/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 01:29:02,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 01:29:02,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 01:29:02,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 01:29:02,944 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2021-07-10 01:29:02,960 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 01:29:02,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 01:29:02,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 01:29:02,960 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 01:29:02,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 01:29:02,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 01:29:02,962 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 01:29:02,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 01:29:02,962 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 01:29:02,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 01:29:02,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 01:29:02,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 01:29:02,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 01:29:02,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 01:29:02,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 01:29:02,963 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 01:29:02,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 01:29:02,963 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 01:29:02,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 01:29:02,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 01:29:02,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 01:29:02,963 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 01:29:02,964 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 01:29:02,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 01:29:02,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 01:29:02,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 01:29:02,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 01:29:02,964 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 01:29:02,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 01:29:02,964 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 01:29:02,965 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 01:29:02,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 01:29:02,965 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-10 01:29:02,965 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 01:29:03,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 01:29:03,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 01:29:03,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 01:29:03,270 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 01:29:03,271 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 01:29:03,271 INFO L432 ainManager$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 [2021-07-10 01:29:03,272 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl' [2021-07-10 01:29:03,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 01:29:03,301 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 01:29:03,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 01:29:03,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 01:29:03,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 01:29:03,326 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 10.07 01:29:03" (1/1) ... [2021-07-10 01:29:03,333 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 10.07 01:29:03" (1/1) ... [2021-07-10 01:29:03,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 01:29:03,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 01:29:03,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 01:29:03,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 01:29:03,347 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 10.07 01:29:03" (1/1) ... [2021-07-10 01:29:03,348 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 10.07 01:29:03" (1/1) ... [2021-07-10 01:29:03,352 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 10.07 01:29:03" (1/1) ... [2021-07-10 01:29:03,352 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 10.07 01:29:03" (1/1) ... [2021-07-10 01:29:03,357 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 10.07 01:29:03" (1/1) ... [2021-07-10 01:29:03,359 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 10.07 01:29:03" (1/1) ... [2021-07-10 01:29:03,360 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 10.07 01:29:03" (1/1) ... [2021-07-10 01:29:03,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 01:29:03,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 01:29:03,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 01:29:03,362 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 01:29:03,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:29:03" (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 [2021-07-10 01:29:03,438 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 01:29:03,438 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 01:29:03,439 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 01:29:03,439 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 01:29:03,439 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 01:29:03,439 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 01:29:03,439 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 01:29:03,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 01:29:03,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 01:29:03,441 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 01:29:03,711 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 01:29:03,711 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 01:29:03,712 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 01:29:03,712 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-10 01:29:03,713 INFO L202 PluginConnector]: Adding new model array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:29:03 BoogieIcfgContainer [2021-07-10 01:29:03,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 01:29:03,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 01:29:03,715 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 01:29:03,717 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 01:29:03,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:29:03" (1/2) ... [2021-07-10 01:29:03,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c3a972 and model type array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 01:29:03, skipping insertion in model container [2021-07-10 01:29:03,718 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 10.07 01:29:03" (2/2) ... [2021-07-10 01:29:03,719 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-symm.wvr.bpl [2021-07-10 01:29:03,723 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 01:29:03,723 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 01:29:03,723 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 01:29:03,724 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 01:29:03,772 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 01:29:03,788 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 [2021-07-10 01:29:03,881 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 01:29:03,881 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 01:29:03,882 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 01:29:03,883 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 01:29:03,883 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 01:29:03,883 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 01:29:03,883 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 01:29:03,883 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 01:29:03,918 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:03,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:03,927 INFO L82 PathProgramCache]: Analyzing trace with hash -580385302, now seen corresponding path program 1 times [2021-07-10 01:29:03,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:03,933 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718907495] [2021-07-10 01:29:03,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:04,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:04,105 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:04,105 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718907495] [2021-07-10 01:29:04,105 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718907495] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 01:29:04,105 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 01:29:04,106 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 01:29:04,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936564825] [2021-07-10 01:29:04,109 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 01:29:04,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:04,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 01:29:04,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 01:29:04,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:04,123 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:04,135 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) [2021-07-10 01:29:04,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:04,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:04,179 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 01:29:04,179 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:04,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:04,184 INFO L82 PathProgramCache]: Analyzing trace with hash -845334464, now seen corresponding path program 1 times [2021-07-10 01:29:04,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:04,184 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552504987] [2021-07-10 01:29:04,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:04,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:04,265 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:04,265 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552504987] [2021-07-10 01:29:04,266 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552504987] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 01:29:04,266 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 01:29:04,266 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-10 01:29:04,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266019088] [2021-07-10 01:29:04,267 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 01:29:04,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:04,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 01:29:04,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-10 01:29:04,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:04,268 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:04,268 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) [2021-07-10 01:29:04,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:04,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:04,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:04,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:04,317 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 01:29:04,317 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:04,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:04,318 INFO L82 PathProgramCache]: Analyzing trace with hash -906160642, now seen corresponding path program 1 times [2021-07-10 01:29:04,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:04,318 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534214235] [2021-07-10 01:29:04,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:04,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:04,364 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:04,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534214235] [2021-07-10 01:29:04,364 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534214235] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:04,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233098135] [2021-07-10 01:29:04,365 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 [2021-07-10 01:29:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:04,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-10 01:29:04,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:04,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:04,507 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233098135] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:04,508 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:04,508 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-10 01:29:04,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61725580] [2021-07-10 01:29:04,508 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 01:29:04,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:04,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 01:29:04,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 01:29:04,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:04,509 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:04,509 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) [2021-07-10 01:29:04,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:04,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:04,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:04,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:04,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:04,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:04,791 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:04,791 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:04,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:04,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1940531884, now seen corresponding path program 1 times [2021-07-10 01:29:04,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:04,795 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303695730] [2021-07-10 01:29:04,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:05,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:05,185 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:05,186 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303695730] [2021-07-10 01:29:05,186 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303695730] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:05,186 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827793225] [2021-07-10 01:29:05,186 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 [2021-07-10 01:29:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:05,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 01:29:05,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:05,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:05,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:05,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:29:05,696 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:05,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:05,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-10 01:29:05,703 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:05,716 INFO L628 ElimStorePlain]: treesize reduction 79, result has 12.2 percent of original size [2021-07-10 01:29:05,716 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:29:05,716 INFO L518 ElimStorePlain]: Eliminatee v_prenex_3 vanished before elimination [2021-07-10 01:29:05,717 INFO L518 ElimStorePlain]: Eliminatee v_prenex_4 vanished before elimination [2021-07-10 01:29:05,718 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:29:05,718 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:107, output treesize:11 [2021-07-10 01:29:05,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:05,755 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827793225] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:05,755 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:05,755 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-07-10 01:29:05,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76500846] [2021-07-10 01:29:05,756 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 01:29:05,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:05,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 01:29:05,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-07-10 01:29:05,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:05,757 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:05,757 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) [2021-07-10 01:29:05,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:05,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:05,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:05,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:05,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:05,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:05,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:05,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:06,155 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:06,158 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:06,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:06,159 INFO L82 PathProgramCache]: Analyzing trace with hash -6313026, now seen corresponding path program 2 times [2021-07-10 01:29:06,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:06,160 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594192849] [2021-07-10 01:29:06,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:06,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:06,254 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:06,254 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594192849] [2021-07-10 01:29:06,255 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594192849] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:06,255 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437124225] [2021-07-10 01:29:06,255 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 [2021-07-10 01:29:06,286 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:29:06,286 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:06,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-10 01:29:06,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:06,370 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:06,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:29:06,372 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:06,374 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:29:06,375 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:06,378 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:06,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:29:06,379 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:06,382 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 7 treesize of output 5 [2021-07-10 01:29:06,383 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:06,385 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:29:06,386 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:06,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:29:06,390 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:06,412 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-10 01:29:06,412 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:29:06,413 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:29:06,414 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 01:29:06,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:06,441 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437124225] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:06,442 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:06,442 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-10 01:29:06,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58691367] [2021-07-10 01:29:06,442 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 01:29:06,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:06,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 01:29:06,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-10 01:29:06,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:06,443 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:06,443 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) [2021-07-10 01:29:06,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:06,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:06,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:06,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:06,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:06,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:06,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:06,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:06,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:06,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:06,802 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:06,802 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:06,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:06,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1891924544, now seen corresponding path program 3 times [2021-07-10 01:29:06,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:06,803 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152537349] [2021-07-10 01:29:06,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:06,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:06,855 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:06,855 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152537349] [2021-07-10 01:29:06,855 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152537349] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:06,855 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598646779] [2021-07-10 01:29:06,855 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 [2021-07-10 01:29:06,882 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-10 01:29:06,883 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:06,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-10 01:29:06,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:06,957 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:06,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:29:06,959 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:06,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:29:06,961 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:06,975 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 01:29:06,975 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:29:06,976 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:29:06,976 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 01:29:06,993 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:06,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598646779] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:06,993 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:06,993 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-10 01:29:06,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641569487] [2021-07-10 01:29:06,994 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 01:29:06,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:06,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 01:29:06,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-10 01:29:06,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:06,994 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:06,995 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) [2021-07-10 01:29:06,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:06,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:06,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:06,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:06,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:06,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:07,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:07,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:07,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:07,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:07,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:07,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:07,290 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-07-10 01:29:07,290 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:07,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:07,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1446621994, now seen corresponding path program 4 times [2021-07-10 01:29:07,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:07,291 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702331022] [2021-07-10 01:29:07,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:07,667 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:07,667 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:07,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702331022] [2021-07-10 01:29:07,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702331022] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:07,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32881181] [2021-07-10 01:29:07,668 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 [2021-07-10 01:29:07,697 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:29:07,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:07,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-10 01:29:07,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:08,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:08,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:08,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:08,032 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 [2021-07-10 01:29:08,034 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:08,049 INFO L628 ElimStorePlain]: treesize reduction 111, result has 9.0 percent of original size [2021-07-10 01:29:08,049 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 01:29:08,049 INFO L518 ElimStorePlain]: Eliminatee v_prenex_10 vanished before elimination [2021-07-10 01:29:08,049 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:29:08,050 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:29:08,050 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:140, output treesize:11 [2021-07-10 01:29:08,073 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:08,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32881181] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:08,073 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:08,073 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2021-07-10 01:29:08,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095705340] [2021-07-10 01:29:08,074 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 01:29:08,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:08,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 01:29:08,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-07-10 01:29:08,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:08,075 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:08,075 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) [2021-07-10 01:29:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:08,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:08,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:08,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:08,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:08,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:08,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:08,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:08,836 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:08,836 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:08,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:08,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1862349568, now seen corresponding path program 5 times [2021-07-10 01:29:08,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:08,837 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919653823] [2021-07-10 01:29:08,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:08,908 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:08,909 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:08,909 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919653823] [2021-07-10 01:29:08,909 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919653823] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:08,909 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362785232] [2021-07-10 01:29:08,909 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 [2021-07-10 01:29:08,939 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-10 01:29:08,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:08,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-10 01:29:08,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:09,028 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 [2021-07-10 01:29:09,029 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:09,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:09,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:29:09,033 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:09,035 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 [2021-07-10 01:29:09,036 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:09,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:09,039 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 [2021-07-10 01:29:09,039 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:09,041 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:29:09,042 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:09,044 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 [2021-07-10 01:29:09,045 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:09,066 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-10 01:29:09,066 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:29:09,067 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:29:09,067 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 01:29:09,092 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:09,092 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362785232] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:09,092 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:09,093 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-07-10 01:29:09,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934687012] [2021-07-10 01:29:09,093 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 01:29:09,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:09,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 01:29:09,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-10 01:29:09,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:09,094 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:09,094 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) [2021-07-10 01:29:09,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:09,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:09,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:09,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:09,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:09,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:09,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:09,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:09,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:09,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:09,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:09,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:09,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:09,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:09,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:09,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:09,569 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-07-10 01:29:09,570 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:09,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:09,570 INFO L82 PathProgramCache]: Analyzing trace with hash -757032642, now seen corresponding path program 6 times [2021-07-10 01:29:09,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:09,570 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399706304] [2021-07-10 01:29:09,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:09,639 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:09,640 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:09,640 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399706304] [2021-07-10 01:29:09,640 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399706304] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:09,640 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097141763] [2021-07-10 01:29:09,640 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 [2021-07-10 01:29:09,675 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-10 01:29:09,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:09,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-10 01:29:09,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:09,752 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:09,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:29:09,753 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:09,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:29:09,756 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:09,770 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 01:29:09,770 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:29:09,771 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:29:09,771 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 01:29:09,789 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:09,789 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097141763] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:09,789 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:09,789 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-07-10 01:29:09,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153828950] [2021-07-10 01:29:09,790 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 01:29:09,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:09,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 01:29:09,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-10 01:29:09,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:09,790 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:09,791 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) [2021-07-10 01:29:09,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:09,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:09,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:09,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:09,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:09,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:09,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:09,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:09,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:09,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:09,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:09,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:09,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:09,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:09,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:09,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:09,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:09,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:10,117 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-07-10 01:29:10,117 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:10,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:10,118 INFO L82 PathProgramCache]: Analyzing trace with hash -2026434708, now seen corresponding path program 7 times [2021-07-10 01:29:10,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:10,118 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919439208] [2021-07-10 01:29:10,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:10,748 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:10,748 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:10,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919439208] [2021-07-10 01:29:10,748 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919439208] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:10,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604098909] [2021-07-10 01:29:10,748 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 [2021-07-10 01:29:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:10,784 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-10 01:29:10,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:11,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:11,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:11,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:11,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:11,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:11,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:11,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-07-10 01:29:11,362 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:11,379 INFO L628 ElimStorePlain]: treesize reduction 133, result has 7.6 percent of original size [2021-07-10 01:29:11,380 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:29:11,380 INFO L518 ElimStorePlain]: Eliminatee v_prenex_16 vanished before elimination [2021-07-10 01:29:11,380 INFO L518 ElimStorePlain]: Eliminatee v_prenex_15 vanished before elimination [2021-07-10 01:29:11,380 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:29:11,380 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:173, output treesize:11 [2021-07-10 01:29:11,421 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:11,421 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604098909] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:11,421 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:11,421 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-07-10 01:29:11,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118891608] [2021-07-10 01:29:11,422 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-10 01:29:11,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:11,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-10 01:29:11,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-07-10 01:29:11,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:11,422 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:11,422 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) [2021-07-10 01:29:11,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:11,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:11,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:11,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:11,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:11,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:11,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:11,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:11,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:11,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:12,144 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-07-10 01:29:12,372 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 83 [2021-07-10 01:29:12,598 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 86 [2021-07-10 01:29:13,066 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 98 [2021-07-10 01:29:13,248 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-07-10 01:29:13,703 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 100 [2021-07-10 01:29:13,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:13,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:13,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:13,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:13,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:13,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:13,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:13,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:13,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:13,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:14,082 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:14,083 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:14,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:14,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1571774206, now seen corresponding path program 8 times [2021-07-10 01:29:14,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:14,084 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451750574] [2021-07-10 01:29:14,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:14,205 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:14,205 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:14,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451750574] [2021-07-10 01:29:14,205 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451750574] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:14,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098986477] [2021-07-10 01:29:14,205 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 [2021-07-10 01:29:14,237 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:29:14,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:14,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 01:29:14,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:14,377 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 [2021-07-10 01:29:14,378 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:14,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:14,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:29:14,382 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:14,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:29:14,385 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:14,387 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:29:14,388 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:14,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:14,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:29:14,391 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:14,393 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:29:14,395 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:14,414 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-10 01:29:14,414 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:29:14,415 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:29:14,415 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 01:29:14,449 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:14,449 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098986477] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:14,450 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:14,450 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-07-10 01:29:14,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888163078] [2021-07-10 01:29:14,451 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 01:29:14,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:14,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 01:29:14,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-10 01:29:14,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:14,452 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:14,452 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) [2021-07-10 01:29:14,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:14,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:14,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:14,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:14,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:14,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:14,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:14,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:14,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:14,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:14,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:14,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:14,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:14,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:14,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:14,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:14,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:14,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:14,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:14,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:14,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:14,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:14,990 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-07-10 01:29:14,991 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:14,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:14,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1975304320, now seen corresponding path program 9 times [2021-07-10 01:29:14,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:14,992 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191767783] [2021-07-10 01:29:14,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:15,086 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:15,086 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:15,086 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191767783] [2021-07-10 01:29:15,086 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191767783] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:15,087 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953512365] [2021-07-10 01:29:15,087 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 [2021-07-10 01:29:15,120 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 01:29:15,120 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:15,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 01:29:15,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:15,222 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:15,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:29:15,223 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:15,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:29:15,227 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:15,242 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 01:29:15,242 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:29:15,242 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:29:15,242 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 01:29:15,262 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:15,263 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953512365] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:15,263 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:15,263 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-07-10 01:29:15,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918356938] [2021-07-10 01:29:15,264 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 01:29:15,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:15,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 01:29:15,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-10 01:29:15,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:15,264 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:15,264 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) [2021-07-10 01:29:15,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:15,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:15,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:15,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:15,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:15,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:15,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:15,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:15,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:15,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:15,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:15,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:15,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:15,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:15,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:15,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:15,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:15,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:15,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:15,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:15,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:15,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:15,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:15,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:15,638 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2021-07-10 01:29:15,638 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:15,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:15,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1071632490, now seen corresponding path program 10 times [2021-07-10 01:29:15,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:15,639 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685756290] [2021-07-10 01:29:15,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:16,330 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:16,331 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:16,331 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685756290] [2021-07-10 01:29:16,331 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685756290] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:16,331 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807091782] [2021-07-10 01:29:16,331 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 [2021-07-10 01:29:16,364 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:29:16,364 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:16,365 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 53 conjunts are in the unsatisfiable core [2021-07-10 01:29:16,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:17,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:17,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:17,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:17,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:17,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:17,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:17,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:17,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:17,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:17,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:17,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:17,230 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 [2021-07-10 01:29:17,232 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:17,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:17,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:17,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:17,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:17,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:17,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:17,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:17,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:17,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:17,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:17,245 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 [2021-07-10 01:29:17,248 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:17,297 INFO L628 ElimStorePlain]: treesize reduction 91, result has 47.4 percent of original size [2021-07-10 01:29:17,297 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:29:17,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:17,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:17,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:17,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:17,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:17,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:17,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:17,305 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 [2021-07-10 01:29:17,307 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:17,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:17,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:17,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:29:17,322 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:17,335 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:17,337 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:29:17,337 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:257, output treesize:22 [2021-07-10 01:29:17,385 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:17,385 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807091782] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:17,385 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:17,385 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 23 [2021-07-10 01:29:17,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672137018] [2021-07-10 01:29:17,386 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-10 01:29:17,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:17,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-10 01:29:17,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=458, Unknown=0, NotChecked=0, Total=506 [2021-07-10 01:29:17,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:17,388 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:17,388 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) [2021-07-10 01:29:17,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:17,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:17,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:17,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:17,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:17,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:17,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:17,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:17,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:17,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:17,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:17,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:17,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:18,141 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2021-07-10 01:29:18,384 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 92 [2021-07-10 01:29:18,663 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 113 [2021-07-10 01:29:18,909 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 112 [2021-07-10 01:29:19,225 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 118 [2021-07-10 01:29:19,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:19,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:19,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:19,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:19,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:19,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:19,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:19,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:19,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:19,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:19,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:19,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:19,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:19,663 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2021-07-10 01:29:19,664 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:19,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:19,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1172390464, now seen corresponding path program 11 times [2021-07-10 01:29:19,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:19,664 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588239383] [2021-07-10 01:29:19,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:19,818 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:19,819 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:19,819 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588239383] [2021-07-10 01:29:19,819 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588239383] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:19,819 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161818139] [2021-07-10 01:29:19,819 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 [2021-07-10 01:29:19,853 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 01:29:19,853 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:19,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-10 01:29:19,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:20,011 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 [2021-07-10 01:29:20,013 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:20,015 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 [2021-07-10 01:29:20,016 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:20,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:29:20,019 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:20,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 01:29:20,023 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:20,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:20,026 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 16 treesize of output 12 [2021-07-10 01:29:20,027 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:20,029 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 17 treesize of output 13 [2021-07-10 01:29:20,030 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:20,056 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-10 01:29:20,056 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:29:20,057 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:29:20,057 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 01:29:20,090 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:20,090 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [161818139] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:20,090 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:20,090 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-07-10 01:29:20,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967735173] [2021-07-10 01:29:20,091 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 01:29:20,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:20,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 01:29:20,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-10 01:29:20,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:20,092 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:20,092 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) [2021-07-10 01:29:20,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:20,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:20,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:20,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:20,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:20,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:20,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:20,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:20,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:20,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:20,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:20,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:20,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:20,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:20,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:20,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:20,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:20,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:20,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:20,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:20,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:20,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:20,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:20,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:20,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:20,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:20,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:20,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:20,807 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2021-07-10 01:29:20,808 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:20,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:20,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1547858818, now seen corresponding path program 12 times [2021-07-10 01:29:20,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:20,808 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640913188] [2021-07-10 01:29:20,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:20,933 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:20,933 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:20,933 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640913188] [2021-07-10 01:29:20,933 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640913188] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:20,933 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516521645] [2021-07-10 01:29:20,933 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 [2021-07-10 01:29:20,967 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-10 01:29:20,967 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:20,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-10 01:29:20,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:21,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:21,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:29:21,097 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:21,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:29:21,099 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:21,113 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 01:29:21,113 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:29:21,114 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:29:21,114 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 01:29:21,135 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:21,135 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1516521645] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:21,135 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:21,135 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-07-10 01:29:21,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874364195] [2021-07-10 01:29:21,136 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 01:29:21,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:21,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 01:29:21,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-10 01:29:21,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:21,136 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:21,137 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) [2021-07-10 01:29:21,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:21,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:21,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:21,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:21,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:21,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:21,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:21,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:21,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:21,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:21,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:21,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:21,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:21,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:21,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:21,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:21,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:21,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:21,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:21,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:21,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:21,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:21,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:21,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:21,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:21,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:21,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:21,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:21,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:21,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:21,564 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:21,564 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:21,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:21,564 INFO L82 PathProgramCache]: Analyzing trace with hash -772242388, now seen corresponding path program 13 times [2021-07-10 01:29:21,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:21,564 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378109252] [2021-07-10 01:29:21,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:22,160 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:22,160 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:22,160 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378109252] [2021-07-10 01:29:22,160 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378109252] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:22,160 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066548377] [2021-07-10 01:29:22,161 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 [2021-07-10 01:29:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:22,196 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 65 conjunts are in the unsatisfiable core [2021-07-10 01:29:22,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:23,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:23,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:23,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:23,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:23,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:23,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:23,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:23,279 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:23,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:23,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:23,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:23,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:23,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:23,289 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 [2021-07-10 01:29:23,291 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:23,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:23,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:23,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:23,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:23,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:23,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:23,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:23,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:23,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:23,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:23,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:23,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:23,302 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 [2021-07-10 01:29:23,304 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:23,318 INFO L628 ElimStorePlain]: treesize reduction 117, result has 8.6 percent of original size [2021-07-10 01:29:23,318 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:29:23,318 INFO L518 ElimStorePlain]: Eliminatee v_prenex_34 vanished before elimination [2021-07-10 01:29:23,318 INFO L518 ElimStorePlain]: Eliminatee v_prenex_33 vanished before elimination [2021-07-10 01:29:23,319 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:29:23,319 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:239, output treesize:11 [2021-07-10 01:29:23,374 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:23,375 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066548377] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:23,375 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:23,375 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2021-07-10 01:29:23,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519669987] [2021-07-10 01:29:23,375 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-10 01:29:23,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:23,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-10 01:29:23,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-07-10 01:29:23,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:23,376 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:23,376 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) [2021-07-10 01:29:23,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:23,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:23,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:23,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:23,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:23,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:23,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:23,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:23,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:23,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:23,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:23,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:23,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:23,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:23,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:23,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:25,055 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2021-07-10 01:29:25,243 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2021-07-10 01:29:25,436 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2021-07-10 01:29:25,640 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 87 [2021-07-10 01:29:25,828 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 108 [2021-07-10 01:29:26,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:26,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:26,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:26,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:26,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:26,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:26,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:26,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:26,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:26,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:26,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:26,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:26,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:26,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:26,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:26,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:29:26,209 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:26,209 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:26,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:26,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1797030462, now seen corresponding path program 14 times [2021-07-10 01:29:26,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:26,210 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98730790] [2021-07-10 01:29:26,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:26,363 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:26,364 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:26,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98730790] [2021-07-10 01:29:26,364 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98730790] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:26,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411798319] [2021-07-10 01:29:26,364 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 [2021-07-10 01:29:26,399 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:29:26,399 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:26,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-10 01:29:26,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:26,594 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 [2021-07-10 01:29:26,595 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:26,598 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 [2021-07-10 01:29:26,599 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:26,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:26,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:29:26,602 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:26,604 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 [2021-07-10 01:29:26,605 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:26,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:26,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:29:26,608 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:26,610 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 [2021-07-10 01:29:26,611 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:26,634 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-10 01:29:26,635 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:29:26,635 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:29:26,635 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 01:29:26,667 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:26,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411798319] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:26,667 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:26,667 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-07-10 01:29:26,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21946190] [2021-07-10 01:29:26,668 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-10 01:29:26,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:26,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-10 01:29:26,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-10 01:29:26,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:26,668 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:26,668 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) [2021-07-10 01:29:26,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:26,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:26,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:26,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:26,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:26,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:26,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:26,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:26,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:26,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:26,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:26,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:26,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:26,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:26,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:26,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:29:26,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:27,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:27,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:27,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:27,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:27,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:27,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:27,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:27,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:27,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:27,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:27,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:27,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:27,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:27,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:27,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:27,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:29:27,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:29:27,592 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2021-07-10 01:29:27,592 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:27,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:27,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1252553920, now seen corresponding path program 15 times [2021-07-10 01:29:27,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:27,593 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616169863] [2021-07-10 01:29:27,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:27,768 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:27,768 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:27,768 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616169863] [2021-07-10 01:29:27,768 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616169863] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:27,769 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577716362] [2021-07-10 01:29:27,769 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 [2021-07-10 01:29:27,811 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-10 01:29:27,811 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:27,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-10 01:29:27,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:28,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:28,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:29:28,004 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:28,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:29:28,007 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:28,022 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 01:29:28,023 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:29:28,023 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:29:28,023 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 01:29:28,049 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:28,049 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577716362] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:28,049 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:28,049 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-07-10 01:29:28,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050656737] [2021-07-10 01:29:28,050 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-10 01:29:28,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:28,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-10 01:29:28,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-10 01:29:28,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:28,050 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:28,051 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) [2021-07-10 01:29:28,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:28,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:28,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:28,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:28,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:28,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:28,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:28,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:28,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:28,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:28,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:28,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:28,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:28,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:28,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:28,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:29:28,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:29:28,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:28,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:28,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:28,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:28,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:28,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:28,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:28,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:28,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:28,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:28,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:28,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:28,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:28,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:28,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:28,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:28,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:29:28,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:29:28,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:28,573 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:28,573 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:28,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:28,573 INFO L82 PathProgramCache]: Analyzing trace with hash -207725142, now seen corresponding path program 16 times [2021-07-10 01:29:28,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:28,574 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451855140] [2021-07-10 01:29:28,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:29,135 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:29,135 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:29,135 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451855140] [2021-07-10 01:29:29,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451855140] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:29,136 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583138931] [2021-07-10 01:29:29,136 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 [2021-07-10 01:29:29,172 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:29:29,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:29,174 WARN L261 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 77 conjunts are in the unsatisfiable core [2021-07-10 01:29:29,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:30,455 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2021-07-10 01:29:30,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:30,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:30,743 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 [2021-07-10 01:29:30,745 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:30,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:30,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:30,758 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 [2021-07-10 01:29:30,761 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:30,773 INFO L628 ElimStorePlain]: treesize reduction 132, result has 7.7 percent of original size [2021-07-10 01:29:30,773 INFO L518 ElimStorePlain]: Eliminatee v_prenex_43 vanished before elimination [2021-07-10 01:29:30,773 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:29:30,773 INFO L518 ElimStorePlain]: Eliminatee v_prenex_44 vanished before elimination [2021-07-10 01:29:30,774 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:29:30,774 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:272, output treesize:11 [2021-07-10 01:29:30,782 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:30,783 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583138931] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:30,783 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:30,783 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 29 [2021-07-10 01:29:30,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986698111] [2021-07-10 01:29:30,784 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-10 01:29:30,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:30,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-10 01:29:30,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2021-07-10 01:29:30,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:30,785 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:30,785 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) [2021-07-10 01:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:30,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:30,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:33,109 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 60 [2021-07-10 01:29:33,303 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2021-07-10 01:29:33,520 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 94 [2021-07-10 01:29:33,761 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 94 [2021-07-10 01:29:34,014 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 94 [2021-07-10 01:29:34,229 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 94 [2021-07-10 01:29:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:34,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:34,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:34,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:34,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:29:34,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:29:34,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:34,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:29:34,616 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable122 [2021-07-10 01:29:34,617 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:34,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:34,617 INFO L82 PathProgramCache]: Analyzing trace with hash 2117195904, now seen corresponding path program 17 times [2021-07-10 01:29:34,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:34,617 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038952222] [2021-07-10 01:29:34,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:34,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:34,827 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:34,828 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:34,828 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038952222] [2021-07-10 01:29:34,828 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038952222] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:34,828 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051938655] [2021-07-10 01:29:34,828 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 [2021-07-10 01:29:34,870 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-10 01:29:34,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:34,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-10 01:29:34,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:35,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:35,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:29:35,099 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:35,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:35,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:29:35,104 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:35,106 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 [2021-07-10 01:29:35,107 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:35,109 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:29:35,110 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:35,111 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:29:35,112 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:35,114 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 [2021-07-10 01:29:35,115 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:35,134 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-10 01:29:35,134 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:29:35,135 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:29:35,135 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 01:29:35,168 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:35,168 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051938655] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:35,168 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:35,168 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-07-10 01:29:35,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904980664] [2021-07-10 01:29:35,168 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 01:29:35,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:35,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 01:29:35,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-10 01:29:35,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:35,169 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:35,169 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) [2021-07-10 01:29:35,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:35,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:35,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:35,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:35,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:29:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:29:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:29:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:36,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:36,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:36,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:36,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:36,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:36,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:36,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:36,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:36,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:36,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:29:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:29:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:29:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:29:36,242 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable145 [2021-07-10 01:29:36,242 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:36,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:36,242 INFO L82 PathProgramCache]: Analyzing trace with hash 2069360574, now seen corresponding path program 18 times [2021-07-10 01:29:36,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:36,242 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256803954] [2021-07-10 01:29:36,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:36,446 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:36,446 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:36,447 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256803954] [2021-07-10 01:29:36,447 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256803954] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:36,447 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324998203] [2021-07-10 01:29:36,447 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 [2021-07-10 01:29:36,493 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-10 01:29:36,493 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:36,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-10 01:29:36,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:36,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:36,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:29:36,707 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:36,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:29:36,710 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:36,726 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 01:29:36,726 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:29:36,726 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:29:36,726 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 01:29:36,755 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:36,755 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324998203] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:36,755 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:36,755 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-07-10 01:29:36,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403156828] [2021-07-10 01:29:36,756 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 01:29:36,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:36,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 01:29:36,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-10 01:29:36,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:36,757 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:36,757 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) [2021-07-10 01:29:36,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:36,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:36,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:36,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:36,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:36,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:36,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:36,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:36,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:36,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:36,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:36,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:36,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:36,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:36,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:36,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:29:36,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:29:36,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:36,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:29:36,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:29:36,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:37,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:29:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:29:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:29:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:29:37,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:37,392 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:37,393 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:37,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:37,393 INFO L82 PathProgramCache]: Analyzing trace with hash -307590932, now seen corresponding path program 19 times [2021-07-10 01:29:37,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:37,393 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619354768] [2021-07-10 01:29:37,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:38,033 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:38,033 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:38,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619354768] [2021-07-10 01:29:38,033 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619354768] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:38,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427583650] [2021-07-10 01:29:38,033 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 [2021-07-10 01:29:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:38,072 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 89 conjunts are in the unsatisfiable core [2021-07-10 01:29:38,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:38,925 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2021-07-10 01:29:39,135 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2021-07-10 01:29:40,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:40,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:40,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:40,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:40,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:40,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:40,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:40,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:40,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:40,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:40,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:40,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:40,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:40,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:40,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:40,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:40,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:40,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:40,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:40,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:40,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:40,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:40,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:40,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:40,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:40,052 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 [2021-07-10 01:29:40,054 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:40,077 INFO L628 ElimStorePlain]: treesize reduction 221, result has 4.7 percent of original size [2021-07-10 01:29:40,077 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:29:40,077 INFO L518 ElimStorePlain]: Eliminatee v_prenex_56 vanished before elimination [2021-07-10 01:29:40,077 INFO L518 ElimStorePlain]: Eliminatee v_prenex_55 vanished before elimination [2021-07-10 01:29:40,078 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:29:40,078 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:305, output treesize:11 [2021-07-10 01:29:40,122 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:40,122 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427583650] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:40,123 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:40,123 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 34 [2021-07-10 01:29:40,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824038703] [2021-07-10 01:29:40,123 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-10 01:29:40,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:40,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-10 01:29:40,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1041, Unknown=0, NotChecked=0, Total=1122 [2021-07-10 01:29:40,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:40,124 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:40,124 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) [2021-07-10 01:29:40,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:40,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:40,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:40,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:40,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:40,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:40,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:40,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:40,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:40,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:40,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:40,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:40,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:40,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:40,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:40,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:29:40,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:29:40,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:40,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:29:40,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:29:40,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:40,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:43,960 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2021-07-10 01:29:44,183 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2021-07-10 01:29:44,467 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2021-07-10 01:29:44,743 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 113 [2021-07-10 01:29:44,998 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 113 [2021-07-10 01:29:45,357 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 110 [2021-07-10 01:29:45,640 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 110 [2021-07-10 01:29:45,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:45,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:45,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:45,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:45,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:45,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:45,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:45,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:45,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:45,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:45,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:45,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:45,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:45,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:45,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:45,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:29:45,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:29:45,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:45,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:29:45,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:29:45,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:45,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:29:46,115 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:46,115 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:46,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:46,115 INFO L82 PathProgramCache]: Analyzing trace with hash -978643586, now seen corresponding path program 20 times [2021-07-10 01:29:46,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:46,116 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473762673] [2021-07-10 01:29:46,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:46,340 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:46,340 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:46,341 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473762673] [2021-07-10 01:29:46,341 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473762673] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:46,341 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392589152] [2021-07-10 01:29:46,341 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 [2021-07-10 01:29:46,378 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:29:46,379 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:46,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-10 01:29:46,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:46,644 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 [2021-07-10 01:29:46,645 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:46,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:46,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:29:46,649 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:46,651 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:29:46,651 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:46,653 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 [2021-07-10 01:29:46,654 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:46,656 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:29:46,656 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:46,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:29:46,659 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:46,678 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-10 01:29:46,678 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:29:46,679 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:29:46,679 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 01:29:46,715 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:46,715 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392589152] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:46,715 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:46,715 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-07-10 01:29:46,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228340760] [2021-07-10 01:29:46,715 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-10 01:29:46,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:46,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-10 01:29:46,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-07-10 01:29:46,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:46,716 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:46,716 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) [2021-07-10 01:29:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:46,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:46,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:46,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:46,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:46,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:46,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:46,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:46,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:46,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:29:46,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:29:46,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:46,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:29:46,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:29:46,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:46,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:29:46,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:47,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:47,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:47,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:47,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:47,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:47,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:47,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:47,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:47,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:29:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:29:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:29:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:29:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:29:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:29:47,926 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:47,926 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:47,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:47,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1833428480, now seen corresponding path program 21 times [2021-07-10 01:29:47,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:47,927 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865851162] [2021-07-10 01:29:47,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:48,151 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:48,152 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:48,152 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865851162] [2021-07-10 01:29:48,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865851162] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:48,152 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432532988] [2021-07-10 01:29:48,152 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 [2021-07-10 01:29:48,191 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 01:29:48,192 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:48,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-10 01:29:48,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:48,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:48,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:29:48,452 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:48,454 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 16 treesize of output 12 [2021-07-10 01:29:48,455 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:48,470 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 01:29:48,471 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:29:48,471 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:29:48,471 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 01:29:48,502 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:48,502 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432532988] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:48,503 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:48,503 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-07-10 01:29:48,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618923320] [2021-07-10 01:29:48,503 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-10 01:29:48,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:48,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-10 01:29:48,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-07-10 01:29:48,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:48,504 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:48,504 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) [2021-07-10 01:29:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:29:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:29:48,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:48,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:29:48,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:29:48,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:48,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:29:48,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:29:48,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:49,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:49,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:49,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:49,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:49,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:49,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:49,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:49,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:49,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:49,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:49,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:49,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:49,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:49,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:49,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:49,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:29:49,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:29:49,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:49,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:29:49,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:29:49,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:49,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:29:49,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:29:49,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:29:49,283 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:49,283 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:49,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:49,284 INFO L82 PathProgramCache]: Analyzing trace with hash 968448746, now seen corresponding path program 22 times [2021-07-10 01:29:49,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:49,284 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508424193] [2021-07-10 01:29:49,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:50,009 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:50,009 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:50,009 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508424193] [2021-07-10 01:29:50,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508424193] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:50,009 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565424061] [2021-07-10 01:29:50,009 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 [2021-07-10 01:29:50,049 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:29:50,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:50,050 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2021-07-10 01:29:50,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:51,090 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-10 01:29:51,311 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-10 01:29:51,544 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-10 01:29:51,764 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-10 01:29:51,994 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-10 01:29:52,209 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-10 01:29:52,449 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-10 01:29:52,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:52,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:52,550 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 [2021-07-10 01:29:52,553 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:52,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:52,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,576 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 [2021-07-10 01:29:52,579 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:52,591 INFO L628 ElimStorePlain]: treesize reduction 156, result has 6.6 percent of original size [2021-07-10 01:29:52,591 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:29:52,592 INFO L518 ElimStorePlain]: Eliminatee v_prenex_64 vanished before elimination [2021-07-10 01:29:52,592 INFO L518 ElimStorePlain]: Eliminatee v_prenex_63 vanished before elimination [2021-07-10 01:29:52,592 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:29:52,592 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:338, output treesize:11 [2021-07-10 01:29:52,601 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:52,601 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565424061] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:52,601 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:52,601 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 37 [2021-07-10 01:29:52,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065530045] [2021-07-10 01:29:52,602 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-10 01:29:52,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:52,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-10 01:29:52,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1244, Unknown=0, NotChecked=0, Total=1332 [2021-07-10 01:29:52,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:52,602 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:52,602 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) [2021-07-10 01:29:52,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:52,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:52,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:29:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:29:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:29:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:29:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:29:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:29:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:29:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:57,396 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 105 [2021-07-10 01:29:57,623 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-10 01:29:57,897 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-10 01:29:58,127 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-10 01:29:58,394 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2021-07-10 01:29:58,617 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-10 01:29:58,856 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-10 01:29:59,085 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 114 [2021-07-10 01:29:59,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:29:59,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:59,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:59,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:59,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:59,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:59,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:59,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:59,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:59,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:59,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:29:59,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:59,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:59,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:29:59,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:59,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:29:59,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:29:59,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:59,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:29:59,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:29:59,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:59,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:29:59,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:29:59,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:29:59,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:29:59,535 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:59,536 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:59,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:59,536 INFO L82 PathProgramCache]: Analyzing trace with hash -76119232, now seen corresponding path program 23 times [2021-07-10 01:29:59,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:59,536 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277175008] [2021-07-10 01:29:59,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:59,839 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:59,839 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:59,839 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277175008] [2021-07-10 01:29:59,839 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277175008] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:59,839 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365435170] [2021-07-10 01:29:59,839 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 [2021-07-10 01:29:59,882 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 01:29:59,882 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:59,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-10 01:29:59,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:30:00,232 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 [2021-07-10 01:30:00,233 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:00,236 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 [2021-07-10 01:30:00,237 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:00,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:00,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:30:00,241 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:00,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:00,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:30:00,246 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:00,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:30:00,249 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:00,252 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 [2021-07-10 01:30:00,253 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:00,285 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-10 01:30:00,285 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:30:00,286 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:30:00,286 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 01:30:00,338 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:00,338 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365435170] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:00,339 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:30:00,339 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-07-10 01:30:00,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70240898] [2021-07-10 01:30:00,339 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 01:30:00,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:30:00,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 01:30:00,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-07-10 01:30:00,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:00,340 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:30:00,340 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) [2021-07-10 01:30:00,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:30:00,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:00,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:00,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:00,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:00,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:00,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:00,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:30:00,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:30:00,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:00,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:00,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:00,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:00,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:30:00,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:00,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:30:00,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:30:00,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:00,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:30:00,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:30:00,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:00,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:30:00,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:30:00,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:00,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:30:00,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:01,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:30:01,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:01,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:01,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:01,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:01,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:01,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:01,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:30:01,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:30:01,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:01,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:01,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:01,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:01,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:30:01,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:01,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:30:01,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:30:01,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:01,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:30:01,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:30:01,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:01,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:30:01,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:30:01,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:01,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:30:01,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:30:01,768 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable217 [2021-07-10 01:30:01,769 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:30:01,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:30:01,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1198768894, now seen corresponding path program 24 times [2021-07-10 01:30:01,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:30:01,769 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347439162] [2021-07-10 01:30:01,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:30:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:30:02,048 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:02,048 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:30:02,048 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347439162] [2021-07-10 01:30:02,049 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347439162] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:02,049 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373966842] [2021-07-10 01:30:02,049 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 [2021-07-10 01:30:02,189 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-10 01:30:02,189 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:30:02,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-10 01:30:02,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:30:02,504 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:02,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:30:02,506 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:02,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:30:02,509 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:02,526 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 01:30:02,527 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:30:02,527 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:30:02,527 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 01:30:02,563 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:02,563 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373966842] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:02,563 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:30:02,563 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-07-10 01:30:02,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758919132] [2021-07-10 01:30:02,563 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 01:30:02,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:30:02,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 01:30:02,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-07-10 01:30:02,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:02,564 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:30:02,564 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) [2021-07-10 01:30:02,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:30:02,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:02,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:02,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:02,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:02,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:02,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:30:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:30:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:30:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:30:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:30:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:30:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:30:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:30:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:30:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:30:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:30:02,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:03,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:30:03,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:03,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:03,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:03,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:03,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:03,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:03,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:30:03,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:30:03,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:03,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:03,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:03,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:03,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:30:03,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:03,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:30:03,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:30:03,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:03,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:30:03,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:30:03,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:03,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:30:03,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:30:03,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:03,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:30:03,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:30:03,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:03,506 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable223 [2021-07-10 01:30:03,507 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:30:03,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:30:03,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1526129236, now seen corresponding path program 25 times [2021-07-10 01:30:03,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:30:03,507 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460376984] [2021-07-10 01:30:03,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:30:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:30:04,397 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:04,397 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:30:04,397 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460376984] [2021-07-10 01:30:04,397 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460376984] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:04,398 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754774013] [2021-07-10 01:30:04,398 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 [2021-07-10 01:30:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:30:04,443 WARN L261 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 113 conjunts are in the unsatisfiable core [2021-07-10 01:30:04,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:30:05,677 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-10 01:30:05,941 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 01:30:06,179 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-10 01:30:06,450 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 01:30:06,748 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 01:30:07,025 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 01:30:07,316 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 01:30:07,606 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 01:30:07,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:07,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:07,723 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 [2021-07-10 01:30:07,727 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:07,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:07,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:07,760 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 [2021-07-10 01:30:07,763 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:07,776 INFO L628 ElimStorePlain]: treesize reduction 167, result has 6.2 percent of original size [2021-07-10 01:30:07,777 INFO L518 ElimStorePlain]: Eliminatee v_prenex_80 vanished before elimination [2021-07-10 01:30:07,777 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:30:07,777 INFO L518 ElimStorePlain]: Eliminatee v_prenex_79 vanished before elimination [2021-07-10 01:30:07,777 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:30:07,777 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:371, output treesize:11 [2021-07-10 01:30:07,833 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:07,834 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754774013] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:07,834 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:30:07,834 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 42 [2021-07-10 01:30:07,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65486515] [2021-07-10 01:30:07,834 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-10 01:30:07,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:30:07,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-10 01:30:07,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1621, Unknown=0, NotChecked=0, Total=1722 [2021-07-10 01:30:07,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:07,835 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:30:07,835 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) [2021-07-10 01:30:07,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:30:07,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:07,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:07,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:07,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:07,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:07,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:07,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:30:07,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:30:07,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:07,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:07,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:07,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:07,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:30:07,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:07,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:30:07,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:30:07,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:07,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:30:07,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:30:07,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:07,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:30:07,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:30:07,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:07,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:30:07,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:30:07,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:07,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:13,002 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-07-10 01:30:14,669 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 124 [2021-07-10 01:30:15,035 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2021-07-10 01:30:15,598 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2021-07-10 01:30:15,987 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2021-07-10 01:30:16,365 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2021-07-10 01:30:16,758 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 165 [2021-07-10 01:30:17,183 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 127 [2021-07-10 01:30:17,607 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 165 [2021-07-10 01:30:17,998 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 127 [2021-07-10 01:30:18,212 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2021-07-10 01:30:18,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:30:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:30:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:30:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:30:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:30:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:30:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:30:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:30:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:30:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:30:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:18,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:30:18,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:30:18,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:18,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:30:18,516 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable225 [2021-07-10 01:30:18,517 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:30:18,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:30:18,517 INFO L82 PathProgramCache]: Analyzing trace with hash -98625346, now seen corresponding path program 26 times [2021-07-10 01:30:18,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:30:18,517 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505904843] [2021-07-10 01:30:18,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:30:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:30:18,826 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:18,826 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:30:18,826 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505904843] [2021-07-10 01:30:18,827 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505904843] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:18,827 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851662005] [2021-07-10 01:30:18,827 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 [2021-07-10 01:30:18,868 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:30:18,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:30:18,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-10 01:30:18,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:30:19,231 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 [2021-07-10 01:30:19,232 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:19,234 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 [2021-07-10 01:30:19,235 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:19,238 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 [2021-07-10 01:30:19,239 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:19,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:19,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:30:19,243 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:19,245 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 [2021-07-10 01:30:19,246 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:19,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:30:19,249 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:19,278 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-10 01:30:19,278 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:30:19,278 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:30:19,279 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 01:30:19,326 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:19,326 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851662005] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:19,326 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:30:19,326 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-07-10 01:30:19,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890548292] [2021-07-10 01:30:19,327 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-10 01:30:19,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:30:19,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-10 01:30:19,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-07-10 01:30:19,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:19,328 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:30:19,328 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) [2021-07-10 01:30:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:30:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:30:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:30:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:30:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:30:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:30:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:30:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:30:19,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:19,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:30:19,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:30:19,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:19,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:30:19,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:30:19,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:19,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:30:19,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:20,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:30:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:30:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:30:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:30:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:30:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:30:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:30:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:30:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:30:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:30:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:30:20,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:30:20,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:20,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:30:20,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:30:21,064 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable254 [2021-07-10 01:30:21,065 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:30:21,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:30:21,065 INFO L82 PathProgramCache]: Analyzing trace with hash 768200896, now seen corresponding path program 27 times [2021-07-10 01:30:21,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:30:21,065 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550483896] [2021-07-10 01:30:21,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:30:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:30:21,383 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:21,383 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:30:21,383 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550483896] [2021-07-10 01:30:21,383 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550483896] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:21,384 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887152661] [2021-07-10 01:30:21,384 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 [2021-07-10 01:30:21,430 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-10 01:30:21,430 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:30:21,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-10 01:30:21,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:30:21,709 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:21,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:30:21,710 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:21,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:30:21,711 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:21,721 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 01:30:21,721 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:30:21,722 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:30:21,722 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 01:30:21,745 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:21,746 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887152661] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:21,746 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:30:21,746 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-07-10 01:30:21,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134429575] [2021-07-10 01:30:21,746 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-10 01:30:21,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:30:21,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-10 01:30:21,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-07-10 01:30:21,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:21,747 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:30:21,747 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) [2021-07-10 01:30:21,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:30:21,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:21,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:21,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:21,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:21,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:21,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:21,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:30:21,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:30:21,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:21,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:21,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:21,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:21,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:30:21,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:21,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:30:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:30:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:30:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:30:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:30:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:30:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:30:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:30:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:30:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:30:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:22,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:30:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:30:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:30:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:30:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:30:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:30:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:30:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:30:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:30:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:30:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:30:22,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:30:22,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:22,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:30:22,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:30:22,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:22,468 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable260 [2021-07-10 01:30:22,468 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:30:22,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:30:22,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1988835286, now seen corresponding path program 28 times [2021-07-10 01:30:22,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:30:22,469 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923156547] [2021-07-10 01:30:22,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:30:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:30:23,898 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:23,898 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:30:23,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923156547] [2021-07-10 01:30:23,898 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923156547] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:23,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029644163] [2021-07-10 01:30:23,898 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 [2021-07-10 01:30:23,946 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:30:23,946 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:30:23,948 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 125 conjunts are in the unsatisfiable core [2021-07-10 01:30:23,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:30:25,387 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-10 01:30:25,716 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-10 01:30:26,000 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-10 01:30:26,291 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-10 01:30:26,609 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-10 01:30:26,938 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-10 01:30:27,307 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-10 01:30:27,666 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-10 01:30:28,002 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-10 01:30:28,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:28,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:28,166 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 [2021-07-10 01:30:28,170 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:28,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,211 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:28,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,216 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 [2021-07-10 01:30:28,219 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:28,308 INFO L628 ElimStorePlain]: treesize reduction 157, result has 48.5 percent of original size [2021-07-10 01:30:28,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,318 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:28,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:28,342 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 [2021-07-10 01:30:28,346 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:28,358 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:28,358 INFO L518 ElimStorePlain]: Eliminatee v_prenex_91 vanished before elimination [2021-07-10 01:30:28,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:28,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:30:28,363 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 01:30:28,375 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:28,376 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:30:28,377 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:521, output treesize:22 [2021-07-10 01:30:28,463 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:28,463 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029644163] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:28,463 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:30:28,464 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24] total 47 [2021-07-10 01:30:28,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663362580] [2021-07-10 01:30:28,464 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-10 01:30:28,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:30:28,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-10 01:30:28,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=2059, Unknown=0, NotChecked=0, Total=2162 [2021-07-10 01:30:28,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:28,465 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:30:28,465 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) [2021-07-10 01:30:28,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:30:28,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:28,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:28,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:28,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:28,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:28,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:28,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:30:28,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:30:28,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:28,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:28,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:28,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:28,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:30:28,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:28,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:30:28,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:30:28,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:28,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:30:28,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:30:28,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:28,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:30:28,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:30:28,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:28,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:30:28,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:30:28,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:28,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:30:28,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:30:28,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:28,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:30,670 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2021-07-10 01:30:31,072 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2021-07-10 01:30:31,450 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 132 [2021-07-10 01:30:31,958 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 149 [2021-07-10 01:30:32,356 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 105 [2021-07-10 01:30:32,792 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 105 [2021-07-10 01:30:33,236 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 147 [2021-07-10 01:30:33,705 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 144 [2021-07-10 01:30:34,138 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 104 [2021-07-10 01:30:34,596 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 109 [2021-07-10 01:30:35,030 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 106 [2021-07-10 01:30:35,465 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 149 [2021-07-10 01:30:35,876 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 149 [2021-07-10 01:30:36,177 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2021-07-10 01:30:36,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:30:36,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:36,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:36,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:36,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:36,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:36,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:36,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:30:36,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:30:36,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:36,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:36,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:36,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:36,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:30:36,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:36,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:30:36,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:30:36,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:36,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:30:36,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:30:36,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:36,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:30:36,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:30:36,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:36,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:30:36,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:30:36,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:36,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:30:36,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:30:36,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:36,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:30:36,552 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable262,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:30:36,552 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:30:36,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:30:36,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1557611008, now seen corresponding path program 29 times [2021-07-10 01:30:36,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:30:36,553 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834301679] [2021-07-10 01:30:36,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:30:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:30:36,918 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:36,918 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:30:36,918 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834301679] [2021-07-10 01:30:36,918 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834301679] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:36,918 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200145700] [2021-07-10 01:30:36,918 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 [2021-07-10 01:30:36,968 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-10 01:30:36,968 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:30:36,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-10 01:30:36,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:30:37,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:37,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:30:37,392 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:37,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:37,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:30:37,395 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:37,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:30:37,398 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:37,400 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:30:37,401 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:37,403 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 [2021-07-10 01:30:37,404 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:37,406 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:30:37,406 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:37,428 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-10 01:30:37,428 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:30:37,428 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:30:37,429 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 01:30:37,473 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:37,474 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200145700] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:37,474 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:30:37,474 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-07-10 01:30:37,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059059076] [2021-07-10 01:30:37,474 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-10 01:30:37,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:30:37,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-10 01:30:37,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-07-10 01:30:37,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:37,475 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:30:37,475 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) [2021-07-10 01:30:37,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:30:37,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:37,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:37,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:37,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:37,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:37,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:37,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:30:37,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:30:37,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:37,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:37,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:37,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:37,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:30:37,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:37,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:30:37,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:30:37,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:37,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:30:37,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:30:37,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:37,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:30:37,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:30:37,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:37,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:30:37,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:30:37,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:37,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:30:37,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:30:37,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:37,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:30:37,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:39,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:30:39,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:39,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:39,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:39,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:39,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:39,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:39,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:30:39,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:30:39,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:39,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:39,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:39,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:39,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:30:39,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:39,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:30:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:30:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:30:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:30:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:30:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:30:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:30:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:30:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:30:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:30:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:30:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:30:39,504 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable306,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:30:39,504 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:30:39,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:30:39,505 INFO L82 PathProgramCache]: Analyzing trace with hash -455801282, now seen corresponding path program 30 times [2021-07-10 01:30:39,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:30:39,505 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188615149] [2021-07-10 01:30:39,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:30:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:30:40,016 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:40,016 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:30:40,016 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188615149] [2021-07-10 01:30:40,016 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188615149] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:40,016 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842900526] [2021-07-10 01:30:40,016 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 [2021-07-10 01:30:40,081 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-10 01:30:40,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:30:40,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-10 01:30:40,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:30:40,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:40,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:30:40,492 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:40,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:30:40,495 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:40,509 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 01:30:40,509 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:30:40,510 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:30:40,510 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 01:30:40,546 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:40,547 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842900526] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:40,547 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:30:40,547 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-07-10 01:30:40,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103684085] [2021-07-10 01:30:40,547 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-10 01:30:40,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:30:40,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-10 01:30:40,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-07-10 01:30:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:40,548 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:30:40,548 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) [2021-07-10 01:30:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:30:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:30:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:30:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:30:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:30:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:30:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:30:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:30:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:30:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:30:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:30:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:30:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:30:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:30:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:30:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:30:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:30:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:30:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:30:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:30:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:30:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:30:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:30:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:30:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:30:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:30:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:30:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:30:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:30:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:30:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:30:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:30:41,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:30:41,562 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable313 [2021-07-10 01:30:41,563 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:30:41,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:30:41,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1278197140, now seen corresponding path program 31 times [2021-07-10 01:30:41,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:30:41,577 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266119803] [2021-07-10 01:30:41,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:30:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:30:42,973 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:42,973 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:30:42,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266119803] [2021-07-10 01:30:42,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266119803] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:42,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78584125] [2021-07-10 01:30:42,973 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 [2021-07-10 01:30:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:30:43,021 WARN L261 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 137 conjunts are in the unsatisfiable core [2021-07-10 01:30:43,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:30:44,769 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 01:30:45,096 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 01:30:45,466 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-10 01:30:45,800 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 01:30:46,215 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-10 01:30:46,588 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 01:30:46,992 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-10 01:30:47,414 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-10 01:30:47,796 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 01:30:48,128 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 01:30:48,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,220 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:48,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:48,277 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 [2021-07-10 01:30:48,282 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:48,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,315 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:48,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:48,327 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 [2021-07-10 01:30:48,331 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:48,345 INFO L628 ElimStorePlain]: treesize reduction 187, result has 5.6 percent of original size [2021-07-10 01:30:48,345 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:30:48,345 INFO L518 ElimStorePlain]: Eliminatee v_prenex_103 vanished before elimination [2021-07-10 01:30:48,345 INFO L518 ElimStorePlain]: Eliminatee v_prenex_104 vanished before elimination [2021-07-10 01:30:48,346 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:30:48,346 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:437, output treesize:11 [2021-07-10 01:30:48,430 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:48,430 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78584125] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:48,430 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:30:48,430 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 50 [2021-07-10 01:30:48,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907328122] [2021-07-10 01:30:48,431 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-07-10 01:30:48,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:30:48,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-07-10 01:30:48,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=2341, Unknown=0, NotChecked=0, Total=2450 [2021-07-10 01:30:48,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:48,432 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:30:48,432 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) [2021-07-10 01:30:48,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:30:48,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:48,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:48,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:48,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:48,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:48,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:48,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:30:48,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:30:48,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:48,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:48,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:48,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:48,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:30:48,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:48,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:30:48,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:30:48,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:48,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:30:48,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:30:48,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:48,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:30:48,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:30:48,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:48,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:30:48,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:30:48,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:48,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:30:48,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:30:48,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:48,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:30:48,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:30:48,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:30:48,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:51,307 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2021-07-10 01:30:51,817 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 94 [2021-07-10 01:30:52,356 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 142 [2021-07-10 01:30:52,933 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 155 [2021-07-10 01:30:53,540 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 158 [2021-07-10 01:30:54,167 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 158 [2021-07-10 01:30:54,827 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 158 [2021-07-10 01:30:55,496 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 156 [2021-07-10 01:30:56,155 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 159 [2021-07-10 01:30:57,168 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 158 [2021-07-10 01:30:57,857 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 158 [2021-07-10 01:30:58,572 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 158 [2021-07-10 01:30:59,247 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 204 [2021-07-10 01:30:59,906 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 204 [2021-07-10 01:31:00,308 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 99 [2021-07-10 01:31:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:31:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:31:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:31:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:31:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:31:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:31:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:31:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:31:00,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:00,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:31:00,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:31:00,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:00,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:31:00,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:31:00,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:00,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:31:00,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:31:00,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:00,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:31:00,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:31:00,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:00,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:31:00,706 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable315 [2021-07-10 01:31:00,706 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:31:00,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:31:00,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1002664962, now seen corresponding path program 32 times [2021-07-10 01:31:00,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:31:00,707 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168885641] [2021-07-10 01:31:00,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:31:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:31:01,134 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:31:01,134 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:31:01,134 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168885641] [2021-07-10 01:31:01,134 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168885641] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:31:01,134 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260003326] [2021-07-10 01:31:01,134 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 [2021-07-10 01:31:01,207 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:31:01,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:31:01,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-10 01:31:01,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:31:01,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 01:31:01,681 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:01,683 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 [2021-07-10 01:31:01,684 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:01,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:01,687 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 17 treesize of output 13 [2021-07-10 01:31:01,688 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:01,690 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:31:01,690 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:01,693 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:01,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:31:01,694 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:01,696 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 [2021-07-10 01:31:01,696 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:01,720 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-10 01:31:01,720 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:31:01,721 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:31:01,721 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 01:31:01,768 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:31:01,769 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260003326] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:31:01,769 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:31:01,769 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-07-10 01:31:01,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397078910] [2021-07-10 01:31:01,769 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-10 01:31:01,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:31:01,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-10 01:31:01,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-07-10 01:31:01,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:31:01,770 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:31:01,770 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) [2021-07-10 01:31:01,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:31:01,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:01,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:01,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:01,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:01,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:01,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:01,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:31:01,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:31:01,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:01,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:01,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:01,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:01,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:31:01,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:01,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:31:01,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:31:01,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:01,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:31:01,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:31:01,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:01,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:31:01,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:31:01,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:01,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:31:01,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:31:01,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:01,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:31:01,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:31:01,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:01,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:31:01,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:31:01,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:01,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:31:01,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:31:03,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:31:03,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:03,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:03,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:03,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:03,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:03,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:03,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:31:03,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:31:03,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:03,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:31:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:31:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:31:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:31:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:31:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:31:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:31:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:31:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:31:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:31:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:31:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:31:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:31:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:31:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:31:04,069 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable352 [2021-07-10 01:31:04,069 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:31:04,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:31:04,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1206301824, now seen corresponding path program 33 times [2021-07-10 01:31:04,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:31:04,069 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732295660] [2021-07-10 01:31:04,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:31:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:31:04,484 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:31:04,484 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:31:04,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732295660] [2021-07-10 01:31:04,484 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732295660] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:31:04,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242453313] [2021-07-10 01:31:04,484 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 [2021-07-10 01:31:04,536 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-10 01:31:04,536 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:31:04,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-10 01:31:04,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:31:05,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:05,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:31:05,006 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:05,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:31:05,011 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:05,026 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 01:31:05,026 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:31:05,027 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:31:05,027 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 01:31:05,065 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:31:05,066 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242453313] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:31:05,066 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:31:05,066 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-07-10 01:31:05,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786005701] [2021-07-10 01:31:05,066 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-10 01:31:05,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:31:05,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-10 01:31:05,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-07-10 01:31:05,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:31:05,067 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:31:05,067 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) [2021-07-10 01:31:05,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:31:05,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:05,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:05,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:05,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:05,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:05,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:05,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:31:05,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:31:05,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:05,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:05,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:05,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:05,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:31:05,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:05,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:31:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:31:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:31:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:31:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:31:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:31:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:31:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:31:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:31:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:31:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:31:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:31:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:31:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:31:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:31:06,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:31:06,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:06,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:06,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:06,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:06,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:06,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:06,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:31:06,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:31:06,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:06,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:06,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:06,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:06,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:31:06,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:06,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:31:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:31:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:31:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:31:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:31:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:31:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:31:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:31:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:31:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:31:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:31:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:31:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:31:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:31:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:31:06,340 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable359,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:31:06,341 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:31:06,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:31:06,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1226089834, now seen corresponding path program 34 times [2021-07-10 01:31:06,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:31:06,343 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922204530] [2021-07-10 01:31:06,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:31:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:31:07,425 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:31:07,425 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:31:07,425 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922204530] [2021-07-10 01:31:07,425 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922204530] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:31:07,425 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308979024] [2021-07-10 01:31:07,425 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 [2021-07-10 01:31:07,475 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:31:07,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:31:07,477 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 149 conjunts are in the unsatisfiable core [2021-07-10 01:31:07,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:31:09,406 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 01:31:09,803 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 01:31:10,161 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 01:31:10,531 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 01:31:10,962 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 01:31:11,342 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 01:31:11,733 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 01:31:12,104 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 01:31:12,443 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 01:31:12,834 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 01:31:13,273 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 01:31:13,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:13,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:13,484 INFO L244 Elim1Store]: Index analysis took 102 ms [2021-07-10 01:31:13,485 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 [2021-07-10 01:31:13,489 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:13,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:13,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:13,543 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 [2021-07-10 01:31:13,548 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:13,562 INFO L628 ElimStorePlain]: treesize reduction 200, result has 5.2 percent of original size [2021-07-10 01:31:13,562 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 01:31:13,562 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:31:13,562 INFO L518 ElimStorePlain]: Eliminatee v_prenex_117 vanished before elimination [2021-07-10 01:31:13,562 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:31:13,562 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:470, output treesize:11 [2021-07-10 01:31:13,572 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:31:13,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308979024] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:31:13,572 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:31:13,572 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 53 [2021-07-10 01:31:13,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646268012] [2021-07-10 01:31:13,573 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-10 01:31:13,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:31:13,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-10 01:31:13,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=2628, Unknown=0, NotChecked=0, Total=2756 [2021-07-10 01:31:13,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:31:13,574 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:31:13,574 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) [2021-07-10 01:31:13,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:31:13,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:13,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:13,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:13,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:13,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:13,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:13,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:31:13,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:31:13,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:13,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:13,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:13,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:13,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:31:13,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:13,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:31:13,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:31:13,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:13,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:31:13,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:31:13,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:13,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:31:13,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:31:13,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:13,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:31:13,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:31:13,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:13,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:31:13,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:31:13,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:13,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:31:13,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:31:13,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:13,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:31:13,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:31:13,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:31:13,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:31:25,699 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 141 [2021-07-10 01:31:26,174 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-10 01:31:26,601 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-10 01:31:27,029 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-10 01:31:27,404 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-10 01:31:27,826 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-10 01:31:28,264 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-10 01:31:28,684 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-10 01:31:29,108 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-10 01:31:29,501 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-10 01:31:29,918 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-10 01:31:30,334 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-10 01:31:30,577 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2021-07-10 01:31:30,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:31:30,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:31:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:30,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:31:30,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:31:30,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:30,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:31:30,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:31:30,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:31:30,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:31:30,951 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable361,37 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:31:30,951 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:31:30,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:31:30,951 INFO L82 PathProgramCache]: Analyzing trace with hash -679180096, now seen corresponding path program 35 times [2021-07-10 01:31:30,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:31:30,951 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630814665] [2021-07-10 01:31:30,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:31:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:31:31,428 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:31:31,429 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:31:31,429 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630814665] [2021-07-10 01:31:31,429 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630814665] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:31:31,429 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954954691] [2021-07-10 01:31:31,429 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 [2021-07-10 01:31:31,486 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-10 01:31:31,486 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:31:31,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-10 01:31:31,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:31:32,028 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 [2021-07-10 01:31:32,029 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:32,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 01:31:32,032 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:32,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:32,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:31:32,035 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:32,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:32,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:31:32,038 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:32,040 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 [2021-07-10 01:31:32,041 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:32,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:31:32,044 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:32,070 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-10 01:31:32,070 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:31:32,071 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:31:32,071 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 01:31:32,120 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:31:32,120 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954954691] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:31:32,120 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:31:32,120 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-07-10 01:31:32,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72755530] [2021-07-10 01:31:32,121 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-10 01:31:32,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:31:32,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-10 01:31:32,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-07-10 01:31:32,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:31:32,122 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:31:32,122 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) [2021-07-10 01:31:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:31:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:31:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:31:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:31:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:31:32,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:31:32,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:32,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:31:32,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:31:32,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:32,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:31:32,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:31:32,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:32,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:31:32,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:31:32,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:32,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:31:32,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:31:32,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:32,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:31:32,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:31:32,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:32,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:31:32,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:31:32,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:31:32,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:31:32,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:31:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:31:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:31:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:31:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:31:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:31:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:31:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:31:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:31:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:31:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:31:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:31:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:31:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:31:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:31:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:31:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:31:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:31:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:31:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:31:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:31:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:31:34,409 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable400 [2021-07-10 01:31:34,409 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:31:34,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:31:34,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1598011774, now seen corresponding path program 36 times [2021-07-10 01:31:34,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:31:34,410 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780255094] [2021-07-10 01:31:34,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:31:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:31:34,944 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:31:34,945 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:31:34,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780255094] [2021-07-10 01:31:34,945 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780255094] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:31:34,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332281214] [2021-07-10 01:31:34,945 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 [2021-07-10 01:31:35,002 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-10 01:31:35,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:31:35,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-10 01:31:35,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:31:35,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:35,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:31:35,466 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:35,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:31:35,469 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:35,483 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 01:31:35,483 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:31:35,483 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:31:35,483 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 01:31:35,519 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:31:35,520 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332281214] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:31:35,520 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:31:35,520 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-07-10 01:31:35,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486114878] [2021-07-10 01:31:35,520 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-10 01:31:35,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:31:35,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-10 01:31:35,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-07-10 01:31:35,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:31:35,521 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:31:35,521 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) [2021-07-10 01:31:35,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:31:35,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:35,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:35,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:35,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:35,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:35,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:35,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:31:35,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:31:35,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:31:35,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:31:35,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:31:35,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:31:36,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:31:36,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:36,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:36,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:31:36,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:31:36,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:36,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:31:36,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:31:36,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:31:36,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:31:36,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:31:36,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:31:36,758 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable407,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:31:36,759 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:31:36,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:31:36,759 INFO L82 PathProgramCache]: Analyzing trace with hash -2034501844, now seen corresponding path program 37 times [2021-07-10 01:31:36,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:31:36,759 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381431310] [2021-07-10 01:31:36,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:31:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:31:38,142 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:31:38,147 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:31:38,147 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381431310] [2021-07-10 01:31:38,147 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381431310] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:31:38,147 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599785338] [2021-07-10 01:31:38,147 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 [2021-07-10 01:31:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:31:38,201 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 161 conjunts are in the unsatisfiable core [2021-07-10 01:31:38,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:31:40,270 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-10 01:31:40,691 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 01:31:41,151 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 01:31:41,575 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-10 01:31:41,951 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-10 01:31:42,387 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 01:31:42,879 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 01:31:43,378 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 01:31:43,895 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 01:31:44,321 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-10 01:31:44,826 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 01:31:45,264 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-10 01:31:45,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:45,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:45,384 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 [2021-07-10 01:31:45,388 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:45,424 INFO L628 ElimStorePlain]: treesize reduction 349, result has 3.1 percent of original size [2021-07-10 01:31:45,425 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:31:45,425 INFO L518 ElimStorePlain]: Eliminatee v_prenex_135 vanished before elimination [2021-07-10 01:31:45,425 INFO L518 ElimStorePlain]: Eliminatee v_prenex_136 vanished before elimination [2021-07-10 01:31:45,425 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:31:45,425 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:503, output treesize:11 [2021-07-10 01:31:45,506 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:31:45,506 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1599785338] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:31:45,506 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:31:45,506 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30] total 58 [2021-07-10 01:31:45,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075357522] [2021-07-10 01:31:45,506 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-07-10 01:31:45,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:31:45,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-07-10 01:31:45,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=3165, Unknown=0, NotChecked=0, Total=3306 [2021-07-10 01:31:45,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:31:45,507 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:31:45,507 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) [2021-07-10 01:31:45,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:45,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:31:45,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:31:45,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:45,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:31:45,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:31:45,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:31:45,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:31:45,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:31:45,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:31:45,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:31:59,329 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2021-07-10 01:32:02,153 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 157 [2021-07-10 01:32:02,610 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 160 [2021-07-10 01:32:03,251 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 166 [2021-07-10 01:32:03,919 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 166 [2021-07-10 01:32:04,608 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 166 [2021-07-10 01:32:05,135 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-10 01:32:05,651 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-10 01:32:06,175 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-10 01:32:06,698 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-10 01:32:07,256 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-10 01:32:07,903 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 166 [2021-07-10 01:32:08,426 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-10 01:32:09,070 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 166 [2021-07-10 01:32:09,398 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2021-07-10 01:32:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:32:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:32:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:32:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:32:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:09,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-10 01:32:09,800 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable409,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:32:09,801 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:32:09,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:32:09,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1321692990, now seen corresponding path program 38 times [2021-07-10 01:32:09,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:32:09,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123395736] [2021-07-10 01:32:09,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:32:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:32:10,332 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:32:10,333 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:32:10,333 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123395736] [2021-07-10 01:32:10,333 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123395736] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:32:10,333 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410758304] [2021-07-10 01:32:10,333 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 [2021-07-10 01:32:10,420 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:32:10,421 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:32:10,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-10 01:32:10,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:32:11,040 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 [2021-07-10 01:32:11,041 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:11,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 01:32:11,044 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:11,046 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 [2021-07-10 01:32:11,047 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:11,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:11,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:32:11,050 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:11,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:11,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:32:11,053 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:11,055 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:32:11,056 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:11,080 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-10 01:32:11,080 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:32:11,081 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:32:11,081 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 01:32:11,155 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:32:11,156 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410758304] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:32:11,156 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:32:11,156 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-07-10 01:32:11,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130852501] [2021-07-10 01:32:11,156 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-10 01:32:11,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:32:11,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-10 01:32:11,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-07-10 01:32:11,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:32:11,157 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:32:11,157 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) [2021-07-10 01:32:11,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:32:11,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:11,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:11,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:11,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:11,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:11,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:11,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:32:11,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:32:11,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:11,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:11,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-10 01:32:11,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:32:13,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:32:13,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:13,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:13,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:13,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:13,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:13,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:13,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:32:13,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:32:13,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:13,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:13,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:32:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-10 01:32:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 01:32:13,745 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable449,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:32:13,746 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:32:13,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:32:13,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1099803072, now seen corresponding path program 39 times [2021-07-10 01:32:13,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:32:13,746 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735146163] [2021-07-10 01:32:13,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:32:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:32:14,319 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:32:14,319 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:32:14,319 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735146163] [2021-07-10 01:32:14,319 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735146163] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:32:14,319 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357382060] [2021-07-10 01:32:14,319 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 [2021-07-10 01:32:14,377 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-10 01:32:14,377 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:32:14,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-10 01:32:14,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:32:14,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:32:14,994 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:14,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:32:14,996 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:15,012 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 01:32:15,012 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:32:15,012 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:32:15,013 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 01:32:15,056 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:32:15,056 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357382060] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:32:15,056 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:32:15,056 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-07-10 01:32:15,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840140104] [2021-07-10 01:32:15,056 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-10 01:32:15,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:32:15,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-10 01:32:15,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-07-10 01:32:15,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:32:15,057 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:32:15,057 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) [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:15,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:32:15,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:32:15,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:15,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:32:15,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:32:15,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:15,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:15,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:32:15,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:32:15,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:32:15,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:32:15,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:15,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-10 01:32:15,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 01:32:15,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:32:16,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:32:16,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:32:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:32:16,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:16,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:32:16,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:32:16,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:16,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:16,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:32:16,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:32:16,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:32:16,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:32:16,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:16,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-10 01:32:16,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 01:32:16,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:16,625 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable456 [2021-07-10 01:32:16,625 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:32:16,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:32:16,625 INFO L82 PathProgramCache]: Analyzing trace with hash 232583850, now seen corresponding path program 40 times [2021-07-10 01:32:16,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:32:16,625 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898389676] [2021-07-10 01:32:16,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:32:16,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:32:18,818 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:32:18,819 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:32:18,819 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898389676] [2021-07-10 01:32:18,819 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898389676] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:32:18,819 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228837451] [2021-07-10 01:32:18,819 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 [2021-07-10 01:32:18,880 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:32:18,880 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:32:18,883 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 173 conjunts are in the unsatisfiable core [2021-07-10 01:32:18,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:32:21,459 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 01:32:21,935 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 01:32:22,399 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 01:32:22,939 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 01:32:23,538 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 01:32:24,105 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 01:32:24,570 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 01:32:25,083 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 01:32:25,707 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 01:32:26,312 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 01:32:26,880 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 01:32:27,353 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 01:32:27,895 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 01:32:27,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,980 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:27,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:27,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:28,020 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 [2021-07-10 01:32:28,036 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:28,077 INFO L628 ElimStorePlain]: treesize reduction 371, result has 2.9 percent of original size [2021-07-10 01:32:28,078 INFO L518 ElimStorePlain]: Eliminatee v_prenex_151 vanished before elimination [2021-07-10 01:32:28,078 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:32:28,078 INFO L518 ElimStorePlain]: Eliminatee v_prenex_152 vanished before elimination [2021-07-10 01:32:28,078 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:32:28,078 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:536, output treesize:11 [2021-07-10 01:32:28,187 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:32:28,187 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228837451] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:32:28,187 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:32:28,188 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 32] total 63 [2021-07-10 01:32:28,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31866107] [2021-07-10 01:32:28,188 INFO L462 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-07-10 01:32:28,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:32:28,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-07-10 01:32:28,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=3768, Unknown=0, NotChecked=0, Total=3906 [2021-07-10 01:32:28,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:32:28,189 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:32:28,190 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) [2021-07-10 01:32:28,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:32:28,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:28,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:28,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:28,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:28,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:28,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:28,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:32:28,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:32:28,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:28,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:28,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:28,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:28,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:28,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:28,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:28,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:32:28,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:28,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:32:28,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:32:28,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:28,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:32:28,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:32:28,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:28,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:32:28,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:32:28,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:28,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:32:28,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:32:28,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:28,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:32:28,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:32:28,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:28,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:28,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:32:28,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:32:28,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:32:28,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:32:28,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:28,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-10 01:32:28,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 01:32:28,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:28,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:32:33,132 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2021-07-10 01:32:35,023 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 200 DAG size of output: 108 [2021-07-10 01:32:35,942 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 111 [2021-07-10 01:32:36,824 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 118 [2021-07-10 01:32:37,701 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 169 [2021-07-10 01:32:38,572 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 174 [2021-07-10 01:32:39,445 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 174 [2021-07-10 01:32:40,499 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 232 [2021-07-10 01:32:41,443 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 174 [2021-07-10 01:32:42,391 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 174 [2021-07-10 01:32:43,366 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2021-07-10 01:32:44,409 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 181 [2021-07-10 01:32:45,346 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 183 [2021-07-10 01:32:46,270 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 182 [2021-07-10 01:32:47,270 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 232 [2021-07-10 01:32:47,837 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 115 [2021-07-10 01:32:48,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:32:48,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:48,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:48,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:48,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:48,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:48,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:48,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:32:48,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:32:48,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:32:48,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:32:48,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:48,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-10 01:32:48,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 01:32:48,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:48,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:32:48,338 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable458,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:32:48,338 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:32:48,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:32:48,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1413094528, now seen corresponding path program 41 times [2021-07-10 01:32:48,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:32:48,338 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95540938] [2021-07-10 01:32:48,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:32:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:32:49,008 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:32:49,009 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:32:49,009 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95540938] [2021-07-10 01:32:49,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95540938] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:32:49,009 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684055039] [2021-07-10 01:32:49,009 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 [2021-07-10 01:32:49,075 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-07-10 01:32:49,076 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:32:49,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-10 01:32:49,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:32:49,807 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 [2021-07-10 01:32:49,809 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:49,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:49,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:32:49,812 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:49,814 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 [2021-07-10 01:32:49,815 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:49,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:32:49,818 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:49,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:49,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:32:49,822 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:49,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:32:49,825 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:49,852 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-10 01:32:49,852 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:32:49,852 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:32:49,852 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 01:32:49,908 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:32:49,908 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684055039] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:32:49,908 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:32:49,908 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-07-10 01:32:49,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546984799] [2021-07-10 01:32:49,909 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-10 01:32:49,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:32:49,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-10 01:32:49,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-07-10 01:32:49,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:32:49,910 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:32:49,910 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) [2021-07-10 01:32:49,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:32:49,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:49,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:49,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:49,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:49,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:49,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:49,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:32:49,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:32:49,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:49,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:49,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:49,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:49,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:49,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:49,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:49,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:32:49,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:49,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:32:49,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:32:49,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:49,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:32:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:32:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:32:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:32:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:32:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:32:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:32:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:32:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:32:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:32:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:32:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:32:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-10 01:32:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 01:32:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:32:49,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:32:52,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:32:52,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:52,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:52,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:52,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:52,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:52,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:32:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:32:52,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:32:52,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:32:52,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:52,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-10 01:32:52,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 01:32:52,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:52,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:32:52,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-10 01:32:52,940 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable502,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:32:52,941 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:32:52,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:32:52,941 INFO L82 PathProgramCache]: Analyzing trace with hash 829938878, now seen corresponding path program 42 times [2021-07-10 01:32:52,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:32:52,941 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396398055] [2021-07-10 01:32:52,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:32:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:32:53,578 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:32:53,579 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:32:53,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396398055] [2021-07-10 01:32:53,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396398055] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:32:53,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593437515] [2021-07-10 01:32:53,579 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 [2021-07-10 01:32:53,674 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-07-10 01:32:53,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:32:53,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-10 01:32:53,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:32:54,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:54,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:32:54,358 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:54,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:32:54,360 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:54,376 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 01:32:54,376 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:32:54,377 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:32:54,377 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 01:32:54,423 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:32:54,423 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [593437515] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:32:54,423 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:32:54,423 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-07-10 01:32:54,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440529620] [2021-07-10 01:32:54,424 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-10 01:32:54,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:32:54,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-10 01:32:54,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-07-10 01:32:54,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:32:54,424 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:32:54,425 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) [2021-07-10 01:32:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:32:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:32:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:32:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:32:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:32:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:32:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:32:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:32:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:32:54,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:32:54,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:54,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:32:54,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:32:54,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:54,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:32:54,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:32:54,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:54,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:54,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:32:54,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:32:54,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:32:54,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:32:54,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:54,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-10 01:32:54,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 01:32:54,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:54,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:32:54,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-10 01:32:54,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:32:56,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:32:56,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:56,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:56,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:32:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:32:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:32:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:32:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:32:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:32:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-10 01:32:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 01:32:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:32:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-10 01:32:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:32:56,312 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable509,45 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:32:56,312 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:32:56,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:32:56,312 INFO L82 PathProgramCache]: Analyzing trace with hash -74957844, now seen corresponding path program 43 times [2021-07-10 01:32:56,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:32:56,312 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254099190] [2021-07-10 01:32:56,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:32:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:32:58,585 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:32:58,585 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:32:58,585 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254099190] [2021-07-10 01:32:58,585 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254099190] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:32:58,585 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60643879] [2021-07-10 01:32:58,585 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 [2021-07-10 01:32:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:32:58,648 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 185 conjunts are in the unsatisfiable core [2021-07-10 01:32:58,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:33:01,882 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 01:33:02,467 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 01:33:03,050 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 01:33:03,600 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 01:33:04,210 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 01:33:04,847 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 01:33:05,401 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 01:33:05,937 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 01:33:06,832 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 01:33:07,468 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 01:33:08,104 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 01:33:08,794 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 01:33:09,429 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 01:33:10,097 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 01:33:10,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:10,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:10,368 INFO L244 Elim1Store]: Index analysis took 168 ms [2021-07-10 01:33:10,369 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 [2021-07-10 01:33:10,374 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:10,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:10,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,453 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 [2021-07-10 01:33:10,458 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:10,594 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 98 [2021-07-10 01:33:10,595 INFO L628 ElimStorePlain]: treesize reduction 216, result has 47.8 percent of original size [2021-07-10 01:33:10,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:10,659 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 [2021-07-10 01:33:10,663 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:10,674 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:33:10,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:10,677 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 10 treesize of output 6 [2021-07-10 01:33:10,680 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 01:33:10,690 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:33:10,690 INFO L518 ElimStorePlain]: Eliminatee v_prenex_162 vanished before elimination [2021-07-10 01:33:10,691 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:33:10,691 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:741, output treesize:22 [2021-07-10 01:33:10,815 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:33:10,815 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60643879] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:33:10,815 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:33:10,815 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 34] total 67 [2021-07-10 01:33:10,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528172394] [2021-07-10 01:33:10,816 INFO L462 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-07-10 01:33:10,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:33:10,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-07-10 01:33:10,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=4274, Unknown=0, NotChecked=0, Total=4422 [2021-07-10 01:33:10,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:33:10,817 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:33:10,817 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) [2021-07-10 01:33:10,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:33:10,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:10,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:10,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:10,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:10,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:10,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:10,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:33:10,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:33:10,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:10,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:10,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:10,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:10,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:10,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:10,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:10,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:33:10,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:33:16,846 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2021-07-10 01:33:17,636 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 117 [2021-07-10 01:33:18,265 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 175 [2021-07-10 01:33:18,855 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 185 [2021-07-10 01:33:19,627 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 187 [2021-07-10 01:33:20,451 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-10 01:33:21,247 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-10 01:33:22,230 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 199 [2021-07-10 01:33:23,168 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-10 01:33:24,046 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-10 01:33:24,867 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 199 [2021-07-10 01:33:25,764 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-10 01:33:26,683 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-10 01:33:27,598 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-10 01:33:28,471 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-10 01:33:29,350 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-10 01:33:30,322 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 199 [2021-07-10 01:33:31,158 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 197 [2021-07-10 01:33:31,733 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 121 [2021-07-10 01:33:32,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:33:32,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:32,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:32,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:32,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:32,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:32,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:32,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:33:32,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:33:32,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:32,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:32,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:32,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:32,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:32,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:32,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:32,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:33:32,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-10 01:33:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:33:32,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:32,221 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable511 [2021-07-10 01:33:32,221 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:33:32,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:33:32,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1938014846, now seen corresponding path program 44 times [2021-07-10 01:33:32,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:33:32,222 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292589233] [2021-07-10 01:33:32,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:33:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:33:32,976 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:33:32,976 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:33:32,976 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292589233] [2021-07-10 01:33:32,976 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292589233] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:33:32,976 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275671111] [2021-07-10 01:33:32,976 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 [2021-07-10 01:33:33,031 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:33:33,031 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:33:33,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-07-10 01:33:33,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:33:33,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:33,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:33:33,813 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:33,815 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 [2021-07-10 01:33:33,816 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:33,818 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:33:33,819 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:33,820 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:33:33,821 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:33,823 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:33,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:33:33,824 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:33,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:33:33,827 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:33,850 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-10 01:33:33,850 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:33:33,851 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:33:33,851 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 01:33:33,909 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:33:33,910 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275671111] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:33:33,910 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:33:33,910 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-07-10 01:33:33,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508486701] [2021-07-10 01:33:33,910 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-10 01:33:33,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:33:33,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-10 01:33:33,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-07-10 01:33:33,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:33:33,911 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:33:33,911 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) [2021-07-10 01:33:33,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:33:33,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:33,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:33:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:33:33,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:33,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:33,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:33:33,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:33:33,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:33:33,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:33:33,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:33,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-10 01:33:33,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 01:33:33,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:33,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:33:33,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-10 01:33:33,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:33:33,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:33,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:33:37,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:33:37,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:37,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:37,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:37,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:37,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:37,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:37,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:33:37,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:33:37,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:37,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:37,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:37,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:37,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:37,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:37,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:37,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:33:37,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:37,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:37,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:33:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:33:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:33:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:33:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:33:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:33:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:33:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:33:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:33:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:33:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:33:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:33:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:33:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-10 01:33:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 01:33:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:33:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-10 01:33:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:33:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:37,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-10 01:33:37,227 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable583 [2021-07-10 01:33:37,227 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:33:37,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:33:37,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1542393600, now seen corresponding path program 45 times [2021-07-10 01:33:37,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:33:37,228 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954878049] [2021-07-10 01:33:37,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:33:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:33:37,936 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:33:37,936 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:33:37,936 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954878049] [2021-07-10 01:33:37,936 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954878049] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:33:37,936 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156321094] [2021-07-10 01:33:37,936 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 [2021-07-10 01:33:38,009 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-10 01:33:38,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:33:38,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-07-10 01:33:38,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:33:38,724 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:38,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:33:38,725 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:38,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:33:38,727 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:38,737 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 01:33:38,737 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:33:38,738 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:33:38,738 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 01:33:38,772 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:33:38,773 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [156321094] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:33:38,773 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:33:38,773 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-07-10 01:33:38,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135499876] [2021-07-10 01:33:38,773 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-10 01:33:38,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:33:38,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-10 01:33:38,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-07-10 01:33:38,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:33:38,774 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:33:38,774 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) [2021-07-10 01:33:38,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:33:38,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:38,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:38,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:38,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:38,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:38,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:38,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:33:38,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:33:38,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:38,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:38,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:38,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:38,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:38,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:33:38,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-10 01:33:38,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:33:38,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:38,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-10 01:33:38,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:33:40,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:33:40,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:40,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:40,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:40,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:40,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:40,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:40,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:33:40,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:33:40,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:40,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:40,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:40,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:40,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:40,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:40,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:40,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:33:40,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:40,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-10 01:33:40,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 01:33:40,556 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable590,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:33:40,557 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:33:40,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:33:40,557 INFO L82 PathProgramCache]: Analyzing trace with hash -602820630, now seen corresponding path program 46 times [2021-07-10 01:33:40,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:33:40,557 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528716778] [2021-07-10 01:33:40,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:33:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:33:41,967 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:33:41,967 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:33:41,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528716778] [2021-07-10 01:33:41,968 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528716778] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:33:41,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691273150] [2021-07-10 01:33:41,968 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 [2021-07-10 01:33:42,026 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:33:42,026 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:33:42,028 WARN L261 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 197 conjunts are in the unsatisfiable core [2021-07-10 01:33:42,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:33:44,904 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-07-10 01:33:45,454 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 01:33:46,132 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 01:33:46,762 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 01:33:47,448 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 01:33:47,977 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 01:33:48,637 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 01:33:49,340 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 01:33:50,065 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 01:33:50,699 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 01:33:51,346 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 01:33:51,971 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 01:33:52,681 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 01:33:53,286 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 01:33:54,025 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 01:33:54,747 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 01:33:54,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:54,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:54,977 INFO L244 Elim1Store]: Index analysis took 155 ms [2021-07-10 01:33:54,978 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 [2021-07-10 01:33:54,982 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:54,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:54,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:55,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:55,064 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 [2021-07-10 01:33:55,069 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:55,083 INFO L628 ElimStorePlain]: treesize reduction 248, result has 4.2 percent of original size [2021-07-10 01:33:55,083 INFO L518 ElimStorePlain]: Eliminatee v_prenex_183 vanished before elimination [2021-07-10 01:33:55,083 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:33:55,083 INFO L518 ElimStorePlain]: Eliminatee v_prenex_184 vanished before elimination [2021-07-10 01:33:55,084 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:33:55,084 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:602, output treesize:11 [2021-07-10 01:33:55,178 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:33:55,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691273150] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:33:55,178 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:33:55,178 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36] total 70 [2021-07-10 01:33:55,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640137278] [2021-07-10 01:33:55,178 INFO L462 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-07-10 01:33:55,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:33:55,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-07-10 01:33:55,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=4659, Unknown=0, NotChecked=0, Total=4830 [2021-07-10 01:33:55,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:33:55,181 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:33:55,181 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) [2021-07-10 01:33:55,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:33:55,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:55,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:55,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:55,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:55,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:55,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:55,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:33:55,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:33:55,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:55,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:55,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:55,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:55,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:55,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:55,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:55,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:33:55,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:55,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:55,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:33:55,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 01:33:55,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:34:19,903 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2021-07-10 01:34:23,991 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 176 [2021-07-10 01:34:24,636 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 179 [2021-07-10 01:34:25,298 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 179 [2021-07-10 01:34:26,141 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 114 [2021-07-10 01:34:26,885 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-10 01:34:27,786 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 185 [2021-07-10 01:34:28,676 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 185 [2021-07-10 01:34:29,459 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-10 01:34:30,235 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-10 01:34:31,198 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 185 [2021-07-10 01:34:32,152 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 185 [2021-07-10 01:34:33,003 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-10 01:34:33,742 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-10 01:34:34,509 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-10 01:34:35,269 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-10 01:34:36,056 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-10 01:34:36,501 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2021-07-10 01:34:36,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:34:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:34:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:34:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:34:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:34:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:34:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:34:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:34:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:34:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:34:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:34:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:34:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:34:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:34:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:34:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:34:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:34:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:34:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:34:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:34:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:34:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:34:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:34:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:34:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:34:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-10 01:34:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 01:34:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:34:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:34:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-10 01:34:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:34:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:34:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-10 01:34:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 01:34:36,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-07-10 01:34:36,978 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable592,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:34:36,979 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:34:36,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:34:36,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1540829632, now seen corresponding path program 47 times [2021-07-10 01:34:36,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:34:36,979 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380091125] [2021-07-10 01:34:36,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:34:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:34:37,726 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 17 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:34:37,726 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:34:37,726 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380091125] [2021-07-10 01:34:37,726 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380091125] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:34:37,726 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690004966] [2021-07-10 01:34:37,726 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 [2021-07-10 01:34:37,799 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-07-10 01:34:37,799 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:34:37,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 74 conjunts are in the unsatisfiable core [2021-07-10 01:34:37,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:34:38,673 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 7 treesize of output 5 [2021-07-10 01:34:38,674 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:38,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:38,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:34:38,678 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:38,680 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:34:38,681 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:38,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:38,683 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 16 treesize of output 12 [2021-07-10 01:34:38,684 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:38,686 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:34:38,687 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:38,688 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 [2021-07-10 01:34:38,689 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:38,713 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-10 01:34:38,713 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:34:38,713 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:34:38,714 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 01:34:38,798 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 17 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:34:38,799 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690004966] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:34:38,799 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:34:38,799 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 55 [2021-07-10 01:34:38,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878613585] [2021-07-10 01:34:38,799 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-10 01:34:38,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:34:38,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-10 01:34:38,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2829, Unknown=0, NotChecked=0, Total=2970 [2021-07-10 01:34:38,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:34:38,800 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:34:38,800 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) [2021-07-10 01:34:38,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:34:38,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:34:38,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:34:38,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:38,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:38,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:38,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:34:38,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:34:38,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:34:38,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:38,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:38,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:34:38,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:34:38,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 01:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:34:38,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:34:38,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-10 01:34:38,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:34:38,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:34:38,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-10 01:34:38,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 01:34:38,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2021-07-10 01:34:38,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:34:42,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:34:42,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:34:42,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:34:42,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:42,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:42,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:34:42,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:34:42,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:34:42,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:34:42,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:42,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-10 01:34:42,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 01:34:42,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:34:42,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:34:42,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-10 01:34:42,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:34:42,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:34:42,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-10 01:34:42,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 01:34:42,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-07-10 01:34:42,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-10 01:34:42,691 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable639 [2021-07-10 01:34:42,691 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:34:42,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:34:42,692 INFO L82 PathProgramCache]: Analyzing trace with hash -2059309058, now seen corresponding path program 48 times [2021-07-10 01:34:42,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:34:42,692 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389959920] [2021-07-10 01:34:42,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:34:42,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:34:43,513 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:34:43,513 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:34:43,513 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389959920] [2021-07-10 01:34:43,513 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389959920] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:34:43,513 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723978435] [2021-07-10 01:34:43,513 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 [2021-07-10 01:34:43,582 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-07-10 01:34:43,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:34:43,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 76 conjunts are in the unsatisfiable core [2021-07-10 01:34:43,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:34:44,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-10 01:34:44,445 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:44,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:34:44,447 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:44,464 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 01:34:44,464 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:34:44,465 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:34:44,465 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 01:34:44,517 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:34:44,517 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723978435] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:34:44,517 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:34:44,517 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 55 [2021-07-10 01:34:44,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782005744] [2021-07-10 01:34:44,518 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-10 01:34:44,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:34:44,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-10 01:34:44,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2829, Unknown=0, NotChecked=0, Total=2970 [2021-07-10 01:34:44,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:34:44,519 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:34:44,519 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) [2021-07-10 01:34:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:34:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:34:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:34:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:34:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:34:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:34:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:34:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:34:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:34:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:34:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:34:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2021-07-10 01:34:44,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-10 01:34:44,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:34:46,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:34:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:34:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:34:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:34:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:34:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:34:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:34:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:34:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:34:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-10 01:34:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 01:34:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:34:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:34:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-10 01:34:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:34:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:34:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-10 01:34:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 01:34:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-07-10 01:34:46,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-10 01:34:46,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:34:46,813 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable645,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:34:46,813 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:34:46,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:34:46,813 INFO L82 PathProgramCache]: Analyzing trace with hash 552669356, now seen corresponding path program 49 times [2021-07-10 01:34:46,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:34:46,813 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727998420] [2021-07-10 01:34:46,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:34:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:34:48,806 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:34:48,806 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:34:48,806 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727998420] [2021-07-10 01:34:48,806 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727998420] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:34:48,806 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214273312] [2021-07-10 01:34:48,806 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 [2021-07-10 01:34:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:34:48,873 WARN L261 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 209 conjunts are in the unsatisfiable core [2021-07-10 01:34:48,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:34:51,280 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-07-10 01:34:52,237 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-07-10 01:34:53,140 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 01:34:53,947 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 01:34:54,747 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 01:34:55,518 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 01:34:56,210 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 01:34:56,887 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 01:34:57,697 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 01:34:58,400 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 01:34:59,070 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 01:34:59,881 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 01:35:00,600 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 01:35:01,394 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 01:35:02,189 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 01:35:02,951 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 01:35:03,783 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 01:35:04,602 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 01:35:04,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,768 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:35:04,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:35:04,925 INFO L244 Elim1Store]: Index analysis took 204 ms [2021-07-10 01:35:04,927 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 [2021-07-10 01:35:04,933 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:04,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:35:04,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:04,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:05,039 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 [2021-07-10 01:35:05,046 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:05,064 INFO L628 ElimStorePlain]: treesize reduction 249, result has 4.2 percent of original size [2021-07-10 01:35:05,064 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 01:35:05,064 INFO L518 ElimStorePlain]: Eliminatee v_prenex_203 vanished before elimination [2021-07-10 01:35:05,064 INFO L518 ElimStorePlain]: Eliminatee v_prenex_204 vanished before elimination [2021-07-10 01:35:05,065 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:35:05,065 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:635, output treesize:11 [2021-07-10 01:35:05,077 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:35:05,077 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214273312] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:35:05,077 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:35:05,077 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 38] total 73 [2021-07-10 01:35:05,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884316637] [2021-07-10 01:35:05,078 INFO L462 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-07-10 01:35:05,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:35:05,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-07-10 01:35:05,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=5078, Unknown=0, NotChecked=0, Total=5256 [2021-07-10 01:35:05,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:35:05,079 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:35:05,079 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) [2021-07-10 01:35:05,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:35:05,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:35:05,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:35:05,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:05,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:05,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:05,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:35:05,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:35:05,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:35:05,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 01:35:05,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:35:05,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-10 01:35:05,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 01:35:05,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:35:05,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:35:05,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-10 01:35:05,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:35:05,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:35:05,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-10 01:35:05,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 01:35:05,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2021-07-10 01:35:05,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-10 01:35:05,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:35:05,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:35:27,965 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-10 01:35:28,166 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable647 [2021-07-10 01:35:28,167 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkValidity(IncrementalHoareTripleChecker.java:676) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ProtectiveHoareTripleChecker.checkInternal(ProtectiveHoareTripleChecker.java:61) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.EfficientHoareTripleChecker.checkInternal(EfficientHoareTripleChecker.java:63) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:159) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:111) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:170) 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) ... 43 more [2021-07-10 01:35:28,171 INFO L168 Benchmark]: Toolchain (without parser) took 384870.69 ms. Allocated memory was 175.1 MB in the beginning and 728.8 MB in the end (delta: 553.6 MB). Free memory was 154.4 MB in the beginning and 609.3 MB in the end (delta: -454.9 MB). Peak memory consumption was 100.0 MB. Max. memory is 8.0 GB. [2021-07-10 01:35:28,171 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 175.1 MB. Free memory is still 155.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 01:35:28,171 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.29 ms. Allocated memory is still 175.1 MB. Free memory was 154.4 MB in the beginning and 152.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 01:35:28,172 INFO L168 Benchmark]: Boogie Preprocessor took 18.85 ms. Allocated memory is still 175.1 MB. Free memory was 152.9 MB in the beginning and 151.9 MB in the end (delta: 975.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 01:35:28,172 INFO L168 Benchmark]: RCFGBuilder took 352.33 ms. Allocated memory is still 175.1 MB. Free memory was 151.7 MB in the beginning and 135.0 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-07-10 01:35:28,172 INFO L168 Benchmark]: TraceAbstraction took 384456.04 ms. Allocated memory was 175.1 MB in the beginning and 728.8 MB in the end (delta: 553.6 MB). Free memory was 134.5 MB in the beginning and 609.3 MB in the end (delta: -474.8 MB). Peak memory consumption was 80.1 MB. Max. memory is 8.0 GB. [2021-07-10 01:35:28,172 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 0.12 ms. Allocated memory is still 175.1 MB. Free memory is still 155.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.29 ms. Allocated memory is still 175.1 MB. Free memory was 154.4 MB in the beginning and 152.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 18.85 ms. Allocated memory is still 175.1 MB. Free memory was 152.9 MB in the beginning and 151.9 MB in the end (delta: 975.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 352.33 ms. Allocated memory is still 175.1 MB. Free memory was 151.7 MB in the beginning and 135.0 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 384456.04 ms. Allocated memory was 175.1 MB in the beginning and 728.8 MB in the end (delta: 553.6 MB). Free memory was 134.5 MB in the beginning and 609.3 MB in the end (delta: -474.8 MB). Peak memory consumption was 80.1 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...