/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-NewStatesSleepPersistent-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 05:47:23,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 05:47:23,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 05:47:23,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 05:47:23,178 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-NewStatesSleepPersistent-NoLbe.epf [2021-07-10 05:47:23,210 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 05:47:23,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 05:47:23,210 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 05:47:23,210 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 05:47:23,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 05:47:23,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 05:47:23,213 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 05:47:23,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 05:47:23,213 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 05:47:23,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 05:47:23,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 05:47:23,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 05:47:23,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 05:47:23,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 05:47:23,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 05:47:23,214 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 05:47:23,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 05:47:23,215 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 05:47:23,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 05:47:23,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 05:47:23,215 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 05:47:23,215 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 05:47:23,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 05:47:23,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 05:47:23,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 05:47:23,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 05:47:23,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 05:47:23,216 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 05:47:23,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 05:47:23,216 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 05:47:23,216 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 05:47:23,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 05:47:23,216 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 05:47:23,216 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 05:47:23,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 05:47:23,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 05:47:23,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 05:47:23,494 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 05:47:23,495 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 05:47:23,496 INFO L432 ainManager$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 05:47:23,496 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 05:47:23,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 05:47:23,514 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 05:47:23,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 05:47:23,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 05:47:23,515 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 05:47:23,523 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 05:47:23" (1/1) ... [2021-07-10 05:47:23,529 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 05:47:23" (1/1) ... [2021-07-10 05:47:23,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 05:47:23,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 05:47:23,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 05:47:23,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 05:47:23,539 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 05:47:23" (1/1) ... [2021-07-10 05:47:23,540 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 05:47:23" (1/1) ... [2021-07-10 05:47:23,540 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 05:47:23" (1/1) ... [2021-07-10 05:47:23,541 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 05:47:23" (1/1) ... [2021-07-10 05:47:23,542 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 05:47:23" (1/1) ... [2021-07-10 05:47:23,544 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 05:47:23" (1/1) ... [2021-07-10 05:47:23,544 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 05:47:23" (1/1) ... [2021-07-10 05:47:23,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 05:47:23,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 05:47:23,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 05:47:23,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 05:47:23,547 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 05:47:23" (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 05:47:23,628 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 05:47:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 05:47:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 05:47:23,629 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 05:47:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 05:47:23,629 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 05:47:23,629 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 05:47:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 05:47:23,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 05:47:23,630 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 05:47:23,916 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 05:47:23,916 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 05:47:23,917 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 05:47:23,917 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-10 05:47:23,918 INFO L202 PluginConnector]: Adding new model array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 05:47:23 BoogieIcfgContainer [2021-07-10 05:47:23,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 05:47:23,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 05:47:23,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 05:47:23,922 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 05:47:23,922 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 05:47:23" (1/2) ... [2021-07-10 05:47:23,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3eef40 and model type array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 05:47:23, skipping insertion in model container [2021-07-10 05:47:23,923 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 05:47:23" (2/2) ... [2021-07-10 05:47:23,924 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-symm.wvr.bpl [2021-07-10 05:47:23,927 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 05:47:23,927 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 05:47:23,928 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 05:47:23,928 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 05:47:23,977 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 05:47:24,009 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 05:47:24,075 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 05:47:24,075 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 05:47:24,075 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 05:47:24,075 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 05:47:24,075 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 05:47:24,075 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 05:47:24,075 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 05:47:24,076 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 05:47:24,122 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:47:24,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:47:24,126 INFO L82 PathProgramCache]: Analyzing trace with hash -381977242, now seen corresponding path program 1 times [2021-07-10 05:47:24,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:47:24,133 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603237216] [2021-07-10 05:47:24,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:47:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:47:24,302 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 05:47:24,303 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:47:24,303 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603237216] [2021-07-10 05:47:24,303 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603237216] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 05:47:24,304 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 05:47:24,304 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 05:47:24,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425741110] [2021-07-10 05:47:24,307 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 05:47:24,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:47:24,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 05:47:24,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 05:47:24,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:24,319 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:47:24,320 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 05:47:24,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:24,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:24,364 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 05:47:24,364 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:47:24,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:47:24,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1042522380, now seen corresponding path program 1 times [2021-07-10 05:47:24,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:47:24,366 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881136282] [2021-07-10 05:47:24,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:47:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:47:24,425 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 05:47:24,425 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:47:24,425 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881136282] [2021-07-10 05:47:24,426 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881136282] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 05:47:24,426 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 05:47:24,426 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-10 05:47:24,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739795161] [2021-07-10 05:47:24,430 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 05:47:24,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:47:24,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 05:47:24,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-10 05:47:24,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:24,431 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:47:24,432 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 05:47:24,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:24,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:24,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:24,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:24,479 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 05:47:24,480 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:47:24,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:47:24,480 INFO L82 PathProgramCache]: Analyzing trace with hash -707752582, now seen corresponding path program 1 times [2021-07-10 05:47:24,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:47:24,480 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269861655] [2021-07-10 05:47:24,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:47:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:47:24,513 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 05:47:24,513 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:47:24,513 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269861655] [2021-07-10 05:47:24,513 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269861655] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:24,513 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796478703] [2021-07-10 05:47:24,513 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 05:47:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:47:24,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-10 05:47:24,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:47:24,612 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 05:47:24,613 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796478703] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:24,613 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:47:24,613 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-10 05:47:24,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193974995] [2021-07-10 05:47:24,613 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 05:47:24,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:47:24,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 05:47:24,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 05:47:24,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:24,614 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:47:24,614 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 05:47:24,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:24,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:24,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:24,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:24,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:24,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:24,878 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:47:24,879 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:47:24,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:47:24,879 INFO L82 PathProgramCache]: Analyzing trace with hash -466578568, now seen corresponding path program 1 times [2021-07-10 05:47:24,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:47:24,880 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59361845] [2021-07-10 05:47:24,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:47:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:47:25,238 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 05:47:25,238 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:47:25,238 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59361845] [2021-07-10 05:47:25,238 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59361845] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:25,238 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973868681] [2021-07-10 05:47:25,239 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 05:47:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:47:25,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 05:47:25,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:47:25,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:25,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:25,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:47:25,812 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:25,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:25,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:47:25,824 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:25,867 INFO L628 ElimStorePlain]: treesize reduction 62, result has 44.1 percent of original size [2021-07-10 05:47:25,867 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:47:25,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:25,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-10 05:47:25,875 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:25,888 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:47:25,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:25,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:47:25,898 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:25,909 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:47:25,913 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 05:47:25,913 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:125, output treesize:22 [2021-07-10 05:47:25,940 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 05:47:25,940 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973868681] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:25,940 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:47:25,940 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 10 [2021-07-10 05:47:25,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081210571] [2021-07-10 05:47:25,941 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 05:47:25,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:47:25,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 05:47:25,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-07-10 05:47:25,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:25,941 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:47:25,942 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 05:47:25,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:25,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:25,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:25,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:26,278 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2021-07-10 05:47:26,393 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2021-07-10 05:47:26,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:26,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:26,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:26,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:26,625 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:47:26,625 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:47:26,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:47:26,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1580118726, now seen corresponding path program 2 times [2021-07-10 05:47:26,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:47:26,626 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086124188] [2021-07-10 05:47:26,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:47:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:47:26,686 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 05:47:26,687 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:47:26,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086124188] [2021-07-10 05:47:26,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086124188] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:26,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287110572] [2021-07-10 05:47:26,687 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 05:47:26,730 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 05:47:26,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:47:26,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-10 05:47:26,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:47:26,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:26,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 05:47:26,816 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:26,818 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 05:47:26,819 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:26,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:26,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:47:26,823 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:26,825 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 05:47:26,826 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:26,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:47:26,829 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:26,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:47:26,833 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:26,853 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-10 05:47:26,853 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:47:26,854 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 05:47:26,854 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 05:47:26,880 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 05:47:26,880 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287110572] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:26,880 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:47:26,880 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-10 05:47:26,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667810727] [2021-07-10 05:47:26,880 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 05:47:26,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:47:26,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 05:47:26,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-10 05:47:26,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:26,881 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:47:26,881 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 05:47:26,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:26,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:26,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:26,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:26,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:27,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:27,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:27,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:27,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:27,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:27,372 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:47:27,372 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:47:27,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:47:27,373 INFO L82 PathProgramCache]: Analyzing trace with hash -4067700, now seen corresponding path program 3 times [2021-07-10 05:47:27,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:47:27,373 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119139870] [2021-07-10 05:47:27,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:47:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:47:27,450 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 05:47:27,450 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:47:27,451 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119139870] [2021-07-10 05:47:27,452 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119139870] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:27,452 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579474325] [2021-07-10 05:47:27,452 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 05:47:27,487 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-10 05:47:27,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:47:27,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-10 05:47:27,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:47:27,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:27,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 05:47:27,556 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:27,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:47:27,559 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:27,574 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 05:47:27,574 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:47:27,574 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:47:27,574 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 05:47:27,606 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 05:47:27,606 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579474325] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:27,606 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:47:27,606 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-10 05:47:27,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161345817] [2021-07-10 05:47:27,606 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 05:47:27,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:47:27,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 05:47:27,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-10 05:47:27,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:27,607 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:47:27,607 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 05:47:27,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:27,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:27,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:27,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:27,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:27,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:27,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:27,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:27,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:27,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:27,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:27,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:27,908 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-07-10 05:47:27,908 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:47:27,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:47:27,909 INFO L82 PathProgramCache]: Analyzing trace with hash -127183706, now seen corresponding path program 4 times [2021-07-10 05:47:27,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:47:27,909 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262447990] [2021-07-10 05:47:27,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:47:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:47:28,435 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2021-07-10 05:47:28,550 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 05:47:28,551 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:47:28,551 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262447990] [2021-07-10 05:47:28,551 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262447990] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:28,551 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981592572] [2021-07-10 05:47:28,551 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 05:47:28,580 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 05:47:28,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:47:28,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-10 05:47:28,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:47:29,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:29,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:29,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:29,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:29,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-07-10 05:47:29,086 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:29,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:29,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:29,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:29,093 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 05:47:29,095 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:29,107 INFO L628 ElimStorePlain]: treesize reduction 94, result has 10.5 percent of original size [2021-07-10 05:47:29,107 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:47:29,107 INFO L518 ElimStorePlain]: Eliminatee v_prenex_12 vanished before elimination [2021-07-10 05:47:29,107 INFO L518 ElimStorePlain]: Eliminatee v_prenex_11 vanished before elimination [2021-07-10 05:47:29,108 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 05:47:29,108 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:140, output treesize:11 [2021-07-10 05:47:29,130 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 05:47:29,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981592572] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:29,130 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:47:29,130 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2021-07-10 05:47:29,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080376932] [2021-07-10 05:47:29,130 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 05:47:29,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:47:29,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 05:47:29,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-07-10 05:47:29,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:29,133 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:47:29,133 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 05:47:29,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:29,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:29,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:29,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:29,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:29,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:29,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:29,683 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2021-07-10 05:47:29,868 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2021-07-10 05:47:30,016 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2021-07-10 05:47:30,245 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2021-07-10 05:47:30,592 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 87 [2021-07-10 05:47:30,754 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2021-07-10 05:47:30,913 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-07-10 05:47:30,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:30,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:30,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:30,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:30,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:30,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:30,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:47:31,141 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:47:31,141 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:47:31,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:47:31,142 INFO L82 PathProgramCache]: Analyzing trace with hash 351187404, now seen corresponding path program 5 times [2021-07-10 05:47:31,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:47:31,142 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669336941] [2021-07-10 05:47:31,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:47:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:47:31,233 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 05:47:31,234 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:47:31,234 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669336941] [2021-07-10 05:47:31,234 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669336941] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:31,234 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98068664] [2021-07-10 05:47:31,234 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 05:47:31,265 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-10 05:47:31,265 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:47:31,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-10 05:47:31,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:47:31,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:47:31,357 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:31,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:31,360 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 17 treesize of output 13 [2021-07-10 05:47:31,361 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:31,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 05:47:31,364 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:31,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:31,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:47:31,369 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:31,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:47:31,372 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:31,373 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 05:47:31,374 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:31,394 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-10 05:47:31,394 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:47:31,394 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 05:47:31,395 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 05:47:31,428 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 05:47:31,428 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98068664] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:31,428 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:47:31,428 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-07-10 05:47:31,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549315040] [2021-07-10 05:47:31,429 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 05:47:31,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:47:31,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 05:47:31,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-10 05:47:31,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:31,430 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:47:31,430 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 05:47:31,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:31,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:31,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:31,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:31,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:31,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:31,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:47:31,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:31,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:31,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:31,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:31,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:31,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:31,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:31,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:31,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:31,899 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-07-10 05:47:31,899 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:47:31,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:47:31,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1964128954, now seen corresponding path program 6 times [2021-07-10 05:47:31,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:47:31,900 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240284241] [2021-07-10 05:47:31,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:47:31,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:47:31,993 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 05:47:31,993 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:47:31,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240284241] [2021-07-10 05:47:31,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240284241] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:31,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584567405] [2021-07-10 05:47:31,993 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 05:47:32,022 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-10 05:47:32,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:47:32,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-10 05:47:32,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:47:32,101 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:32,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:47:32,102 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:32,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:47:32,105 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:32,119 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 05:47:32,119 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:47:32,119 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:47:32,119 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 05:47:32,136 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 05:47:32,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584567405] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:32,136 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:47:32,136 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-07-10 05:47:32,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5556177] [2021-07-10 05:47:32,136 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 05:47:32,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:47:32,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 05:47:32,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-10 05:47:32,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:32,137 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:47:32,137 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 05:47:32,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:32,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:32,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:32,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:32,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:32,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:32,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:32,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:32,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:32,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:32,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:32,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:32,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:32,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:32,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:32,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:32,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:32,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:32,479 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-07-10 05:47:32,480 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:47:32,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:47:32,480 INFO L82 PathProgramCache]: Analyzing trace with hash 757370424, now seen corresponding path program 7 times [2021-07-10 05:47:32,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:47:32,480 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655887818] [2021-07-10 05:47:32,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:47:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:47:32,888 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2021-07-10 05:47:33,117 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 05:47:33,117 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:47:33,117 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655887818] [2021-07-10 05:47:33,117 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655887818] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:33,117 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613001892] [2021-07-10 05:47:33,117 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 05:47:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:47:33,169 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-10 05:47:33,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:47:33,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:33,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:33,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:33,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:33,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:33,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:33,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:33,857 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 05:47:33,859 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:33,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:33,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:33,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:33,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:33,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:33,865 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:33,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-07-10 05:47:33,867 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:33,879 INFO L628 ElimStorePlain]: treesize reduction 99, result has 10.0 percent of original size [2021-07-10 05:47:33,879 INFO L518 ElimStorePlain]: Eliminatee v_prenex_21 vanished before elimination [2021-07-10 05:47:33,879 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:47:33,879 INFO L518 ElimStorePlain]: Eliminatee v_prenex_20 vanished before elimination [2021-07-10 05:47:33,880 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 05:47:33,880 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:173, output treesize:11 [2021-07-10 05:47:33,909 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 05:47:33,910 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613001892] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:33,910 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:47:33,910 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-07-10 05:47:33,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484957973] [2021-07-10 05:47:33,910 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-10 05:47:33,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:47:33,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-10 05:47:33,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-07-10 05:47:33,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:33,911 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:47:33,911 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 05:47:33,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:33,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:33,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:33,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:33,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:33,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:34,636 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-07-10 05:47:34,846 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 83 [2021-07-10 05:47:35,046 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 81 [2021-07-10 05:47:35,439 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 98 [2021-07-10 05:47:35,617 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 87 [2021-07-10 05:47:35,955 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 95 [2021-07-10 05:47:36,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:36,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:36,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:36,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:36,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:36,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:36,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:36,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:36,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:36,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:47:36,337 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:47:36,338 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:47:36,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:47:36,338 INFO L82 PathProgramCache]: Analyzing trace with hash 2002561658, now seen corresponding path program 8 times [2021-07-10 05:47:36,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:47:36,338 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579915504] [2021-07-10 05:47:36,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:47:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:47:36,433 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 05:47:36,433 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:47:36,433 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579915504] [2021-07-10 05:47:36,433 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579915504] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:36,434 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380035440] [2021-07-10 05:47:36,434 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 05:47:36,465 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 05:47:36,465 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:47:36,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 05:47:36,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:47:36,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:47:36,574 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:36,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:36,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 05:47:36,578 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:36,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 05:47:36,581 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:36,583 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 05:47:36,583 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:36,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:36,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 05:47:36,586 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:36,588 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 05:47:36,589 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:36,608 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-10 05:47:36,608 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:47:36,609 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 05:47:36,609 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 05:47:36,635 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 05:47:36,635 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380035440] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:36,635 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:47:36,635 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-07-10 05:47:36,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48875060] [2021-07-10 05:47:36,635 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 05:47:36,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:47:36,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 05:47:36,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-10 05:47:36,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:36,636 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:47:36,636 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 05:47:36,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:36,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:36,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:36,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:36,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:36,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:36,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:36,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:36,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:36,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:47:36,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:37,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:37,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:37,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:37,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:37,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:37,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:37,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:37,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:37,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:37,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:47:37,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:37,237 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-07-10 05:47:37,238 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:47:37,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:47:37,239 INFO L82 PathProgramCache]: Analyzing trace with hash 464142156, now seen corresponding path program 9 times [2021-07-10 05:47:37,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:47:37,239 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465038400] [2021-07-10 05:47:37,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:47:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:47:37,408 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 05:47:37,408 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:47:37,409 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465038400] [2021-07-10 05:47:37,409 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465038400] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:37,409 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994891097] [2021-07-10 05:47:37,409 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 05:47:37,444 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 05:47:37,444 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:47:37,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 05:47:37,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:47:37,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:37,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 05:47:37,557 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:37,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:47:37,560 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:37,576 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 05:47:37,576 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:47:37,577 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:47:37,577 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 05:47:37,597 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 05:47:37,597 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994891097] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:37,597 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:47:37,598 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-07-10 05:47:37,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115966183] [2021-07-10 05:47:37,598 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 05:47:37,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:47:37,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 05:47:37,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-10 05:47:37,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:37,600 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:47:37,600 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 05:47:37,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:37,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:37,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:37,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:37,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:37,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:37,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:37,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:37,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:37,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:47:37,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:37,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:37,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:37,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:37,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:37,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:37,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:37,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:37,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:37,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:37,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:37,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:47:37,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:37,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:47:37,997 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2021-07-10 05:47:37,997 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:47:37,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:47:37,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1502419942, now seen corresponding path program 10 times [2021-07-10 05:47:37,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:47:37,998 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230384206] [2021-07-10 05:47:37,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:47:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:47:38,743 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 05:47:38,743 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:47:38,743 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230384206] [2021-07-10 05:47:38,744 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230384206] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:38,744 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424485614] [2021-07-10 05:47:38,744 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 05:47:38,776 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 05:47:38,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:47:38,777 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 53 conjunts are in the unsatisfiable core [2021-07-10 05:47:38,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:47:39,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:39,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:39,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:39,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:39,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:39,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:39,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:39,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:39,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:39,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:39,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:39,695 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 05:47:39,697 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:39,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:39,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:39,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:39,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:39,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:39,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:39,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:39,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:39,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:39,709 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:39,710 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 05:47:39,711 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:39,764 INFO L628 ElimStorePlain]: treesize reduction 91, result has 47.4 percent of original size [2021-07-10 05:47:39,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:39,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:39,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:39,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:39,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:39,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:39,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:39,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:39,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:39,774 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 05:47:39,776 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:39,788 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:47:39,788 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:47:39,791 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:39,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:47:39,794 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 05:47:39,804 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:47:39,806 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 05:47:39,806 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:257, output treesize:22 [2021-07-10 05:47:39,852 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 05:47:39,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424485614] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:39,852 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:47:39,852 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 23 [2021-07-10 05:47:39,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945905885] [2021-07-10 05:47:39,854 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-10 05:47:39,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:47:39,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-10 05:47:39,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=458, Unknown=0, NotChecked=0, Total=506 [2021-07-10 05:47:39,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:39,856 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:47:39,856 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 05:47:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:47:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:47:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:40,690 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2021-07-10 05:47:40,923 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 92 [2021-07-10 05:47:41,193 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 113 [2021-07-10 05:47:41,479 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 112 [2021-07-10 05:47:41,815 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 118 [2021-07-10 05:47:41,986 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 74 [2021-07-10 05:47:42,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:42,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:42,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:42,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:42,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:42,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:42,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:42,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:42,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:42,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:47:42,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:42,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:47:42,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:47:42,265 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:47:42,265 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:47:42,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:47:42,265 INFO L82 PathProgramCache]: Analyzing trace with hash -670707060, now seen corresponding path program 11 times [2021-07-10 05:47:42,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:47:42,266 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777311849] [2021-07-10 05:47:42,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:47:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:47:42,407 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 05:47:42,408 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:47:42,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777311849] [2021-07-10 05:47:42,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777311849] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:42,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558030042] [2021-07-10 05:47:42,408 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 05:47:42,475 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 05:47:42,476 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:47:42,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-10 05:47:42,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:47:42,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:47:42,620 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:42,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:47:42,623 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:42,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 05:47:42,626 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:42,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 05:47:42,629 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:42,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:42,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:47:42,632 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:42,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 05:47:42,635 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:42,658 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-10 05:47:42,658 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:47:42,659 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 05:47:42,659 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 05:47:42,686 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 05:47:42,686 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558030042] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:42,686 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:47:42,686 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-07-10 05:47:42,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095769353] [2021-07-10 05:47:42,687 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 05:47:42,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:47:42,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 05:47:42,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-10 05:47:42,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:42,687 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:47:42,688 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 05:47:42,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:42,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:42,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:42,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:42,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:42,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:42,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:42,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:42,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:42,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:47:42,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:42,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:47:42,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:47:42,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:43,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:43,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:43,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:43,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:43,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:43,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:43,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:43,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:43,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:43,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:47:43,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:43,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:47:43,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:47:43,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:47:43,410 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable83 [2021-07-10 05:47:43,410 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:47:43,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:47:43,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1117071366, now seen corresponding path program 12 times [2021-07-10 05:47:43,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:47:43,411 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471199363] [2021-07-10 05:47:43,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:47:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:47:43,544 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 05:47:43,545 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:47:43,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471199363] [2021-07-10 05:47:43,545 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471199363] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:43,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703119040] [2021-07-10 05:47:43,545 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 05:47:43,579 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-10 05:47:43,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:47:43,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-10 05:47:43,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:47:43,710 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:43,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:47:43,711 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:43,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 05:47:43,714 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:43,729 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 05:47:43,729 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:47:43,729 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:47:43,729 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 05:47:43,752 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 05:47:43,752 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703119040] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:43,752 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:47:43,752 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-07-10 05:47:43,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884972468] [2021-07-10 05:47:43,753 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 05:47:43,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:47:43,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 05:47:43,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-10 05:47:43,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:43,754 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:47:43,754 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 05:47:43,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:43,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:43,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:43,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:43,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:43,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:43,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:43,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:43,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:43,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:47:43,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:43,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:47:43,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:47:43,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:47:43,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:44,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:44,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:44,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:44,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:44,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:44,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:44,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:44,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:44,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:44,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:47:44,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:44,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:47:44,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:47:44,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:47:44,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:44,239 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:47:44,239 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:47:44,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:47:44,240 INFO L82 PathProgramCache]: Analyzing trace with hash -270558984, now seen corresponding path program 13 times [2021-07-10 05:47:44,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:47:44,240 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223225291] [2021-07-10 05:47:44,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:47:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:47:44,747 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 05:47:44,748 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:47:44,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223225291] [2021-07-10 05:47:44,748 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223225291] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:44,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069792095] [2021-07-10 05:47:44,748 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 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 05:47:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:47:44,783 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 65 conjunts are in the unsatisfiable core [2021-07-10 05:47:44,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:47:45,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:45,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:45,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:45,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:45,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:45,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:45,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:45,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:45,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:45,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:45,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:45,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 05:47:45,971 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:45,993 INFO L628 ElimStorePlain]: treesize reduction 177, result has 5.9 percent of original size [2021-07-10 05:47:45,993 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:47:45,993 INFO L518 ElimStorePlain]: Eliminatee v_prenex_41 vanished before elimination [2021-07-10 05:47:45,993 INFO L518 ElimStorePlain]: Eliminatee v_prenex_40 vanished before elimination [2021-07-10 05:47:45,994 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 05:47:45,994 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:239, output treesize:11 [2021-07-10 05:47:46,028 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 05:47:46,028 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069792095] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:46,028 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:47:46,028 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2021-07-10 05:47:46,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798371474] [2021-07-10 05:47:46,029 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-10 05:47:46,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:47:46,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-10 05:47:46,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-07-10 05:47:46,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:46,029 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:47:46,029 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 05:47:46,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:46,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:46,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:46,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:46,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:46,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:46,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:46,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:46,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:46,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:47:46,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:46,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:47:46,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:47:46,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:47:46,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:46,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:47,723 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2021-07-10 05:47:47,893 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2021-07-10 05:47:48,084 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2021-07-10 05:47:48,277 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 85 [2021-07-10 05:47:48,468 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 85 [2021-07-10 05:47:48,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:48,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:48,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:48,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:48,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:48,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:48,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:48,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:48,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:48,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:47:48,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:48,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:47:48,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:47:48,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:47:48,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:48,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:47:48,869 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:47:48,869 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:47:48,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:47:48,869 INFO L82 PathProgramCache]: Analyzing trace with hash 201521082, now seen corresponding path program 14 times [2021-07-10 05:47:48,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:47:48,870 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441829759] [2021-07-10 05:47:48,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:47:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:47:49,059 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 05:47:49,059 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:47:49,059 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441829759] [2021-07-10 05:47:49,059 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441829759] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:49,059 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172101577] [2021-07-10 05:47:49,059 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 05:47:49,093 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 05:47:49,093 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:47:49,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-10 05:47:49,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:47:49,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:47:49,267 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:49,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:47:49,270 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:49,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:49,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:47:49,273 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:49,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:47:49,276 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:49,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:49,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:47:49,279 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:49,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:47:49,282 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:49,306 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-10 05:47:49,306 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:47:49,307 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 05:47:49,307 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 05:47:49,343 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 05:47:49,344 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172101577] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:49,344 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:47:49,344 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-07-10 05:47:49,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093457105] [2021-07-10 05:47:49,344 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-10 05:47:49,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:47:49,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-10 05:47:49,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-10 05:47:49,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:49,345 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:47:49,346 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 05:47:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:47:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:47:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:47:49,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:47:49,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:49,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:47:49,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:50,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:50,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:50,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:50,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:50,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:50,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:50,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:50,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:50,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:50,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:47:50,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:50,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:47:50,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:47:50,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:47:50,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:50,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:47:50,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:47:50,259 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable112 [2021-07-10 05:47:50,259 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:47:50,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:47:50,259 INFO L82 PathProgramCache]: Analyzing trace with hash -750870516, now seen corresponding path program 15 times [2021-07-10 05:47:50,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:47:50,260 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102905119] [2021-07-10 05:47:50,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:47:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:47:50,444 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 05:47:50,444 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:47:50,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102905119] [2021-07-10 05:47:50,444 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102905119] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:50,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677876426] [2021-07-10 05:47:50,444 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 05:47:50,485 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-10 05:47:50,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:47:50,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-10 05:47:50,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:47:50,658 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:50,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 05:47:50,660 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:50,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 05:47:50,662 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:50,677 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 05:47:50,677 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:47:50,677 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:47:50,677 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 05:47:50,700 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 05:47:50,700 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677876426] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:50,700 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:47:50,700 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-07-10 05:47:50,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634345862] [2021-07-10 05:47:50,700 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-10 05:47:50,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:47:50,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-10 05:47:50,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-10 05:47:50,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:50,701 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:47:50,701 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 05:47:50,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:50,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:50,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:50,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:50,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:50,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:50,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:50,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:50,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:50,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:47:50,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:50,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:47:50,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:47:50,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:47:50,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:50,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:47:50,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:47:50,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:51,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:51,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:51,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:51,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:51,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:51,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:51,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:51,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:51,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:51,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:47:51,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:51,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:47:51,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:47:51,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:47:51,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:51,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:47:51,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:47:51,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:47:51,246 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:47:51,246 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:47:51,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:47:51,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1803234522, now seen corresponding path program 16 times [2021-07-10 05:47:51,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:47:51,247 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147379400] [2021-07-10 05:47:51,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:47:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:47:51,717 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 05:47:51,717 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:47:51,717 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147379400] [2021-07-10 05:47:51,717 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147379400] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:51,717 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387543778] [2021-07-10 05:47:51,717 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 05:47:51,755 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 05:47:51,755 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:47:51,757 WARN L261 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 77 conjunts are in the unsatisfiable core [2021-07-10 05:47:51,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:47:53,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:53,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:53,409 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 05:47:53,412 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:53,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:53,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:47:53,434 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 05:47:53,436 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:53,448 INFO L628 ElimStorePlain]: treesize reduction 132, result has 7.7 percent of original size [2021-07-10 05:47:53,448 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:47:53,448 INFO L518 ElimStorePlain]: Eliminatee v_prenex_52 vanished before elimination [2021-07-10 05:47:53,448 INFO L518 ElimStorePlain]: Eliminatee v_prenex_51 vanished before elimination [2021-07-10 05:47:53,461 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 05:47:53,461 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:272, output treesize:11 [2021-07-10 05:47:53,512 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:47:53,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387543778] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:53,513 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:47:53,513 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 30 [2021-07-10 05:47:53,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833644518] [2021-07-10 05:47:53,514 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-10 05:47:53,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:47:53,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-10 05:47:53,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=799, Unknown=0, NotChecked=0, Total=870 [2021-07-10 05:47:53,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:53,515 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:47:53,515 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 30 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:47:53,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:53,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:47:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:47:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:47:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:47:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:47:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:47:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:47:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:55,638 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 60 [2021-07-10 05:47:55,826 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 63 [2021-07-10 05:47:56,034 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 63 [2021-07-10 05:47:56,248 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 63 [2021-07-10 05:47:56,462 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 94 [2021-07-10 05:47:56,679 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 94 [2021-07-10 05:47:56,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:56,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:56,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:56,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:56,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:56,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:56,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:56,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:56,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:56,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:47:56,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:56,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:47:56,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:47:56,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:47:56,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:56,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:47:56,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:47:56,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:47:56,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:47:57,065 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable121 [2021-07-10 05:47:57,065 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:47:57,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:47:57,066 INFO L82 PathProgramCache]: Analyzing trace with hash -66780340, now seen corresponding path program 17 times [2021-07-10 05:47:57,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:47:57,066 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836482151] [2021-07-10 05:47:57,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:47:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:47:57,257 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 05:47:57,257 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:47:57,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836482151] [2021-07-10 05:47:57,257 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836482151] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:57,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599825283] [2021-07-10 05:47:57,257 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 05:47:57,313 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-10 05:47:57,313 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:47:57,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-10 05:47:57,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:47:57,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:57,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 05:47:57,578 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:57,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:57,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:47:57,582 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:57,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 05:47:57,585 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:57,587 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 05:47:57,588 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:57,589 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 05:47:57,590 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:57,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:47:57,593 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:57,612 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-10 05:47:57,613 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:47:57,613 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 05:47:57,613 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 05:47:57,648 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 05:47:57,648 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599825283] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:57,648 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:47:57,648 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-07-10 05:47:57,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385032196] [2021-07-10 05:47:57,648 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 05:47:57,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:47:57,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 05:47:57,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-10 05:47:57,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:57,649 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:47:57,649 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 05:47:57,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:57,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:57,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:57,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:57,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:57,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:57,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:57,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:57,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:57,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:47:57,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:57,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:47:57,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:47:57,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:47:57,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:57,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:47:57,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:47:57,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:47:57,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:47:57,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:58,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:58,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:58,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:58,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:58,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:58,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:58,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:58,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:58,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:58,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:47:58,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:58,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:47:58,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:47:58,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:47:58,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:58,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:47:58,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:47:58,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:47:58,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:47:58,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:47:58,617 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable144 [2021-07-10 05:47:58,617 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:47:58,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:47:58,617 INFO L82 PathProgramCache]: Analyzing trace with hash 473851194, now seen corresponding path program 18 times [2021-07-10 05:47:58,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:47:58,618 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139035226] [2021-07-10 05:47:58,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:47:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:47:58,844 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 05:47:58,844 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:47:58,845 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139035226] [2021-07-10 05:47:58,845 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139035226] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:58,845 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80824626] [2021-07-10 05:47:58,845 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 05:47:58,918 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-10 05:47:58,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:47:58,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-10 05:47:58,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:47:59,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:47:59,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 05:47:59,178 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:59,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:47:59,181 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:47:59,194 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 05:47:59,194 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:47:59,195 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:47:59,195 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 05:47:59,219 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 05:47:59,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80824626] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:47:59,219 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:47:59,219 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-07-10 05:47:59,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437826660] [2021-07-10 05:47:59,220 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 05:47:59,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:47:59,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 05:47:59,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-10 05:47:59,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:59,221 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:47:59,221 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 05:47:59,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:59,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:59,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:59,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:59,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:59,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:59,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:59,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:59,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:59,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:47:59,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:59,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:47:59,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:47:59,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:47:59,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:59,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:47:59,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:47:59,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:47:59,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:47:59,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:47:59,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:47:59,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:47:59,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:59,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:47:59,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:59,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:59,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:47:59,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:59,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:47:59,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:47:59,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:47:59,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:47:59,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:47:59,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:47:59,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:47:59,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:47:59,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:47:59,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:47:59,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:47:59,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:47:59,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:47:59,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:47:59,896 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable150 [2021-07-10 05:47:59,897 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:47:59,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:47:59,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1803400120, now seen corresponding path program 19 times [2021-07-10 05:47:59,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:47:59,897 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88023136] [2021-07-10 05:47:59,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:47:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:48:00,766 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 05:48:00,767 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:48:00,767 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88023136] [2021-07-10 05:48:00,767 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88023136] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:48:00,767 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676323176] [2021-07-10 05:48:00,767 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 05:48:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:48:00,806 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 89 conjunts are in the unsatisfiable core [2021-07-10 05:48:00,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:48:02,190 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2021-07-10 05:48:02,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:02,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:02,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:02,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:02,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:02,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:02,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:02,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:02,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:02,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:02,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:02,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:02,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:02,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:02,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:02,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:02,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:02,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:02,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:02,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:02,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:02,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:02,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:02,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:48:02,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:02,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:02,940 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 05:48:02,942 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:02,967 INFO L628 ElimStorePlain]: treesize reduction 217, result has 4.8 percent of original size [2021-07-10 05:48:02,968 INFO L518 ElimStorePlain]: Eliminatee v_prenex_65 vanished before elimination [2021-07-10 05:48:02,968 INFO L518 ElimStorePlain]: Eliminatee v_prenex_64 vanished before elimination [2021-07-10 05:48:02,968 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:48:02,968 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 05:48:02,968 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:305, output treesize:11 [2021-07-10 05:48:03,022 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 05:48:03,022 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676323176] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:48:03,022 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:48:03,022 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18] total 35 [2021-07-10 05:48:03,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526757598] [2021-07-10 05:48:03,022 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-10 05:48:03,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:48:03,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-10 05:48:03,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=1114, Unknown=0, NotChecked=0, Total=1190 [2021-07-10 05:48:03,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:48:03,023 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:48:03,023 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:48:03,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:48:03,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:03,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:03,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:03,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:03,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:48:03,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:03,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:48:03,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:03,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:03,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:03,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:48:03,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:03,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:48:03,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:03,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:48:03,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:48:03,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:03,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:48:03,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:48:03,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:03,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:48:04,360 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-07-10 05:48:04,620 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2021-07-10 05:48:04,936 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-07-10 05:48:05,244 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 90 [2021-07-10 05:48:05,713 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 117 [2021-07-10 05:48:06,051 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 90 [2021-07-10 05:48:06,431 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 125 [2021-07-10 05:48:06,890 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 128 [2021-07-10 05:48:07,346 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 124 [2021-07-10 05:48:07,589 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2021-07-10 05:48:07,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:48:07,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:07,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:07,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:07,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:07,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:48:07,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:07,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:48:07,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:07,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:07,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:07,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:48:07,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:07,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:48:07,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:07,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:48:07,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:48:07,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:07,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:48:07,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:48:07,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:07,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:48:07,889 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:48:07,890 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:48:07,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:48:07,890 INFO L82 PathProgramCache]: Analyzing trace with hash 69743866, now seen corresponding path program 20 times [2021-07-10 05:48:07,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:48:07,890 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371701736] [2021-07-10 05:48:07,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:48:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:48:08,141 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 05:48:08,141 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:48:08,141 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371701736] [2021-07-10 05:48:08,141 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371701736] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:48:08,141 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376252018] [2021-07-10 05:48:08,142 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 05:48:08,179 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 05:48:08,179 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:48:08,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-10 05:48:08,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:48:08,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:48:08,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 05:48:08,470 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:08,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:48:08,473 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:08,475 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 05:48:08,476 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:08,477 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 05:48:08,478 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:08,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:48:08,481 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:08,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:48:08,483 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:08,502 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-10 05:48:08,502 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:48:08,503 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 05:48:08,503 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 05:48:08,538 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 05:48:08,538 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376252018] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:48:08,538 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:48:08,538 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-07-10 05:48:08,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624130221] [2021-07-10 05:48:08,538 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-10 05:48:08,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:48:08,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-10 05:48:08,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-07-10 05:48:08,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:48:08,539 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:48:08,539 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 05:48:08,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:48:08,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:08,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:08,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:48:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:48:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:48:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:48:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:48:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:48:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:48:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:48:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:48:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:48:09,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:48:09,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:09,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:09,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:09,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:09,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:48:09,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:09,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:48:09,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:48:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:48:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:48:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:48:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:48:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:48:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:48:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:48:09,998 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:48:09,998 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:48:09,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:48:09,999 INFO L82 PathProgramCache]: Analyzing trace with hash -350547764, now seen corresponding path program 21 times [2021-07-10 05:48:09,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:48:09,999 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681962894] [2021-07-10 05:48:09,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:48:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:48:10,234 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 05:48:10,234 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:48:10,234 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681962894] [2021-07-10 05:48:10,234 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681962894] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:48:10,234 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099531973] [2021-07-10 05:48:10,234 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 05:48:10,307 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 05:48:10,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:48:10,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-10 05:48:10,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:48:10,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:48:10,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 05:48:10,638 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:10,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:48:10,642 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:10,655 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 05:48:10,655 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:48:10,656 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:48:10,656 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 05:48:10,682 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 05:48:10,682 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099531973] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:48:10,682 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:48:10,682 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-07-10 05:48:10,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885835595] [2021-07-10 05:48:10,682 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-10 05:48:10,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:48:10,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-10 05:48:10,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-07-10 05:48:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:48:10,683 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:48:10,683 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 05:48:10,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:48:10,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:48:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:48:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:48:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:48:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:48:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:48:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:48:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:48:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:48:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:48:10,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:48:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:48:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:48:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:48:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:48:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:48:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:48:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:48:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:48:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:48:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:48:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:48:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:48:11,320 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:48:11,321 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:48:11,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:48:11,321 INFO L82 PathProgramCache]: Analyzing trace with hash 2016836198, now seen corresponding path program 22 times [2021-07-10 05:48:11,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:48:11,321 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932780350] [2021-07-10 05:48:11,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:48:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:48:12,042 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 05:48:12,042 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:48:12,042 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932780350] [2021-07-10 05:48:12,043 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932780350] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:48:12,043 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838407138] [2021-07-10 05:48:12,043 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 05:48:12,082 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 05:48:12,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:48:12,083 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2021-07-10 05:48:12,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:48:13,233 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-10 05:48:13,447 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-10 05:48:13,677 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-10 05:48:13,955 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-10 05:48:14,218 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-10 05:48:14,476 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-10 05:48:14,758 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-10 05:48:14,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:48:14,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:14,849 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 05:48:14,852 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:14,878 INFO L628 ElimStorePlain]: treesize reduction 239, result has 4.4 percent of original size [2021-07-10 05:48:14,878 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:48:14,878 INFO L518 ElimStorePlain]: Eliminatee v_prenex_78 vanished before elimination [2021-07-10 05:48:14,878 INFO L518 ElimStorePlain]: Eliminatee v_prenex_77 vanished before elimination [2021-07-10 05:48:14,878 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 05:48:14,878 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:338, output treesize:11 [2021-07-10 05:48:14,885 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 05:48:14,885 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838407138] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:48:14,885 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:48:14,886 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 37 [2021-07-10 05:48:14,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497631407] [2021-07-10 05:48:14,886 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-10 05:48:14,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:48:14,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-10 05:48:14,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1244, Unknown=0, NotChecked=0, Total=1332 [2021-07-10 05:48:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:48:14,887 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:48:14,887 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 05:48:14,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:48:14,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:14,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:14,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:14,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:14,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:48:14,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:14,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:48:14,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:14,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:14,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:14,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:48:14,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:14,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:48:14,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:14,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:48:14,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:48:14,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:14,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:48:14,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:48:14,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:14,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:48:14,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:48:14,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:48:14,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:48:19,598 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-10 05:48:19,813 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 111 [2021-07-10 05:48:20,036 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 111 [2021-07-10 05:48:20,298 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 117 [2021-07-10 05:48:20,552 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 117 [2021-07-10 05:48:20,799 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 117 [2021-07-10 05:48:21,034 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 117 [2021-07-10 05:48:21,332 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 117 [2021-07-10 05:48:21,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:48:21,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:21,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:21,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:21,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:21,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:48:21,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:21,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:48:21,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:21,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:21,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:21,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:48:21,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:21,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:48:21,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:21,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:48:21,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:48:21,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:21,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:48:21,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:48:21,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:21,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:48:21,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:48:21,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:48:21,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:48:21,769 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:48:21,769 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:48:21,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:48:21,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1903672308, now seen corresponding path program 23 times [2021-07-10 05:48:21,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:48:21,770 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198861251] [2021-07-10 05:48:21,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:48:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:48:22,103 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 05:48:22,103 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:48:22,103 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198861251] [2021-07-10 05:48:22,103 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198861251] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:48:22,103 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940517726] [2021-07-10 05:48:22,103 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 05:48:22,146 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 05:48:22,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:48:22,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-10 05:48:22,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:48:22,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:48:22,471 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:22,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:48:22,474 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:22,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:48:22,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:48:22,477 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:22,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:48:22,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 05:48:22,480 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:22,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:48:22,483 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:22,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:48:22,486 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:22,509 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-10 05:48:22,509 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:48:22,510 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 05:48:22,510 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 05:48:22,549 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 05:48:22,549 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940517726] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:48:22,549 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:48:22,549 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-07-10 05:48:22,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785288542] [2021-07-10 05:48:22,550 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 05:48:22,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:48:22,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 05:48:22,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-07-10 05:48:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:48:22,550 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:48:22,551 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 05:48:22,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:48:22,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:22,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:22,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:22,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:22,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:48:22,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:22,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:48:22,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:22,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:22,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:22,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:48:22,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:22,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:48:22,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:22,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:48:22,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:48:22,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:22,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:48:22,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:48:22,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:22,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:48:22,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:48:22,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:48:22,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:48:22,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:48:23,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:48:23,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:23,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:23,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:23,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:23,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:48:23,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:23,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:48:23,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:23,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:23,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:23,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:48:23,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:23,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:48:23,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:23,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:48:23,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:48:23,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:23,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:48:23,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:48:23,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:23,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:48:23,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:48:23,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:48:23,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:48:23,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:48:24,060 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable214 [2021-07-10 05:48:24,061 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:48:24,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:48:24,061 INFO L82 PathProgramCache]: Analyzing trace with hash -2047810950, now seen corresponding path program 24 times [2021-07-10 05:48:24,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:48:24,061 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885379182] [2021-07-10 05:48:24,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:48:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:48:24,349 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 05:48:24,350 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:48:24,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885379182] [2021-07-10 05:48:24,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885379182] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:48:24,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046473941] [2021-07-10 05:48:24,351 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 05:48:24,395 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-10 05:48:24,396 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:48:24,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-10 05:48:24,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:48:24,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:48:24,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:48:24,715 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:24,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:48:24,718 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:24,734 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 05:48:24,735 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:48:24,735 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:48:24,735 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 05:48:24,770 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 05:48:24,770 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046473941] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:48:24,770 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:48:24,770 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-07-10 05:48:24,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881031062] [2021-07-10 05:48:24,771 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 05:48:24,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:48:24,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 05:48:24,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-07-10 05:48:24,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:48:24,772 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:48:24,772 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 05:48:24,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:48:24,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:24,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:24,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:24,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:24,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:48:24,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:24,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:48:24,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:24,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:24,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:24,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:48:24,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:24,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:48:24,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:24,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:48:24,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:48:24,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:24,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:48:24,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:48:24,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:24,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:48:24,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:48:24,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:48:24,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:48:24,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:48:24,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:48:25,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:48:25,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:25,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:25,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:25,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:25,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:48:25,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:25,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:48:25,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:25,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:25,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:25,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:48:25,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:25,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:48:25,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:25,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:48:25,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:48:25,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:25,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:48:25,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:48:25,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:25,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:48:25,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:48:25,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:48:25,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:48:25,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:48:25,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:48:25,661 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:48:25,661 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:48:25,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:48:25,662 INFO L82 PathProgramCache]: Analyzing trace with hash 941284984, now seen corresponding path program 25 times [2021-07-10 05:48:25,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:48:25,662 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912863711] [2021-07-10 05:48:25,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:48:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:48:26,616 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 05:48:26,616 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:48:26,616 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912863711] [2021-07-10 05:48:26,616 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912863711] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:48:26,616 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849065580] [2021-07-10 05:48:26,616 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 05:48:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:48:26,668 WARN L261 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 113 conjunts are in the unsatisfiable core [2021-07-10 05:48:26,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:48:27,920 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-10 05:48:28,168 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 05:48:28,412 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-10 05:48:28,658 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 05:48:28,937 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 05:48:29,251 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 05:48:29,499 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-10 05:48:29,770 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-10 05:48:29,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:48:29,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:48:29,892 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 05:48:29,896 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:29,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:48:29,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:29,928 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 05:48:29,931 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:29,944 INFO L628 ElimStorePlain]: treesize reduction 171, result has 6.0 percent of original size [2021-07-10 05:48:29,944 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 05:48:29,944 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:48:29,944 INFO L518 ElimStorePlain]: Eliminatee v_prenex_90 vanished before elimination [2021-07-10 05:48:29,944 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 05:48:29,944 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:371, output treesize:11 [2021-07-10 05:48:29,997 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 05:48:29,997 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849065580] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:48:29,997 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:48:29,997 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 42 [2021-07-10 05:48:29,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258251559] [2021-07-10 05:48:29,998 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-10 05:48:29,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:48:29,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-10 05:48:29,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1621, Unknown=0, NotChecked=0, Total=1722 [2021-07-10 05:48:29,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:48:29,999 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:48:29,999 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 05:48:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:48:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:48:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:48:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:48:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:29,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:48:30,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:30,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:48:30,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:48:30,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:30,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:48:30,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:48:30,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:30,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:48:30,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:48:30,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:48:30,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:48:30,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:48:30,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:48:30,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:48:36,751 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 119 [2021-07-10 05:48:37,281 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 122 [2021-07-10 05:48:37,572 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 123 [2021-07-10 05:48:37,873 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 123 [2021-07-10 05:48:38,218 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 122 [2021-07-10 05:48:38,580 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 122 [2021-07-10 05:48:38,894 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 123 [2021-07-10 05:48:39,303 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 122 [2021-07-10 05:48:39,650 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 122 [2021-07-10 05:48:39,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:48:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:48:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:48:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:48:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:48:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:48:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:48:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:48:39,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:48:39,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:39,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:48:39,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:48:39,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:48:39,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:48:39,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:48:39,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:48:39,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:48:40,159 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable222 [2021-07-10 05:48:40,159 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:48:40,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:48:40,160 INFO L82 PathProgramCache]: Analyzing trace with hash -886021574, now seen corresponding path program 26 times [2021-07-10 05:48:40,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:48:40,160 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809339181] [2021-07-10 05:48:40,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:48:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:48:40,648 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 05:48:40,648 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:48:40,648 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809339181] [2021-07-10 05:48:40,648 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809339181] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:48:40,648 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867293833] [2021-07-10 05:48:40,648 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 05:48:40,689 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 05:48:40,689 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:48:40,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-10 05:48:40,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:48:41,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:48:41,111 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:41,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:48:41,114 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:41,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:48:41,118 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:41,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:48:41,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:48:41,121 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:41,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:48:41,124 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:41,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 05:48:41,127 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:41,151 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-10 05:48:41,151 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:48:41,152 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 05:48:41,152 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 05:48:41,194 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 05:48:41,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867293833] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:48:41,195 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:48:41,195 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-07-10 05:48:41,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149224585] [2021-07-10 05:48:41,195 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-10 05:48:41,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:48:41,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-10 05:48:41,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-07-10 05:48:41,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:48:41,196 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:48:41,196 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 05:48:41,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:48:41,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:41,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:41,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:41,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:41,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:48:41,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:48:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:48:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:48:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:48:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:48:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:48:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:48:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:48:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:48:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:48:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:48:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:48:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:48:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:48:41,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:48:42,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:48:42,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:42,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:42,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:42,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:42,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:48:42,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:42,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:48:42,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:42,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:42,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:42,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:48:42,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:42,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:48:42,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:42,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:48:42,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:48:42,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:42,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:48:42,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:48:42,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:42,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:48:42,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:48:42,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:48:42,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:48:42,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:48:42,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:48:42,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:48:42,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:48:42,997 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable253,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:48:42,997 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:48:42,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:48:42,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1059352180, now seen corresponding path program 27 times [2021-07-10 05:48:42,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:48:42,998 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36227077] [2021-07-10 05:48:42,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:48:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:48:43,309 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 05:48:43,309 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:48:43,309 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36227077] [2021-07-10 05:48:43,309 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36227077] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:48:43,310 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133647573] [2021-07-10 05:48:43,310 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 05:48:43,357 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-10 05:48:43,357 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:48:43,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-10 05:48:43,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:48:43,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:48:43,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 05:48:43,726 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:43,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 05:48:43,729 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:43,768 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 05:48:43,768 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:48:43,769 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:48:43,769 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 05:48:43,803 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 05:48:43,804 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133647573] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:48:43,804 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:48:43,804 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-07-10 05:48:43,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600497156] [2021-07-10 05:48:43,804 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-10 05:48:43,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:48:43,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-10 05:48:43,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-07-10 05:48:43,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:48:43,805 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:48:43,805 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 05:48:43,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:48:43,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:43,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:43,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:43,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:43,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:48:43,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:43,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:48:43,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:43,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:43,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:43,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:48:43,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:43,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:48:43,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:43,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:48:43,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:48:43,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:43,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:48:43,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:48:43,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:43,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:48:43,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:48:43,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:48:43,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:48:43,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:48:43,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:48:43,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:48:43,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:48:43,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:48:44,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:48:44,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:44,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:44,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:44,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:48:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:48:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:48:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:48:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:48:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:48:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:48:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:48:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:48:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:48:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:48:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:48:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:48:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:48:44,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:48:44,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:48:44,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:48:44,732 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable259 [2021-07-10 05:48:44,733 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:48:44,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:48:44,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1518735782, now seen corresponding path program 28 times [2021-07-10 05:48:44,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:48:44,733 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254329353] [2021-07-10 05:48:44,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:48:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:48:45,731 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 05:48:45,731 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:48:45,731 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254329353] [2021-07-10 05:48:45,731 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254329353] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:48:45,731 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347756199] [2021-07-10 05:48:45,731 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 05:48:45,776 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 05:48:45,776 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:48:45,778 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 125 conjunts are in the unsatisfiable core [2021-07-10 05:48:45,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:48:47,383 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-10 05:48:47,648 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-10 05:48:47,988 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-10 05:48:48,251 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-10 05:48:48,533 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-10 05:48:48,803 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-10 05:48:49,108 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-10 05:48:49,391 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-10 05:48:49,742 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-10 05:48:49,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,815 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:48:49,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:48:49,871 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 05:48:49,874 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:49,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:48:49,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:48:49,909 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 05:48:49,912 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:48:49,925 INFO L628 ElimStorePlain]: treesize reduction 176, result has 5.9 percent of original size [2021-07-10 05:48:49,925 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:48:49,925 INFO L518 ElimStorePlain]: Eliminatee v_prenex_101 vanished before elimination [2021-07-10 05:48:49,925 INFO L518 ElimStorePlain]: Eliminatee v_prenex_102 vanished before elimination [2021-07-10 05:48:49,925 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 05:48:49,926 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:404, output treesize:11 [2021-07-10 05:48:49,933 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 05:48:49,933 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347756199] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:48:49,933 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:48:49,933 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 45 [2021-07-10 05:48:49,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261645866] [2021-07-10 05:48:49,934 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-07-10 05:48:49,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:48:49,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-07-10 05:48:49,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1872, Unknown=0, NotChecked=0, Total=1980 [2021-07-10 05:48:49,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:48:49,934 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:48:49,935 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 1.1777777777777778) internal successors, (53), 45 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:48:49,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:48:49,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:49,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:48:49,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:49,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:49,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:48:49,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:49,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:48:49,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:48:49,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:49,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:48:49,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:48:49,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:49,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:48:49,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:48:49,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:48:49,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:48:49,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:48:49,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:48:49,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:48:49,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:48:49,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:48:49,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:48:49,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:48:49,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:48:49,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:48:49,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:48:49,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:48:49,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:48:49,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:48:49,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:48:57,925 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 127 [2021-07-10 05:48:58,292 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 130 [2021-07-10 05:48:58,720 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 130 [2021-07-10 05:48:59,097 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 130 [2021-07-10 05:48:59,514 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 130 [2021-07-10 05:48:59,905 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 130 [2021-07-10 05:49:00,305 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 130 [2021-07-10 05:49:00,752 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 130 [2021-07-10 05:49:01,144 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 130 [2021-07-10 05:49:01,561 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 130 [2021-07-10 05:49:01,785 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2021-07-10 05:49:01,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:49:01,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:49:01,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:49:01,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:49:01,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:49:01,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:49:01,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:49:01,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:49:01,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:49:01,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:49:01,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:49:01,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:49:01,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:49:01,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:49:01,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:49:01,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:49:01,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:49:01,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:49:01,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:49:01,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:49:01,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:49:01,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:49:01,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:49:01,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:49:01,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:49:01,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:49:01,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:49:01,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:49:01,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:49:01,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:49:01,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:49:02,109 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable261,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:49:02,109 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:49:02,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:49:02,109 INFO L82 PathProgramCache]: Analyzing trace with hash -164916020, now seen corresponding path program 29 times [2021-07-10 05:49:02,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:49:02,109 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791330571] [2021-07-10 05:49:02,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:49:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:49:02,641 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 05:49:02,641 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:49:02,641 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791330571] [2021-07-10 05:49:02,642 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791330571] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:49:02,642 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50650720] [2021-07-10 05:49:02,642 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 05:49:02,697 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-10 05:49:02,697 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:49:02,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-10 05:49:02,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:49:03,158 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:49:03,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 05:49:03,160 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:49:03,162 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:49:03,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:49:03,163 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:49:03,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:49:03,166 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 05:49:03,168 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 05:49:03,169 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 05:49:03,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:49:03,172 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 05:49:03,174 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 05:49:03,174 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 05:49:03,199 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-10 05:49:03,199 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:49:03,201 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 05:49:03,201 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 05:49:03,248 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 05:49:03,249 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50650720] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:49:03,249 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:49:03,249 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-07-10 05:49:03,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150006888] [2021-07-10 05:49:03,249 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-10 05:49:03,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:49:03,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-10 05:49:03,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-07-10 05:49:03,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:49:03,250 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:49:03,250 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 05:49:03,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:49:03,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:49:03,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:49:03,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:49:03,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:49:03,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:49:03,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:49:03,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:49:03,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:49:03,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:49:03,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:49:03,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:49:03,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:49:03,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:49:03,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:49:03,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:49:03,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:49:03,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:49:03,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:49:03,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:49:03,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:49:03,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:49:03,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:49:03,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:49:03,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:49:03,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:49:03,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:49:03,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:49:03,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:49:03,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:49:03,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:49:03,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:49:04,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:49:04,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:49:04,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:49:04,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:49:04,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:49:04,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:49:04,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:49:04,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:49:04,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:49:04,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:49:04,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:49:04,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:49:04,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:49:04,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:49:04,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:49:04,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:49:04,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:49:04,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:49:04,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:49:04,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:49:04,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:49:04,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:49:04,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:49:04,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:49:04,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:49:04,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:49:04,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:49:04,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:49:04,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:49:04,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:49:04,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:49:04,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:49:05,167 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable296,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:49:05,168 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:49:05,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:49:05,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1243197510, now seen corresponding path program 30 times [2021-07-10 05:49:05,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:49:05,168 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883255507] [2021-07-10 05:49:05,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:49:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:49:05,580 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 05:49:05,581 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:49:05,581 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883255507] [2021-07-10 05:49:05,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883255507] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:49:05,581 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251995308] [2021-07-10 05:49:05,581 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 05:49:05,630 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-10 05:49:05,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:49:05,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-10 05:49:05,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:49:06,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:49:06,039 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 15 treesize of output 11 [2021-07-10 05:49:06,039 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:49:06,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 05:49:06,042 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:49:06,058 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 05:49:06,058 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:49:06,059 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:49:06,059 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 05:49:06,095 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 05:49:06,096 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251995308] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:49:06,096 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:49:06,096 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-07-10 05:49:06,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447277792] [2021-07-10 05:49:06,096 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-10 05:49:06,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:49:06,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-10 05:49:06,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-07-10 05:49:06,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:49:06,097 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:49:06,097 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 05:49:06,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:49:06,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:49:06,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:49:06,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:49:06,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:49:06,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:49:06,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:49:06,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:49:06,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:49:06,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:49:06,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:49:06,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:49:06,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:49:06,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:49:06,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:49:06,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:49:06,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:49:06,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:49:06,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:49:06,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:49:06,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:49:06,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:49:06,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:49:06,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:49:06,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:49:06,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:49:06,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:49:06,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:49:06,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:49:06,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:49:06,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:49:06,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:49:06,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:49:07,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:49:07,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:49:07,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:49:07,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:49:07,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:49:07,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:49:07,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:49:07,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:49:07,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:49:07,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:49:07,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:49:07,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:49:07,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:49:07,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:49:07,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:49:07,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:49:07,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:49:07,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:49:07,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:49:07,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:49:07,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:49:07,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:49:07,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:49:07,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:49:07,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:49:07,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:49:07,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:49:07,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:49:07,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:49:07,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:49:07,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:49:07,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:49:07,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:49:07,302 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable303 [2021-07-10 05:49:07,302 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:49:07,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:49:07,302 INFO L82 PathProgramCache]: Analyzing trace with hash 114497848, now seen corresponding path program 31 times [2021-07-10 05:49:07,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:49:07,302 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119122126] [2021-07-10 05:49:07,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:49:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:49:08,734 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 05:49:08,735 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:49:08,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119122126] [2021-07-10 05:49:08,735 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119122126] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:49:08,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40799929] [2021-07-10 05:49:08,735 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 05:49:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:49:08,790 WARN L261 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 137 conjunts are in the unsatisfiable core [2021-07-10 05:49:08,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:49:10,642 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 05:49:11,021 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-10 05:49:11,340 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 05:49:11,657 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 05:49:12,036 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-10 05:49:12,411 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 05:49:12,796 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 05:49:13,227 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-10 05:49:13,624 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 05:49:14,024 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 05:49:14,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,140 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:49:14,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:49:14,194 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 05:49:14,198 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:49:14,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:49:14,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:14,245 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 05:49:14,249 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:49:14,262 INFO L628 ElimStorePlain]: treesize reduction 183, result has 5.7 percent of original size [2021-07-10 05:49:14,263 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:49:14,263 INFO L518 ElimStorePlain]: Eliminatee v_prenex_112 vanished before elimination [2021-07-10 05:49:14,263 INFO L518 ElimStorePlain]: Eliminatee v_prenex_113 vanished before elimination [2021-07-10 05:49:14,263 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 05:49:14,263 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:437, output treesize:11 [2021-07-10 05:49:14,346 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 05:49:14,346 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [40799929] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:49:14,346 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:49:14,346 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 50 [2021-07-10 05:49:14,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792688322] [2021-07-10 05:49:14,347 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-07-10 05:49:14,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:49:14,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-07-10 05:49:14,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=2341, Unknown=0, NotChecked=0, Total=2450 [2021-07-10 05:49:14,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:49:14,348 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:49:14,348 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 05:49:14,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:49:14,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:49:14,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:49:14,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:49:14,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:49:14,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:49:14,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:49:14,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:49:14,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:49:14,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:49:14,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:49:14,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:49:14,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:49:14,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:49:14,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:49:14,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:49:14,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:49:14,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:49:14,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:49:14,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:49:14,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:49:14,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:49:14,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:49:14,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:49:14,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:49:14,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:49:14,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:49:14,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:49:14,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:49:14,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:49:14,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:49:14,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:49:14,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:49:14,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:49:17,373 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2021-07-10 05:49:17,855 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 94 [2021-07-10 05:49:18,372 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 142 [2021-07-10 05:49:18,905 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 155 [2021-07-10 05:49:19,587 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 158 [2021-07-10 05:49:20,239 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 158 [2021-07-10 05:49:21,258 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 158 [2021-07-10 05:49:21,924 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 156 [2021-07-10 05:49:22,653 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 202 [2021-07-10 05:49:23,344 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 158 [2021-07-10 05:49:24,044 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 158 [2021-07-10 05:49:24,723 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 156 [2021-07-10 05:49:25,430 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 204 [2021-07-10 05:49:26,067 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 204 [2021-07-10 05:49:26,462 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 99 [2021-07-10 05:49:26,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:49:26,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:49:26,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:49:26,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:49:26,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:49:26,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:49:26,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:49:26,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:49:26,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:49:26,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:49:26,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:49:26,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:49:26,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:49:26,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:49:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:49:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:49:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:49:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:49:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:49:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:49:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:49:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:49:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:49:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:49:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:49:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:49:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:49:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:49:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:49:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:49:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:49:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:49:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:49:26,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:49:26,864 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable305 [2021-07-10 05:49:26,864 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:49:26,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:49:26,865 INFO L82 PathProgramCache]: Analyzing trace with hash -746619014, now seen corresponding path program 32 times [2021-07-10 05:49:26,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:49:26,865 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376716594] [2021-07-10 05:49:26,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:49:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:49:27,311 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 05:49:27,311 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:49:27,311 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376716594] [2021-07-10 05:49:27,311 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376716594] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:49:27,311 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701093930] [2021-07-10 05:49:27,311 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 05:49:27,360 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 05:49:27,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:49:27,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-10 05:49:27,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:49:27,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:49:27,857 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:49:27,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:49:27,860 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:49:27,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:49:27,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 05:49:27,864 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 05:49:27,865 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 05:49:27,866 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 05:49:27,868 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:49:27,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 05:49:27,869 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 05:49:27,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:49:27,873 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 05:49:27,899 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-10 05:49:27,900 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:49:27,900 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 05:49:27,900 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 05:49:27,951 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 05:49:27,951 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701093930] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:49:27,951 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:49:27,951 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-07-10 05:49:27,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24746600] [2021-07-10 05:49:27,952 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-10 05:49:27,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:49:27,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-10 05:49:27,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-07-10 05:49:27,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:49:27,953 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:49:27,953 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 05:49:27,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:49:27,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:49:27,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:49:27,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:49:27,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:49:27,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:49:27,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:49:27,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:49:27,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:49:27,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:49:27,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:49:27,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:49:27,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:49:27,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:49:27,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:49:27,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:49:27,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:49:27,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:49:27,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:49:27,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:49:27,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:49:27,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:49:27,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:49:27,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:49:27,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:49:27,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:49:27,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:49:27,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:49:27,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:49:27,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:49:27,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:49:27,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:49:27,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:49:27,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:49:27,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:49:29,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:49:29,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:49:29,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:49:29,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:49:29,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:49:29,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:49:29,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:49:29,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:49:29,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:49:29,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:49:29,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:49:29,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:49:29,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:49:29,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:49:29,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:49:29,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:49:29,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:49:29,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:49:29,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:49:29,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:49:29,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:49:29,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:49:29,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:49:29,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:49:29,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:49:29,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:49:29,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:49:29,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:49:29,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:49:29,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:49:29,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:49:29,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:49:29,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:49:29,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:49:29,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:49:30,116 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable343 [2021-07-10 05:49:30,117 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:49:30,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:49:30,117 INFO L82 PathProgramCache]: Analyzing trace with hash 186393164, now seen corresponding path program 33 times [2021-07-10 05:49:30,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:49:30,117 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938721239] [2021-07-10 05:49:30,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:49:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:49:30,618 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 05:49:30,618 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:49:30,618 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938721239] [2021-07-10 05:49:30,618 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938721239] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:49:30,618 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461685137] [2021-07-10 05:49:30,618 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 05:49:30,706 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-10 05:49:30,706 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:49:30,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-10 05:49:30,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:49:31,143 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:49:31,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:49:31,144 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:49:31,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 05:49:31,146 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:49:31,160 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 05:49:31,160 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:49:31,161 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:49:31,161 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 05:49:31,195 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 05:49:31,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461685137] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:49:31,196 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:49:31,196 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-07-10 05:49:31,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829650366] [2021-07-10 05:49:31,196 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-10 05:49:31,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:49:31,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-10 05:49:31,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-07-10 05:49:31,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:49:31,217 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:49:31,217 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 05:49:31,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:49:31,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:49:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:49:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:49:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:49:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:49:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:49:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:49:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:49:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:49:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:49:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:49:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:49:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:49:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:49:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:49:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:49:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:49:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:49:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:49:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:49:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:49:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:49:31,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:49:31,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:49:31,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:49:31,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:49:31,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:49:31,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:49:31,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:49:31,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:49:31,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:49:31,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:49:31,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:49:31,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:49:31,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:49:32,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:49:32,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:49:32,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:49:32,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:49:32,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:49:32,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:49:32,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:49:32,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:49:32,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:49:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:49:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:49:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:49:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:49:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:49:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:49:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:49:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:49:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:49:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:49:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:49:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:49:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:49:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:49:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:49:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:49:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:49:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:49:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:49:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:49:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:49:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:49:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:49:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:49:32,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:49:32,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:49:32,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:49:32,405 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable350,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:49:32,405 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:49:32,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:49:32,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1482135782, now seen corresponding path program 34 times [2021-07-10 05:49:32,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:49:32,406 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942018701] [2021-07-10 05:49:32,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:49:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:49:33,516 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 05:49:33,516 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:49:33,516 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942018701] [2021-07-10 05:49:33,516 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942018701] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:49:33,516 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139113990] [2021-07-10 05:49:33,517 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 05:49:33,569 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 05:49:33,569 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:49:33,571 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 149 conjunts are in the unsatisfiable core [2021-07-10 05:49:33,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:49:35,697 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 05:49:36,034 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 05:49:36,435 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 05:49:36,801 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 05:49:37,258 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 05:49:37,638 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 05:49:37,983 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 05:49:38,377 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 05:49:38,825 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 05:49:39,184 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 05:49:39,594 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 05:49:39,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,696 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:49:39,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:49:39,769 INFO L244 Elim1Store]: Index analysis took 105 ms [2021-07-10 05:49:39,770 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 05:49:39,775 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:49:39,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:49:39,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:49:39,827 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 05:49:39,831 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:49:39,846 INFO L628 ElimStorePlain]: treesize reduction 204, result has 5.1 percent of original size [2021-07-10 05:49:39,846 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:49:39,846 INFO L518 ElimStorePlain]: Eliminatee v_prenex_127 vanished before elimination [2021-07-10 05:49:39,846 INFO L518 ElimStorePlain]: Eliminatee v_prenex_128 vanished before elimination [2021-07-10 05:49:39,847 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 05:49:39,847 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:470, output treesize:11 [2021-07-10 05:49:39,854 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 05:49:39,854 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139113990] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:49:39,854 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:49:39,854 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 53 [2021-07-10 05:49:39,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166783437] [2021-07-10 05:49:39,855 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-10 05:49:39,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:49:39,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-10 05:49:39,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=2628, Unknown=0, NotChecked=0, Total=2756 [2021-07-10 05:49:39,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:49:39,856 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:49:39,856 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.150943396226415) internal successors, (61), 53 states have internal predecessors, (61), 0 states have call successors, (0), 0 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 05:49:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:49:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:49:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:49:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:49:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:49:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:49:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:49:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:49:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:49:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:49:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:49:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:49:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:49:39,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:49:39,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:49:39,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:49:39,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:49:39,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:49:39,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:49:39,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:49:39,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:49:39,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:49:39,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:49:39,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:49:39,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:49:39,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:49:39,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:49:39,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:49:39,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:49:39,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:49:39,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:49:39,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:49:39,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:49:39,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:49:39,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:49:39,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:49:39,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:49:53,197 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 141 [2021-07-10 05:49:53,566 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-10 05:49:53,967 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-10 05:49:54,419 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-10 05:49:54,850 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-10 05:49:55,320 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-10 05:49:55,766 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-10 05:49:56,244 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-10 05:49:56,781 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-10 05:49:57,245 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-10 05:49:57,714 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-10 05:49:58,131 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-10 05:49:58,392 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2021-07-10 05:49:58,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:49:58,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:49:58,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:49:58,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:49:58,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:49:58,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:49:58,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:49:58,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:49:58,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:49:58,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:49:58,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:49:58,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:49:58,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:49:58,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:49:58,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:49:58,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:49:58,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:49:58,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:49:58,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:49:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:49:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:49:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:49:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:49:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:49:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:49:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:49:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:49:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:49:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:49:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:49:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:49:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:49:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:49:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:49:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:49:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:49:58,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:49:58,793 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable352,37 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:49:58,793 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:49:58,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:49:58,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1299516020, now seen corresponding path program 35 times [2021-07-10 05:49:58,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:49:58,794 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426429185] [2021-07-10 05:49:58,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:49:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:49:59,272 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 05:49:59,273 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:49:59,273 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426429185] [2021-07-10 05:49:59,273 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426429185] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:49:59,273 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162373561] [2021-07-10 05:49:59,273 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 05:49:59,375 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-10 05:49:59,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:49:59,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-10 05:49:59,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:49:59,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:49:59,959 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:49:59,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:49:59,962 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:49:59,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:49:59,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 05:49:59,967 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 05:49:59,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:49:59,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:49:59,970 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 05:49:59,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:49:59,973 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 05:49:59,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:49:59,976 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 05:50:00,003 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-10 05:50:00,003 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:50:00,004 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 05:50:00,004 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 05:50:00,054 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 05:50:00,054 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162373561] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:50:00,054 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:50:00,054 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-07-10 05:50:00,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157251768] [2021-07-10 05:50:00,055 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-10 05:50:00,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:50:00,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-10 05:50:00,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-07-10 05:50:00,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:50:00,056 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:50:00,056 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 05:50:00,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:50:00,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:50:00,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:50:00,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:50:00,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:50:00,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:50:00,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:50:00,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:50:00,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:50:00,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:50:00,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:50:00,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:50:00,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:50:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:50:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:50:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:50:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:50:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:50:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:50:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:50:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:50:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:50:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:50:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:50:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:50:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:50:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:50:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:50:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:50:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:50:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:50:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:50:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:50:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:50:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:50:00,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:50:00,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:50:00,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:50:02,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:50:02,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:50:02,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:50:02,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:50:02,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:50:02,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:50:02,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:50:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:50:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:50:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:50:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:50:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:50:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:50:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:50:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:50:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:50:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:50:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:50:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:50:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:50:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:50:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:50:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:50:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:50:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:50:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:50:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:50:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:50:02,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:50:02,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:50:02,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:50:02,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:50:02,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:50:02,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:50:02,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:50:02,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:50:02,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:50:02,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:50:02,802 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable391 [2021-07-10 05:50:02,802 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:50:02,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:50:02,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1854057722, now seen corresponding path program 36 times [2021-07-10 05:50:02,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:50:02,803 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903604239] [2021-07-10 05:50:02,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:50:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:50:03,337 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 05:50:03,337 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:50:03,337 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903604239] [2021-07-10 05:50:03,337 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903604239] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:50:03,337 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025456236] [2021-07-10 05:50:03,337 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 05:50:03,395 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-10 05:50:03,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:50:03,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-10 05:50:03,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:50:03,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:50:03,961 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 05:50:03,962 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:50:03,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:50:03,965 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:50:03,983 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 05:50:03,983 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:50:03,984 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:50:03,984 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 05:50:04,026 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 05:50:04,026 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025456236] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:50:04,026 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:50:04,027 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-07-10 05:50:04,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396785611] [2021-07-10 05:50:04,027 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-10 05:50:04,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:50:04,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-10 05:50:04,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-07-10 05:50:04,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:50:04,028 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:50:04,028 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 05:50:04,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:50:04,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:50:04,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:50:04,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:50:04,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:50:04,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:50:04,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:50:04,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:50:04,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:50:04,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:50:04,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:50:04,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:50:04,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:50:04,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:50:04,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:50:04,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:50:04,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:50:04,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:50:04,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:50:04,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:50:04,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:50:04,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:50:04,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:50:04,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:50:04,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:50:04,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:50:04,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:50:04,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:50:04,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:50:04,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:50:04,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:50:04,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:50:04,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:50:04,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:50:04,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:50:04,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:50:04,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:50:04,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:50:04,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:50:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:50:05,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:50:05,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:50:05,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:50:05,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:50:05,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:50:05,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:50:05,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:50:05,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:50:05,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:50:05,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:50:05,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:50:05,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:50:05,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:50:05,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:50:05,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:50:05,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:50:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:50:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:50:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:50:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:50:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:50:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:50:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:50:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:50:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:50:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:50:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:50:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:50:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:50:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:50:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:50:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:50:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:50:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:50:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:50:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:50:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:50:05,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:50:05,560 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable398 [2021-07-10 05:50:05,560 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:50:05,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:50:05,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1640129528, now seen corresponding path program 37 times [2021-07-10 05:50:05,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:50:05,561 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834664422] [2021-07-10 05:50:05,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:50:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:50:07,394 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 05:50:07,394 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:50:07,394 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834664422] [2021-07-10 05:50:07,394 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834664422] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:50:07,394 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465173321] [2021-07-10 05:50:07,394 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 05:50:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:50:07,451 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 161 conjunts are in the unsatisfiable core [2021-07-10 05:50:07,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:50:10,210 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 05:50:10,675 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 05:50:11,195 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 05:50:11,669 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2021-07-10 05:50:12,183 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2021-07-10 05:50:12,923 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 05:50:13,467 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 05:50:13,964 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2021-07-10 05:50:14,500 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 05:50:14,979 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2021-07-10 05:50:15,630 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 05:50:16,209 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 05:50:16,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:50:16,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:50:16,424 INFO L244 Elim1Store]: Index analysis took 132 ms [2021-07-10 05:50:16,425 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 147 treesize of output 95 [2021-07-10 05:50:16,429 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:50:16,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:50:16,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,506 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 05:50:16,512 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:50:16,631 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2021-07-10 05:50:16,631 INFO L628 ElimStorePlain]: treesize reduction 190, result has 48.8 percent of original size [2021-07-10 05:50:16,631 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:50:16,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:50:16,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:16,696 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 159 treesize of output 105 [2021-07-10 05:50:16,701 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 05:50:16,712 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:50:16,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:50:16,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 6 [2021-07-10 05:50:16,717 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 05:50:16,728 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 05:50:16,729 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 05:50:16,729 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:653, output treesize:22 [2021-07-10 05:50:16,842 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 05:50:16,842 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465173321] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:50:16,842 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:50:16,842 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30] total 59 [2021-07-10 05:50:16,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863233858] [2021-07-10 05:50:16,843 INFO L462 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-07-10 05:50:16,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:50:16,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-07-10 05:50:16,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=3293, Unknown=0, NotChecked=0, Total=3422 [2021-07-10 05:50:16,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:50:16,844 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:50:16,844 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 1.152542372881356) internal successors, (68), 59 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 05:50:16,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:50:16,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:50:16,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:50:16,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:50:16,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:50:16,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:50:16,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:50:16,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:50:16,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:50:16,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:50:16,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:50:16,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:50:16,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:50:16,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:50:16,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:50:16,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:50:16,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:50:16,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:50:16,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:50:16,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:50:16,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:50:16,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:50:16,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:50:16,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:50:16,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:50:16,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:50:16,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:50:16,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:50:16,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:50:16,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:50:16,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:50:16,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:50:16,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:50:16,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:50:16,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:50:16,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:50:16,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:50:16,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:50:16,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:50:16,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:50:21,599 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2021-07-10 05:50:22,358 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 109 [2021-07-10 05:50:23,072 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 156 [2021-07-10 05:50:23,665 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 169 [2021-07-10 05:50:24,264 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 171 [2021-07-10 05:50:24,948 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 131 [2021-07-10 05:50:25,632 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 131 [2021-07-10 05:50:26,261 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 177 [2021-07-10 05:50:26,917 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 177 [2021-07-10 05:50:27,618 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 131 [2021-07-10 05:50:28,289 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 131 [2021-07-10 05:50:28,899 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 131 [2021-07-10 05:50:29,497 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 177 [2021-07-10 05:50:30,216 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 131 [2021-07-10 05:50:30,873 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 177 [2021-07-10 05:50:31,549 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 130 [2021-07-10 05:50:32,055 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 122 [2021-07-10 05:50:32,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:50:32,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:50:32,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:50:32,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:50:32,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:50:32,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:50:32,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:50:32,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:50:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:50:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:50:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:50:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:50:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:50:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:50:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:50:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:50:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:50:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:50:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:50:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:50:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:50:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:50:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:50:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:50:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:50:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:50:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:50:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:50:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:50:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:50:32,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:50:32,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:50:32,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:50:32,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:50:32,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:50:32,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:50:32,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:50:32,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:50:32,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:50:32,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:50:32,510 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable400 [2021-07-10 05:50:32,510 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:50:32,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:50:32,511 INFO L82 PathProgramCache]: Analyzing trace with hash -696677190, now seen corresponding path program 38 times [2021-07-10 05:50:32,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:50:32,511 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805888559] [2021-07-10 05:50:32,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:50:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:50:33,165 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 05:50:33,165 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:50:33,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805888559] [2021-07-10 05:50:33,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805888559] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:50:33,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430729792] [2021-07-10 05:50:33,166 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 05:50:33,216 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 05:50:33,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:50:33,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-10 05:50:33,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:50:33,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 05:50:33,975 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:50:33,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:50:33,979 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:50:33,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:50:33,982 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 05:50:33,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:50:33,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 05:50:33,985 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 05:50:33,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:50:33,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:50:33,989 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 05:50:33,990 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 05:50:33,991 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 05:50:34,016 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-10 05:50:34,016 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:50:34,016 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 05:50:34,017 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 05:50:34,069 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 05:50:34,069 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430729792] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:50:34,070 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:50:34,070 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-07-10 05:50:34,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696789380] [2021-07-10 05:50:34,070 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-10 05:50:34,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:50:34,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-10 05:50:34,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-07-10 05:50:34,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:50:34,071 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:50:34,071 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 05:50:34,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:50:34,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:50:34,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:50:34,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:50:34,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:50:34,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:50:34,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:50:34,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:50:34,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:50:34,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:50:34,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:50:34,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:50:34,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:50:34,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:50:34,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:50:34,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:50:34,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:50:34,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:50:34,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:50:34,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:50:34,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:50:34,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:50:34,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:50:34,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:50:34,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:50:34,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:50:34,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:50:34,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:50:34,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:50:34,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:50:34,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:50:34,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:50:34,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:50:34,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:50:34,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:50:34,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:50:34,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:50:34,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:50:34,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:50:34,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:50:34,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:50:36,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:50:36,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:50:36,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:50:36,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:50:36,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:50:36,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:50:36,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:50:36,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:50:36,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:50:36,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:50:36,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:50:36,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:50:36,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:50:36,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:50:36,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:50:36,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:50:36,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:50:36,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:50:36,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:50:36,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:50:36,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:50:36,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:50:36,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:50:36,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:50:36,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:50:36,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:50:36,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:50:36,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:50:36,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:50:36,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:50:36,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:50:36,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:50:36,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:50:36,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:50:36,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:50:36,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:50:36,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:50:36,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:50:36,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:50:36,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:50:36,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 05:50:36,798 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable447,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:50:36,798 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:50:36,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:50:36,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1720138996, now seen corresponding path program 39 times [2021-07-10 05:50:36,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:50:36,799 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295544128] [2021-07-10 05:50:36,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:50:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:50:37,435 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 05:50:37,436 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:50:37,436 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295544128] [2021-07-10 05:50:37,436 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295544128] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:50:37,436 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822308532] [2021-07-10 05:50:37,436 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 05:50:37,494 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-10 05:50:37,494 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:50:37,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-10 05:50:37,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:50:38,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:50:38,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:50:38,174 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:50:38,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:50:38,177 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:50:38,194 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 05:50:38,194 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:50:38,195 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:50:38,195 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 05:50:38,245 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 05:50:38,245 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822308532] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:50:38,245 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:50:38,245 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-07-10 05:50:38,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705846688] [2021-07-10 05:50:38,246 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-10 05:50:38,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:50:38,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-10 05:50:38,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-07-10 05:50:38,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:50:38,247 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:50:38,247 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 05:50:38,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:50:38,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:50:38,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:50:38,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:50:38,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:50:38,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:50:38,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:50:38,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:50:38,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:50:38,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:50:38,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:50:38,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:50:38,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:50:38,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:50:38,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:50:38,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:50:38,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:50:38,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:50:38,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:50:38,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:50:38,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:50:38,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:50:38,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:50:38,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:50:38,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:50:38,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:50:38,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:50:38,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:50:38,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:50:38,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:50:38,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:50:38,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:50:38,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:50:38,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:50:38,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:50:38,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:50:38,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:50:38,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:50:38,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:50:38,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:50:38,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 05:50:38,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:50:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:50:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:50:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:50:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:50:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:50:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:50:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:50:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:50:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:50:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:50:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:50:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:50:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:50:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:50:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:50:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:50:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:50:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:50:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:50:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:50:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:50:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:50:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:50:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:50:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:50:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:50:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:50:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:50:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:50:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:50:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:50:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:50:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:50:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:50:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:50:39,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:50:39,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:50:39,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:50:39,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:50:39,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:50:39,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 05:50:39,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:50:39,997 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable454 [2021-07-10 05:50:39,998 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:50:39,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:50:39,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1785786330, now seen corresponding path program 40 times [2021-07-10 05:50:39,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:50:39,998 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855043160] [2021-07-10 05:50:39,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:50:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:50:41,270 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 05:50:41,271 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:50:41,271 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855043160] [2021-07-10 05:50:41,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855043160] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:50:41,271 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343922719] [2021-07-10 05:50:41,271 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 05:50:41,332 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 05:50:41,332 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:50:41,334 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 173 conjunts are in the unsatisfiable core [2021-07-10 05:50:41,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:50:43,923 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2021-07-10 05:50:44,413 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 05:50:44,914 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 05:50:45,455 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 05:50:45,997 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 05:50:46,527 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 05:50:47,124 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 05:50:47,645 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 05:50:48,123 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 05:50:48,629 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 05:50:49,274 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 05:50:50,013 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 05:50:50,522 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 05:50:51,002 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 05:50:51,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:50:51,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:50:51,254 INFO L244 Elim1Store]: Index analysis took 171 ms [2021-07-10 05:50:51,255 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 05:50:51,260 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:50:51,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:50:51,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:50:51,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 91 disjoint index pairs (out of 105 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 112 [2021-07-10 05:50:51,360 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:50:51,377 INFO L628 ElimStorePlain]: treesize reduction 216, result has 4.8 percent of original size [2021-07-10 05:50:51,377 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:50:51,378 INFO L518 ElimStorePlain]: Eliminatee v_prenex_165 vanished before elimination [2021-07-10 05:50:51,378 INFO L518 ElimStorePlain]: Eliminatee v_prenex_166 vanished before elimination [2021-07-10 05:50:51,378 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 05:50:51,378 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:536, output treesize:11 [2021-07-10 05:50:51,387 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 05:50:51,387 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343922719] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:50:51,387 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:50:51,388 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32] total 61 [2021-07-10 05:50:51,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550444326] [2021-07-10 05:50:51,388 INFO L462 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-07-10 05:50:51,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:50:51,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-07-10 05:50:51,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=3512, Unknown=0, NotChecked=0, Total=3660 [2021-07-10 05:50:51,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:50:51,390 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:50:51,390 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 61 states, 61 states have (on average 1.1311475409836065) internal successors, (69), 61 states have internal predecessors, (69), 0 states have call successors, (0), 0 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 05:50:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:50:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:50:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:50:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:50:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:50:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:50:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:50:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:50:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:50:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:50:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:50:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:50:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:50:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:50:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:50:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:50:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:50:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:50:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:50:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:50:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:50:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:50:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:50:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:50:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:50:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:50:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:50:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:50:51,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:50:51,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:50:51,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:50:51,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:50:51,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:50:51,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:50:51,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:50:51,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:50:51,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:50:51,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:50:51,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:50:51,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:50:51,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 05:50:51,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:50:51,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:51:11,122 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2021-07-10 05:51:14,943 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 100 [2021-07-10 05:51:15,567 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 161 [2021-07-10 05:51:16,236 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-10 05:51:16,917 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-10 05:51:17,660 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-10 05:51:18,356 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-10 05:51:19,075 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-10 05:51:19,828 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-10 05:51:20,525 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-10 05:51:21,286 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-10 05:51:22,021 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-10 05:51:22,738 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-10 05:51:23,648 WARN L205 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-10 05:51:24,330 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-10 05:51:24,681 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2021-07-10 05:51:24,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:51:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:51:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:51:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:51:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:51:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:51:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:51:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:51:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:51:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:51:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:51:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:51:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:51:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:51:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:51:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:51:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:51:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:51:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:51:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:51:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:51:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:51:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:51:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:51:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:51:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:51:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:51:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:51:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:51:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:51:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:51:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:51:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:51:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:51:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:51:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:51:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:51:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:51:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:51:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:51:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 05:51:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:51:24,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-10 05:51:25,077 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable456,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:51:25,078 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:51:25,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:51:25,078 INFO L82 PathProgramCache]: Analyzing trace with hash 474113612, now seen corresponding path program 41 times [2021-07-10 05:51:25,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:51:25,078 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627799761] [2021-07-10 05:51:25,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:51:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:51:25,753 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 05:51:25,753 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:51:25,753 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627799761] [2021-07-10 05:51:25,753 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627799761] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:51:25,753 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627801492] [2021-07-10 05:51:25,753 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 05:51:25,815 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-07-10 05:51:25,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:51:25,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-10 05:51:25,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:51:26,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:51:26,531 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:51:26,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:51:26,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 05:51:26,535 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:51:26,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 05:51:26,538 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 05:51:26,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:51:26,541 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 05:51:26,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:51:26,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 05:51:26,545 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 05:51:26,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:51:26,547 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 05:51:26,577 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-10 05:51:26,577 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:51:26,577 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 05:51:26,577 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 05:51:26,633 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 05:51:26,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627801492] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:51:26,633 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:51:26,633 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-07-10 05:51:26,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98614190] [2021-07-10 05:51:26,634 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-10 05:51:26,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:51:26,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-10 05:51:26,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-07-10 05:51:26,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:51:26,635 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:51:26,635 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 05:51:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:51:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:51:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:51:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:51:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:51:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:51:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:51:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:51:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:51:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:51:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:51:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:51:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:51:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:51:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:51:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:51:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:51:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:51:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:51:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:51:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:51:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:51:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:51:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:51:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:51:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:51:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:51:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:51:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:51:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:51:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:51:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:51:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:51:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:51:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:51:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:51:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:51:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:51:26,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:51:26,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:51:26,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 05:51:26,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:51:26,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-10 05:51:26,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:51:29,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:51:29,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:51:29,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:51:29,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:51:29,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:51:29,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:51:29,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:51:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:51:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:51:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:51:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:51:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:51:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:51:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:51:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:51:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:51:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:51:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:51:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:51:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:51:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:51:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:51:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:51:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:51:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:51:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:51:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:51:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:51:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:51:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:51:29,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:51:29,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:51:29,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:51:29,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:51:29,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:51:29,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:51:29,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:51:29,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:51:29,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:51:29,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:51:29,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 05:51:29,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:51:29,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-10 05:51:29,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-10 05:51:29,844 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable500,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:51:29,845 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:51:29,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:51:29,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1188431302, now seen corresponding path program 42 times [2021-07-10 05:51:29,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:51:29,845 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304401783] [2021-07-10 05:51:29,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:51:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:51:30,465 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 05:51:30,466 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:51:30,466 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304401783] [2021-07-10 05:51:30,466 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304401783] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:51:30,466 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295109284] [2021-07-10 05:51:30,466 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 05:51:30,530 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-07-10 05:51:30,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:51:30,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-10 05:51:30,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:51:31,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:51:31,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:51:31,217 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:51:31,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 05:51:31,220 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:51:31,235 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 05:51:31,235 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:51:31,236 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:51:31,236 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 05:51:31,313 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 05:51:31,314 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295109284] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:51:31,314 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:51:31,314 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-07-10 05:51:31,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693579467] [2021-07-10 05:51:31,314 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-10 05:51:31,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:51:31,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-10 05:51:31,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-07-10 05:51:31,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:51:31,315 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:51:31,315 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 05:51:31,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:51:31,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:51:31,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:51:31,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:51:31,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:51:31,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:51:31,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:51:31,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:51:31,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:51:31,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:51:31,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:51:31,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:51:31,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:51:31,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:51:31,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:51:31,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:51:31,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:51:31,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:51:31,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:51:31,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:51:31,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:51:31,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:51:31,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:51:31,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:51:31,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:51:31,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:51:31,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:51:31,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:51:31,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:51:31,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:51:31,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:51:31,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:51:31,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:51:31,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:51:31,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:51:31,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:51:31,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:51:31,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:51:31,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:51:31,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:51:31,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 05:51:31,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:51:31,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-10 05:51:31,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-10 05:51:31,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:51:32,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:51:32,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:51:32,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:51:32,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:51:32,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:51:32,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:51:32,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:51:32,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:51:32,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:51:32,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:51:32,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:51:32,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:51:32,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:51:32,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:51:32,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:51:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:51:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:51:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:51:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:51:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:51:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:51:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:51:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:51:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:51:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:51:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:51:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:51:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:51:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:51:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:51:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:51:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:51:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:51:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:51:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:51:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:51:32,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:51:32,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:51:32,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:51:32,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:51:32,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 05:51:32,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:51:32,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-10 05:51:32,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-10 05:51:32,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:51:32,921 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable507 [2021-07-10 05:51:32,922 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:51:32,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:51:32,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1812250296, now seen corresponding path program 43 times [2021-07-10 05:51:32,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:51:32,922 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228498117] [2021-07-10 05:51:32,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:51:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:51:34,621 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 05:51:34,622 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:51:34,622 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228498117] [2021-07-10 05:51:34,622 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228498117] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:51:34,622 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084013310] [2021-07-10 05:51:34,622 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 05:51:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:51:34,684 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 185 conjunts are in the unsatisfiable core [2021-07-10 05:51:34,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:51:37,617 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-07-10 05:51:38,071 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-10 05:51:38,612 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 05:51:39,113 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-10 05:51:39,637 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-10 05:51:40,195 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 05:51:40,762 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 05:51:41,279 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-10 05:51:41,879 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 05:51:42,526 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 05:51:43,011 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-10 05:51:43,615 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 05:51:44,142 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-10 05:51:44,621 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-10 05:51:45,103 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-10 05:51:45,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,211 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:51:45,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:51:45,338 INFO L244 Elim1Store]: Index analysis took 153 ms [2021-07-10 05:51:45,339 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 05:51:45,345 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:51:45,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:51:45,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:51:45,429 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 05:51:45,434 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:51:45,450 INFO L628 ElimStorePlain]: treesize reduction 233, result has 4.5 percent of original size [2021-07-10 05:51:45,451 INFO L518 ElimStorePlain]: Eliminatee v_prenex_182 vanished before elimination [2021-07-10 05:51:45,451 INFO L518 ElimStorePlain]: Eliminatee v_prenex_183 vanished before elimination [2021-07-10 05:51:45,451 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:51:45,451 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 05:51:45,451 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:569, output treesize:11 [2021-07-10 05:51:45,543 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 05:51:45,544 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084013310] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:51:45,544 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:51:45,544 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34] total 66 [2021-07-10 05:51:45,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524019069] [2021-07-10 05:51:45,544 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-07-10 05:51:45,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:51:45,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-07-10 05:51:45,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=4129, Unknown=0, NotChecked=0, Total=4290 [2021-07-10 05:51:45,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:51:45,545 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:51:45,546 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 1.1515151515151516) internal successors, (76), 66 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:51:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:51:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:51:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:51:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:51:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:51:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:51:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:51:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:51:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:51:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:51:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:51:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:51:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:51:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:51:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:51:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:51:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:51:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:51:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:51:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:51:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:51:45,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:51:45,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:51:45,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:51:45,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:51:45,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:51:45,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:51:45,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:51:45,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:51:45,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:51:45,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:51:45,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:51:45,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:51:45,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:51:45,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:51:45,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:51:45,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:51:45,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:51:45,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:51:45,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:51:45,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 05:51:45,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:51:45,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-10 05:51:45,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-10 05:51:45,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:51:45,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:52:05,570 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2021-07-10 05:52:09,301 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 168 [2021-07-10 05:52:10,020 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 110 [2021-07-10 05:52:10,801 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2021-07-10 05:52:11,711 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 177 [2021-07-10 05:52:12,486 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2021-07-10 05:52:13,347 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 177 [2021-07-10 05:52:14,175 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 177 [2021-07-10 05:52:14,980 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2021-07-10 05:52:15,802 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2021-07-10 05:52:16,586 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2021-07-10 05:52:17,428 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 177 [2021-07-10 05:52:18,210 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2021-07-10 05:52:18,982 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 177 [2021-07-10 05:52:19,757 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2021-07-10 05:52:20,594 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 177 [2021-07-10 05:52:20,977 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2021-07-10 05:52:21,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:52:21,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:52:21,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:52:21,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:52:21,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:52:21,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:52:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:52:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:52:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:52:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:52:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:52:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:52:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:52:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:52:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:52:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:52:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:52:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:52:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:52:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:52:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:52:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:52:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:52:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:52:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:52:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:52:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:52:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:52:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:52:21,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:52:21,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:52:21,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:52:21,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:52:21,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:52:21,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:52:21,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:52:21,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:52:21,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:52:21,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:52:21,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:52:21,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 05:52:21,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:52:21,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-10 05:52:21,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-10 05:52:21,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:52:21,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-07-10 05:52:21,396 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable509,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:52:21,396 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:52:21,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:52:21,397 INFO L82 PathProgramCache]: Analyzing trace with hash 344099322, now seen corresponding path program 44 times [2021-07-10 05:52:21,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:52:21,397 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292649128] [2021-07-10 05:52:21,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:52:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:52:22,137 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 05:52:22,137 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:52:22,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292649128] [2021-07-10 05:52:22,137 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292649128] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:52:22,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609875866] [2021-07-10 05:52:22,137 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 05:52:22,194 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 05:52:22,194 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:52:22,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-07-10 05:52:22,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:52:22,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:52:22,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:52:22,975 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:52:22,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:52:22,978 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:52:22,980 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 05:52:22,981 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 05:52:22,983 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 05:52:22,983 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 05:52:22,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:52:22,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 05:52:22,987 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 05:52:22,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:52:22,990 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 05:52:23,013 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-10 05:52:23,013 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:52:23,014 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 05:52:23,014 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 05:52:23,073 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 05:52:23,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609875866] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:52:23,073 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:52:23,073 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-07-10 05:52:23,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692429623] [2021-07-10 05:52:23,073 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-10 05:52:23,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:52:23,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-10 05:52:23,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-07-10 05:52:23,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:52:23,074 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:52:23,075 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 05:52:23,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:52:23,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:52:23,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:52:23,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:52:23,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:52:23,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:52:23,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:52:23,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:52:23,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:52:23,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:52:23,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:52:23,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:52:23,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:52:23,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:52:23,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:52:23,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:52:23,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:52:23,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:52:23,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:52:23,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:52:23,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:52:23,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:52:23,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:52:23,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:52:23,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:52:23,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:52:23,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:52:23,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:52:23,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:52:23,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:52:23,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:52:23,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:52:23,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:52:23,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:52:23,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:52:23,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:52:23,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:52:23,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:52:23,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:52:23,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:52:23,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 05:52:23,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:52:23,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-10 05:52:23,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-10 05:52:23,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:52:23,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-07-10 05:52:23,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:52:26,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:52:26,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:52:26,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:52:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:52:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:52:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:52:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:52:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:52:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:52:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:52:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:52:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:52:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:52:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:52:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:52:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:52:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:52:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:52:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:52:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:52:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:52:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:52:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:52:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:52:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:52:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:52:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:52:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:52:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:52:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:52:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:52:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:52:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:52:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:52:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:52:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:52:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:52:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:52:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:52:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:52:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 05:52:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:52:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-10 05:52:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-10 05:52:26,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:52:26,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-07-10 05:52:26,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-10 05:52:26,800 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable556 [2021-07-10 05:52:26,801 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:52:26,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:52:26,801 INFO L82 PathProgramCache]: Analyzing trace with hash 344814540, now seen corresponding path program 45 times [2021-07-10 05:52:26,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:52:26,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498763919] [2021-07-10 05:52:26,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:52:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:52:27,512 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 05:52:27,512 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:52:27,512 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498763919] [2021-07-10 05:52:27,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498763919] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:52:27,512 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181090342] [2021-07-10 05:52:27,512 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 05:52:27,579 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-10 05:52:27,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:52:27,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-07-10 05:52:27,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:52:28,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:52:28,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 05:52:28,238 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:52:28,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 05:52:28,240 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:52:28,255 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 05:52:28,255 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:52:28,255 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:52:28,255 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 05:52:28,300 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 05:52:28,300 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181090342] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:52:28,300 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:52:28,300 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-07-10 05:52:28,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076350554] [2021-07-10 05:52:28,300 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-10 05:52:28,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:52:28,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-10 05:52:28,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-07-10 05:52:28,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:52:28,301 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:52:28,301 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 05:52:28,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:52:28,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:52:28,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:52:28,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:52:28,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:52:28,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:52:28,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:52:28,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:52:28,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:52:28,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:52:28,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:52:28,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:52:28,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:52:28,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:52:28,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:52:28,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:52:28,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:52:28,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:52:28,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:52:28,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:52:28,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:52:28,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:52:28,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:52:28,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:52:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:52:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:52:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:52:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:52:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:52:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:52:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:52:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:52:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:52:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:52:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:52:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:52:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:52:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:52:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:52:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:52:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 05:52:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:52:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-10 05:52:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-10 05:52:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:52:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-07-10 05:52:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-10 05:52:28,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:52:30,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:52:30,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:52:30,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:52:30,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:52:30,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:52:30,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:52:30,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:52:30,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:52:30,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:52:30,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:52:30,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:52:30,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:52:30,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:52:30,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:52:30,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:52:30,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:52:30,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:52:30,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:52:30,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:52:30,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:52:30,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:52:30,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:52:30,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:52:30,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:52:30,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:52:30,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:52:30,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:52:30,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:52:30,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:52:30,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:52:30,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:52:30,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:52:30,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:52:30,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:52:30,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:52:30,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:52:30,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:52:30,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:52:30,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:52:30,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:52:30,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 05:52:30,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:52:30,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-10 05:52:30,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-10 05:52:30,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:52:30,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-07-10 05:52:30,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-10 05:52:30,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:52:30,332 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable563,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:52:30,333 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:52:30,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:52:30,333 INFO L82 PathProgramCache]: Analyzing trace with hash 2098231142, now seen corresponding path program 46 times [2021-07-10 05:52:30,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:52:30,333 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002228838] [2021-07-10 05:52:30,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:52:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:52:32,566 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 05:52:32,567 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:52:32,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002228838] [2021-07-10 05:52:32,567 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002228838] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:52:32,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41632346] [2021-07-10 05:52:32,567 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 05:52:32,626 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 05:52:32,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:52:32,629 WARN L261 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 197 conjunts are in the unsatisfiable core [2021-07-10 05:52:32,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:52:35,894 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-07-10 05:52:36,515 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 05:52:37,097 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 05:52:37,757 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 05:52:38,415 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 05:52:39,045 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 05:52:39,615 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 05:52:40,364 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 05:52:41,025 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 05:52:41,606 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 05:52:42,183 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 05:52:42,836 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 05:52:43,456 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 05:52:44,119 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 05:52:44,672 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 05:52:45,284 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 05:52:45,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:52:45,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 05:52:45,446 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 05:52:45,450 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:52:45,503 INFO L628 ElimStorePlain]: treesize reduction 415, result has 2.6 percent of original size [2021-07-10 05:52:45,503 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 05:52:45,503 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:52:45,503 INFO L518 ElimStorePlain]: Eliminatee v_prenex_205 vanished before elimination [2021-07-10 05:52:45,504 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 05:52:45,504 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:602, output treesize:11 [2021-07-10 05:52:45,513 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 05:52:45,513 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [41632346] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:52:45,513 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:52:45,513 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36] total 69 [2021-07-10 05:52:45,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351750967] [2021-07-10 05:52:45,513 INFO L462 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-07-10 05:52:45,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:52:45,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-07-10 05:52:45,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=4524, Unknown=0, NotChecked=0, Total=4692 [2021-07-10 05:52:45,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:52:45,515 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:52:45,515 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 69 states, 69 states have (on average 1.1159420289855073) internal successors, (77), 69 states have internal predecessors, (77), 0 states have call successors, (0), 0 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 05:52:45,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:52:45,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:52:45,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:52:45,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:52:45,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:52:45,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:52:45,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:52:45,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:52:45,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:52:45,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:52:45,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:52:45,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:52:45,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:52:45,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:52:45,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:52:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:52:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:52:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:52:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:52:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:52:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:52:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:52:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:52:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:52:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:52:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:52:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:52:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:52:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:52:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:52:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:52:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:52:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:52:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:52:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:52:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:52:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:52:45,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:52:45,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:52:45,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:52:45,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 05:52:45,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:52:45,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-10 05:52:45,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-10 05:52:45,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:52:45,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-07-10 05:52:45,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-10 05:52:45,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:52:45,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:53:12,165 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2021-07-10 05:53:16,798 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 112 [2021-07-10 05:53:17,803 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2021-07-10 05:53:19,083 WARN L205 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 186 [2021-07-10 05:53:20,258 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 186 [2021-07-10 05:53:21,442 WARN L205 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2021-07-10 05:53:22,646 WARN L205 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 186 [2021-07-10 05:53:23,834 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2021-07-10 05:53:25,199 WARN L205 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 186 [2021-07-10 05:53:26,577 WARN L205 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 186 [2021-07-10 05:53:27,943 WARN L205 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2021-07-10 05:53:29,281 WARN L205 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 186 [2021-07-10 05:53:30,657 WARN L205 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 186 [2021-07-10 05:53:31,923 WARN L205 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 186 [2021-07-10 05:53:33,336 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2021-07-10 05:53:34,579 WARN L205 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2021-07-10 05:53:35,967 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2021-07-10 05:53:36,578 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2021-07-10 05:53:36,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:53:36,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:53:36,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:53:36,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:53:36,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:53:36,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:53:36,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:53:36,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:53:36,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:53:36,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:53:36,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:53:36,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:53:36,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:53:36,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:53:36,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:53:36,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:53:36,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:53:36,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:53:36,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:53:36,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:53:36,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:53:36,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:53:36,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:53:36,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:53:36,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:53:36,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:53:36,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:53:36,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:53:36,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:53:36,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:53:36,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:53:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:53:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:53:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:53:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:53:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:53:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:53:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:53:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:53:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:53:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 05:53:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:53:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-10 05:53:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-10 05:53:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:53:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-07-10 05:53:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-10 05:53:36,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:53:36,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-07-10 05:53:37,082 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable565 [2021-07-10 05:53:37,082 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:53:37,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:53:37,082 INFO L82 PathProgramCache]: Analyzing trace with hash 619570956, now seen corresponding path program 47 times [2021-07-10 05:53:37,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:53:37,082 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432424928] [2021-07-10 05:53:37,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:53:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:53:37,978 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 05:53:37,978 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:53:37,979 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432424928] [2021-07-10 05:53:37,979 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432424928] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:53:37,979 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091318125] [2021-07-10 05:53:37,979 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 05:53:38,047 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-07-10 05:53:38,047 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:53:38,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 74 conjunts are in the unsatisfiable core [2021-07-10 05:53:38,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:53:38,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:53:38,962 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:53:38,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:53:38,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:53:38,966 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:53:38,968 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 05:53:38,969 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 05:53:38,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:53:38,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 05:53:38,972 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 05:53:38,974 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 05:53:38,975 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 05:53:38,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 05:53:38,979 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 05:53:39,002 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-10 05:53:39,002 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:53:39,003 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 05:53:39,003 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 05:53:39,064 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 05:53:39,065 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091318125] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:53:39,065 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:53:39,065 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 55 [2021-07-10 05:53:39,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428167349] [2021-07-10 05:53:39,065 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-10 05:53:39,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:53:39,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-10 05:53:39,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2829, Unknown=0, NotChecked=0, Total=2970 [2021-07-10 05:53:39,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:53:39,066 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:53:39,066 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 05:53:39,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:53:39,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:53:39,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:53:39,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:53:39,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:53:39,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:53:39,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:53:39,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:53:39,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:53:39,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:53:39,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:53:39,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:53:39,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:53:39,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:53:39,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:53:39,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:53:39,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:53:39,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:53:39,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:53:39,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:53:39,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:53:39,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:53:39,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:53:39,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:53:39,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:53:39,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:53:39,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:53:39,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:53:39,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:53:39,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:53:39,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:53:39,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:53:39,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:53:39,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:53:39,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:53:39,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:53:39,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:53:39,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:53:39,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:53:39,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:53:39,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 05:53:39,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:53:39,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-10 05:53:39,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-10 05:53:39,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:53:39,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-07-10 05:53:39,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-10 05:53:39,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:53:39,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2021-07-10 05:53:39,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:53:42,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:53:42,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:53:42,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:53:42,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:53:42,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:53:42,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:53:42,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:53:42,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:53:42,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:53:42,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:53:42,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:53:42,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:53:42,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:53:42,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:53:42,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:53:42,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:53:42,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:53:42,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:53:42,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:53:42,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:53:42,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:53:42,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:53:42,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:53:42,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:53:42,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:53:42,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:53:42,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:53:42,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:53:42,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:53:42,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:53:42,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:53:42,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:53:42,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:53:42,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:53:42,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:53:42,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:53:42,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:53:42,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:53:42,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:53:42,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:53:42,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 05:53:42,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:53:42,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-10 05:53:42,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-10 05:53:42,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:53:42,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-07-10 05:53:42,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-10 05:53:42,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:53:42,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-07-10 05:53:42,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-10 05:53:43,089 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable612 [2021-07-10 05:53:43,089 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:53:43,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:53:43,089 INFO L82 PathProgramCache]: Analyzing trace with hash 641742714, now seen corresponding path program 48 times [2021-07-10 05:53:43,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:53:43,089 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635962728] [2021-07-10 05:53:43,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:53:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:53:43,884 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 05:53:43,884 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:53:43,884 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635962728] [2021-07-10 05:53:43,884 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635962728] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:53:43,885 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303087065] [2021-07-10 05:53:43,885 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 05:53:43,956 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-07-10 05:53:43,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:53:43,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 74 conjunts are in the unsatisfiable core [2021-07-10 05:53:43,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:53:44,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 05:53:44,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 05:53:44,848 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 05:53:44,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 05:53:44,851 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 05:53:44,868 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 05:53:44,868 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 05:53:44,868 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 05:53:44,868 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 05:53:44,920 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 05:53:44,920 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303087065] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:53:44,920 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:53:44,920 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 55 [2021-07-10 05:53:44,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947750833] [2021-07-10 05:53:44,920 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-10 05:53:44,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:53:44,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-10 05:53:44,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2829, Unknown=0, NotChecked=0, Total=2970 [2021-07-10 05:53:44,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:53:44,921 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:53:44,921 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 05:53:44,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:53:44,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:53:44,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:53:44,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:53:44,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:53:44,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:53:44,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:53:44,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:53:44,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:53:44,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:53:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:53:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:53:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:53:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:53:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:53:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:53:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:53:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:53:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:53:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:53:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:53:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:53:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:53:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:53:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:53:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:53:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:53:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:53:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:53:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:53:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:53:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:53:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:53:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:53:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:53:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:53:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:53:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:53:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:53:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:53:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 05:53:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:53:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-10 05:53:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-10 05:53:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:53:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-07-10 05:53:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-10 05:53:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:53:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2021-07-10 05:53:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-10 05:53:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:53:47,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:53:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:53:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:53:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:53:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:53:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:53:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:53:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 05:53:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 05:53:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:53:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 05:53:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 05:53:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:53:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 05:53:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:53:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:53:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 05:53:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 05:53:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:53:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 05:53:47,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 05:53:47,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:53:47,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:53:47,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 05:53:47,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 05:53:47,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 05:53:47,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 05:53:47,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 05:53:47,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 05:53:47,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 05:53:47,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-10 05:53:47,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 05:53:47,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 05:53:47,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:53:47,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 05:53:47,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 05:53:47,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 05:53:47,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 05:53:47,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 05:53:47,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:53:47,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 05:53:47,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 05:53:47,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-10 05:53:47,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-10 05:53:47,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 05:53:47,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-07-10 05:53:47,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-10 05:53:47,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 05:53:47,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-07-10 05:53:47,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-10 05:53:47,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 05:53:47,476 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable618,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:53:47,477 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:53:47,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:53:47,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1581897352, now seen corresponding path program 49 times [2021-07-10 05:53:47,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:53:47,477 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786442505] [2021-07-10 05:53:47,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:53:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:53:49,638 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 05:53:49,638 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:53:49,638 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786442505] [2021-07-10 05:53:49,639 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786442505] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:53:49,639 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665230051] [2021-07-10 05:53:49,639 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 05:53:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:53:49,704 WARN L261 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 209 conjunts are in the unsatisfiable core [2021-07-10 05:53:49,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:53:52,359 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-07-10 05:53:53,528 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-07-10 05:53:54,242 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 05:53:54,993 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 05:53:55,700 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 05:53:56,470 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 05:53:57,278 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 05:53:57,694 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-10 05:53:57,696 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-07-10 05:53:57,913 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable620 [2021-07-10 05:53:57,914 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:626) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:597) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) 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$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 53 more [2021-07-10 05:53:57,918 INFO L168 Benchmark]: Toolchain (without parser) took 394403.57 ms. Allocated memory was 246.4 MB in the beginning and 702.5 MB in the end (delta: 456.1 MB). Free memory was 225.9 MB in the beginning and 529.1 MB in the end (delta: -303.1 MB). Peak memory consumption was 154.2 MB. Max. memory is 8.0 GB. [2021-07-10 05:53:57,918 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 246.4 MB. Free memory is still 227.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 05:53:57,918 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.48 ms. Allocated memory is still 246.4 MB. Free memory was 225.9 MB in the beginning and 224.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 05:53:57,918 INFO L168 Benchmark]: Boogie Preprocessor took 10.80 ms. Allocated memory is still 246.4 MB. Free memory was 224.4 MB in the beginning and 223.4 MB in the end (delta: 931.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 05:53:57,918 INFO L168 Benchmark]: RCFGBuilder took 372.99 ms. Allocated memory is still 246.4 MB. Free memory was 223.3 MB in the beginning and 205.8 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2021-07-10 05:53:57,918 INFO L168 Benchmark]: TraceAbstraction took 393997.53 ms. Allocated memory was 246.4 MB in the beginning and 702.5 MB in the end (delta: 456.1 MB). Free memory was 205.5 MB in the beginning and 529.1 MB in the end (delta: -323.5 MB). Peak memory consumption was 134.3 MB. Max. memory is 8.0 GB. [2021-07-10 05:53:57,918 INFO L339 ainManager$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 246.4 MB. Free memory is still 227.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 18.48 ms. Allocated memory is still 246.4 MB. Free memory was 225.9 MB in the beginning and 224.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.80 ms. Allocated memory is still 246.4 MB. Free memory was 224.4 MB in the beginning and 223.4 MB in the end (delta: 931.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 372.99 ms. Allocated memory is still 246.4 MB. Free memory was 223.3 MB in the beginning and 205.8 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 393997.53 ms. Allocated memory was 246.4 MB in the beginning and 702.5 MB in the end (delta: 456.1 MB). Free memory was 205.5 MB in the beginning and 529.1 MB in the end (delta: -323.5 MB). Peak memory consumption was 134.3 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...