,645 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:07:30,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:07:30,646 INFO L82 PathProgramCache]: Analyzing trace with hash 552669356, now seen corresponding path program 49 times [2021-07-13 22:07:30,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:07:30,646 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199215703] [2021-07-13 22:07:30,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:07:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:07:32,495 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:07:32,495 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:07:32,495 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199215703] [2021-07-13 22:07:32,495 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199215703] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:07:32,495 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659613634] [2021-07-13 22:07:32,495 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:07:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:07:32,563 WARN L261 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 209 conjunts are in the unsatisfiable core [2021-07-13 22:07:32,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:07:35,063 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-07-13 22:07:35,995 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-07-13 22:07:36,784 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-13 22:07:37,459 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-13 22:07:38,164 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-13 22:07:38,922 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-13 22:07:39,548 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-13 22:07:40,142 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-13 22:07:40,875 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-13 22:07:41,514 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-13 22:07:42,122 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-13 22:07:42,906 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-13 22:07:43,529 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-13 22:07:44,250 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-13 22:07:44,902 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-13 22:07:45,543 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-13 22:07:46,339 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-13 22:07:46,981 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-13 22:07:47,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:07:47,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,212 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:07:47,265 INFO L244 Elim1Store]: Index analysis took 201 ms [2021-07-13 22:07:47,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 203 treesize of output 133 [2021-07-13 22:07:47,272 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:07:47,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 22:07:47,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 22:07:47,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 131 [2021-07-13 22:07:47,371 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 22:07:47,386 INFO L628 ElimStorePlain]: treesize reduction 249, result has 4.2 percent of original size [2021-07-13 22:07:47,386 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-13 22:07:47,387 INFO L518 ElimStorePlain]: Eliminatee v_prenex_203 vanished before elimination [2021-07-13 22:07:47,387 INFO L518 ElimStorePlain]: Eliminatee v_prenex_204 vanished before elimination [2021-07-13 22:07:47,387 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:07:47,387 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:635, output treesize:11 [2021-07-13 22:07:47,396 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:07:47,397 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659613634] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:07:47,397 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:07:47,397 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 38] total 73 [2021-07-13 22:07:47,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570617284] [2021-07-13 22:07:47,397 INFO L462 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-07-13 22:07:47,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:07:47,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-07-13 22:07:47,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=5078, Unknown=0, NotChecked=0, Total=5256 [2021-07-13 22:07:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:07:47,398 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:07:47,398 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 73 states, 73 states have (on average 1.095890410958904) internal successors, (80), 73 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:07:47,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:07:47,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:07:47,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:07:47,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:07:47,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:07:47,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:07:47,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 22:07:47,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:07:47,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:07:47,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:07:47,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:07:47,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:07:47,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:07:47,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:07:47,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:07:47,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:07:47,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:07:47,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:07:47,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 22:07:47,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-13 22:07:47,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:07:47,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:07:47,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-13 22:07:47,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:07:51,259 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 105 [2021-07-13 22:07:52,733 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2021-07-13 22:07:53,792 WARN L205 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2021-07-13 22:07:54,903 WARN L205 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2021-07-13 22:07:55,341 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-13 22:07:55,542 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable647 [2021-07-13 22:07:55,543 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:626) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:153) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:104) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:193) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:509) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 52 more [2021-07-13 22:07:55,546 INFO L168 Benchmark]: Toolchain (without parser) took 289598.95 ms. Allocated memory was 255.9 MB in the beginning and 562.0 MB in the end (delta: 306.2 MB). Free memory was 235.1 MB in the beginning and 326.9 MB in the end (delta: -91.8 MB). Peak memory consumption was 215.0 MB. Max. memory is 8.0 GB. [2021-07-13 22:07:55,546 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 255.9 MB. Free memory is still 236.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-13 22:07:55,547 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.11 ms. Allocated memory is still 255.9 MB. Free memory was 235.1 MB in the beginning and 233.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-13 22:07:55,547 INFO L168 Benchmark]: Boogie Preprocessor took 26.71 ms. Allocated memory is still 255.9 MB. Free memory was 233.6 MB in the beginning and 232.7 MB in the end (delta: 907.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-13 22:07:55,547 INFO L168 Benchmark]: RCFGBuilder took 350.87 ms. Allocated memory is still 255.9 MB. Free memory was 232.5 MB in the beginning and 215.7 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-07-13 22:07:55,547 INFO L168 Benchmark]: TraceAbstraction took 289198.38 ms. Allocated memory was 255.9 MB in the beginning and 562.0 MB in the end (delta: 306.2 MB). Free memory was 215.2 MB in the beginning and 326.9 MB in the end (delta: -111.8 MB). Peak memory consumption was 195.1 MB. Max. memory is 8.0 GB. [2021-07-13 22:07:55,547 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 255.9 MB. Free memory is still 236.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 19.11 ms. Allocated memory is still 255.9 MB. Free memory was 235.1 MB in the beginning and 233.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.71 ms. Allocated memory is still 255.9 MB. Free memory was 233.6 MB in the beginning and 232.7 MB in the end (delta: 907.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 350.87 ms. Allocated memory is still 255.9 MB. Free memory was 232.5 MB in the beginning and 215.7 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 289198.38 ms. Allocated memory was 255.9 MB in the beginning and 562.0 MB in the end (delta: 306.2 MB). Free memory was 215.2 MB in the beginning and 326.9 MB in the end (delta: -111.8 MB). Peak memory consumption was 195.1 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...