/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-NewStatesSleepPersistentFixedOrder-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 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 06:23:21,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 06:23:21,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 06:23:21,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 06:23:21,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 06:23:21,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 06:23:21,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 06:23:21,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 06:23:21,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 06:23:21,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 06:23:21,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 06:23:21,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 06:23:21,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 06:23:21,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 06:23:21,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 06:23:21,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 06:23:21,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-17 06:23:21,412 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-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-06-17 06:23:21,432 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 06:23:21,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 06:23:21,432 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 06:23:21,432 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 06:23:21,433 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 06:23:21,433 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 06:23:21,434 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 06:23:21,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 06:23:21,434 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 06:23:21,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 06:23:21,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 06:23:21,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 06:23:21,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 06:23:21,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 06:23:21,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 06:23:21,435 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 06:23:21,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 06:23:21,435 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 06:23:21,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 06:23:21,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 06:23:21,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 06:23:21,436 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 06:23:21,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 06:23:21,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 06:23:21,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 06:23:21,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 06:23:21,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 06:23:21,450 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 06:23:21,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 06:23:21,450 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 06:23:21,451 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 06:23:21,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 06:23:21,451 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 06:23:21,451 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 06:23:21,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 06:23:21,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 06:23:21,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 06:23:21,758 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 06:23:21,759 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 06:23:21,759 INFO L432 ainManager$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 [2021-06-17 06:23:21,759 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl' [2021-06-17 06:23:21,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 06:23:21,786 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 06:23:21,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 06:23:21,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 06:23:21,789 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 06:23:21,798 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 17.06 06:23:21" (1/1) ... [2021-06-17 06:23:21,805 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 17.06 06:23:21" (1/1) ... [2021-06-17 06:23:21,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 06:23:21,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 06:23:21,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 06:23:21,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 06:23:21,819 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 17.06 06:23:21" (1/1) ... [2021-06-17 06:23:21,820 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 17.06 06:23:21" (1/1) ... [2021-06-17 06:23:21,828 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 17.06 06:23:21" (1/1) ... [2021-06-17 06:23:21,829 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 17.06 06:23:21" (1/1) ... [2021-06-17 06:23:21,831 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 17.06 06:23:21" (1/1) ... [2021-06-17 06:23:21,833 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 17.06 06:23:21" (1/1) ... [2021-06-17 06:23:21,833 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 17.06 06:23:21" (1/1) ... [2021-06-17 06:23:21,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 06:23:21,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 06:23:21,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 06:23:21,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 06:23:21,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:23:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 06:23:21,886 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 06:23:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 06:23:21,887 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 06:23:21,887 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 06:23:21,887 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 06:23:21,887 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 06:23:21,887 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 06:23:21,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 06:23:21,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 06:23:21,888 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 06:23:22,072 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 06:23:22,072 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-17 06:23:22,073 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-17 06:23:22,073 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-17 06:23:22,075 INFO L202 PluginConnector]: Adding new model array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 06:23:22 BoogieIcfgContainer [2021-06-17 06:23:22,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 06:23:22,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 06:23:22,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 06:23:22,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 06:23:22,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:23:21" (1/2) ... [2021-06-17 06:23:22,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34eb8441 and model type array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 06:23:22, skipping insertion in model container [2021-06-17 06:23:22,079 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 17.06 06:23:22" (2/2) ... [2021-06-17 06:23:22,080 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-symm.wvr.bpl [2021-06-17 06:23:22,084 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 06:23:22,085 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 06:23:22,085 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 06:23:22,086 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 06:23:22,106 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-17 06:23:22,122 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 [2021-06-17 06:23:22,171 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 06:23:22,171 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 06:23:22,172 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 06:23:22,172 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 06:23:22,172 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 06:23:22,172 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 06:23:22,172 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 06:23:22,172 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 06:23:22,226 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:23:22,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:23:22,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1240259128, now seen corresponding path program 1 times [2021-06-17 06:23:22,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:23:22,244 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754444125] [2021-06-17 06:23:22,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:23:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:22,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:22,472 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:23:22,472 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754444125] [2021-06-17 06:23:22,473 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754444125] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 06:23:22,473 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 06:23:22,473 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-17 06:23:22,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876370704] [2021-06-17 06:23:22,477 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 06:23:22,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:23:22,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 06:23:22,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-17 06:23:22,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:22,495 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:23:22,497 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) [2021-06-17 06:23:22,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:22,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:22,539 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 06:23:22,540 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:23:22,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:23:22,540 INFO L82 PathProgramCache]: Analyzing trace with hash 173413410, now seen corresponding path program 1 times [2021-06-17 06:23:22,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:23:22,541 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199124829] [2021-06-17 06:23:22,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:23:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:22,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:22,595 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:23:22,595 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199124829] [2021-06-17 06:23:22,595 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199124829] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 06:23:22,595 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 06:23:22,596 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-17 06:23:22,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820403875] [2021-06-17 06:23:22,597 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-17 06:23:22,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:23:22,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-17 06:23:22,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-17 06:23:22,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:22,603 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:23:22,603 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) [2021-06-17 06:23:22,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:22,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:22,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:22,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:22,691 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 06:23:22,691 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:23:22,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:23:22,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1690196206, now seen corresponding path program 1 times [2021-06-17 06:23:22,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:23:22,693 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512297072] [2021-06-17 06:23:22,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:23:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:22,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:22,762 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:23:22,762 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512297072] [2021-06-17 06:23:22,762 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512297072] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:22,763 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711753149] [2021-06-17 06:23:22,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:23:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:22,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-17 06:23:22,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:23:22,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:22,866 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1711753149] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:22,866 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:23:22,866 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-17 06:23:22,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454552513] [2021-06-17 06:23:22,867 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-17 06:23:22,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:23:22,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-17 06:23:22,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-17 06:23:22,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:22,868 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:23:22,868 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) [2021-06-17 06:23:22,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:22,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:22,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:22,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:22,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:22,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:23,137 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:23:23,138 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:23:23,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:23:23,138 INFO L82 PathProgramCache]: Analyzing trace with hash -889734120, now seen corresponding path program 1 times [2021-06-17 06:23:23,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:23:23,139 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870493241] [2021-06-17 06:23:23,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:23:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:23,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:23,607 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:23:23,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870493241] [2021-06-17 06:23:23,611 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870493241] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:23,611 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939652232] [2021-06-17 06:23:23,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:23:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:23,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-17 06:23:23,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:23:24,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:24,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:24,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-17 06:23:24,092 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:24,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:24,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-17 06:23:24,098 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:24,112 INFO L628 ElimStorePlain]: treesize reduction 73, result has 13.1 percent of original size [2021-06-17 06:23:24,112 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:23:24,113 INFO L518 ElimStorePlain]: Eliminatee v_prenex_4 vanished before elimination [2021-06-17 06:23:24,113 INFO L518 ElimStorePlain]: Eliminatee v_prenex_5 vanished before elimination [2021-06-17 06:23:24,114 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:23:24,114 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:107, output treesize:11 [2021-06-17 06:23:24,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:24,162 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939652232] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:24,162 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:23:24,162 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-06-17 06:23:24,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072050581] [2021-06-17 06:23:24,162 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-17 06:23:24,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:23:24,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-17 06:23:24,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-06-17 06:23:24,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:24,163 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:23:24,163 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:23:24,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:24,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:24,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:24,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:24,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:24,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:24,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:24,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:24,557 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:23:24,557 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:23:24,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:23:24,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1845213230, now seen corresponding path program 2 times [2021-06-17 06:23:24,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:23:24,558 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759098673] [2021-06-17 06:23:24,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:23:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:24,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:24,622 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:23:24,622 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759098673] [2021-06-17 06:23:24,622 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759098673] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:24,622 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071732026] [2021-06-17 06:23:24,622 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 [2021-06-17 06:23:24,657 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:23:24,658 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:23:24,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-17 06:23:24,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:23:24,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:23:24,768 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:24,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:24,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:23:24,773 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:24,791 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:24,792 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 16 treesize of output 12 [2021-06-17 06:23:24,794 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:24,796 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:23:24,797 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:24,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:23:24,802 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:24,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:23:24,806 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:24,836 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-06-17 06:23:24,837 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:23:24,837 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-17 06:23:24,838 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-17 06:23:24,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:24,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071732026] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:24,871 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:23:24,871 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-06-17 06:23:24,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846174351] [2021-06-17 06:23:24,872 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-17 06:23:24,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:23:24,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-17 06:23:24,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-06-17 06:23:24,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:24,874 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:23:24,874 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) [2021-06-17 06:23:24,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:24,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:24,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:24,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:24,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:25,240 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:23:25,245 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:23:25,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:23:25,245 INFO L82 PathProgramCache]: Analyzing trace with hash 512430818, now seen corresponding path program 3 times [2021-06-17 06:23:25,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:23:25,245 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765204547] [2021-06-17 06:23:25,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:23:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:25,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:25,316 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:23:25,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765204547] [2021-06-17 06:23:25,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765204547] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:25,317 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895590548] [2021-06-17 06:23:25,317 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 [2021-06-17 06:23:25,345 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-17 06:23:25,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:23:25,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-17 06:23:25,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:23:25,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:25,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:23:25,419 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:25,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:23:25,422 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:25,437 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-17 06:23:25,437 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:23:25,438 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:23:25,438 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-17 06:23:25,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:25,456 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895590548] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:25,456 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:23:25,456 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-06-17 06:23:25,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387554000] [2021-06-17 06:23:25,456 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-17 06:23:25,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:23:25,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-17 06:23:25,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-06-17 06:23:25,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:25,457 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:23:25,457 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) [2021-06-17 06:23:25,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:25,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:25,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:25,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:25,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:25,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:25,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:25,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:25,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:25,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:25,780 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-06-17 06:23:25,781 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:23:25,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:23:25,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1327773112, now seen corresponding path program 4 times [2021-06-17 06:23:25,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:23:25,781 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394755245] [2021-06-17 06:23:25,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:23:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:26,286 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:26,287 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:23:26,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394755245] [2021-06-17 06:23:26,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394755245] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:26,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357020175] [2021-06-17 06:23:26,287 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 [2021-06-17 06:23:26,330 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:23:26,330 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:23:26,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-17 06:23:26,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:23:26,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:26,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:26,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:26,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:26,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-17 06:23:26,753 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:26,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:26,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:26,759 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:26,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-06-17 06:23:26,761 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:26,806 INFO L628 ElimStorePlain]: treesize reduction 73, result has 45.1 percent of original size [2021-06-17 06:23:26,807 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:23:26,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:26,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:26,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:26,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-06-17 06:23:26,812 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:26,823 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:23:26,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:26,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-06-17 06:23:26,829 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-17 06:23:26,840 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:23:26,843 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 06:23:26,843 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:169, output treesize:22 [2021-06-17 06:23:26,883 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:26,884 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357020175] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:26,884 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:23:26,884 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 15 [2021-06-17 06:23:26,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017305945] [2021-06-17 06:23:26,884 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-17 06:23:26,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:23:26,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-17 06:23:26,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2021-06-17 06:23:26,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:26,887 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:23:26,887 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 15 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:23:26,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:26,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:26,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:26,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:26,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:26,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:26,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:27,375 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2021-06-17 06:23:27,569 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 76 [2021-06-17 06:23:27,709 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2021-06-17 06:23:27,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:27,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:27,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:27,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:27,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:27,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:27,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:27,976 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:23:27,976 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:23:27,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:23:27,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1755447202, now seen corresponding path program 5 times [2021-06-17 06:23:27,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:23:27,977 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994366721] [2021-06-17 06:23:27,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:23:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:28,070 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:28,071 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:23:28,071 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994366721] [2021-06-17 06:23:28,071 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994366721] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:28,071 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221530022] [2021-06-17 06:23:28,071 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 [2021-06-17 06:23:28,110 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-17 06:23:28,111 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:23:28,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-17 06:23:28,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:23:28,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:23:28,212 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:28,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:28,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:23:28,216 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:28,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:23:28,220 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:28,222 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:28,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:23:28,224 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:28,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:23:28,227 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:28,231 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:23:28,232 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:28,254 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-06-17 06:23:28,254 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:23:28,255 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-17 06:23:28,255 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-17 06:23:28,289 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:28,289 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221530022] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:28,290 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:23:28,290 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-06-17 06:23:28,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272719588] [2021-06-17 06:23:28,290 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-17 06:23:28,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:23:28,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-17 06:23:28,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-06-17 06:23:28,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:28,291 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:23:28,291 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) [2021-06-17 06:23:28,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:28,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:28,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:28,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:28,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:28,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:28,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:28,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:28,800 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-06-17 06:23:28,801 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:23:28,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:23:28,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1827968658, now seen corresponding path program 6 times [2021-06-17 06:23:28,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:23:28,802 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59942611] [2021-06-17 06:23:28,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:23:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:28,873 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:28,873 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:23:28,873 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59942611] [2021-06-17 06:23:28,873 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59942611] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:28,873 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557959866] [2021-06-17 06:23:28,873 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 [2021-06-17 06:23:28,904 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-17 06:23:28,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:23:28,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-17 06:23:28,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:23:29,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:29,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:23:29,004 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:29,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:23:29,008 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:29,023 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-17 06:23:29,023 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:23:29,023 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:23:29,032 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-17 06:23:29,054 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:29,054 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557959866] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:29,054 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:23:29,054 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-06-17 06:23:29,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697318417] [2021-06-17 06:23:29,055 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-17 06:23:29,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:23:29,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-17 06:23:29,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-06-17 06:23:29,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:29,055 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:23:29,056 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) [2021-06-17 06:23:29,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:29,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:29,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:29,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:29,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:29,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:29,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:29,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:29,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:29,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:29,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:29,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:29,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:29,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:29,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:29,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:29,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:29,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:23:29,376 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-06-17 06:23:29,376 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:23:29,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:23:29,377 INFO L82 PathProgramCache]: Analyzing trace with hash 799194264, now seen corresponding path program 7 times [2021-06-17 06:23:29,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:23:29,377 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781187031] [2021-06-17 06:23:29,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:23:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:29,670 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:29,671 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:23:29,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781187031] [2021-06-17 06:23:29,671 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781187031] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:29,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098131757] [2021-06-17 06:23:29,671 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 [2021-06-17 06:23:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:29,717 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-17 06:23:29,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:23:30,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:30,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:30,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:30,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:30,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:30,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:30,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:30,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-06-17 06:23:30,339 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:30,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:30,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:30,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:30,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:30,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:30,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:30,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-06-17 06:23:30,350 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:30,363 INFO L628 ElimStorePlain]: treesize reduction 99, result has 10.0 percent of original size [2021-06-17 06:23:30,364 INFO L518 ElimStorePlain]: Eliminatee v_prenex_21 vanished before elimination [2021-06-17 06:23:30,364 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:23:30,364 INFO L518 ElimStorePlain]: Eliminatee v_prenex_20 vanished before elimination [2021-06-17 06:23:30,364 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:23:30,364 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:173, output treesize:11 [2021-06-17 06:23:30,375 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:30,375 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098131757] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:30,375 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:23:30,375 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 17 [2021-06-17 06:23:30,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872591478] [2021-06-17 06:23:30,375 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-17 06:23:30,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:23:30,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-17 06:23:30,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2021-06-17 06:23:30,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:30,376 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:23:30,376 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:23:30,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:30,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:30,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:30,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:30,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:30,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:30,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:30,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:30,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:23:30,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:31,218 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-17 06:23:31,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:31,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:31,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:31,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:31,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:31,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:31,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:31,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:31,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:23:31,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:31,683 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:23:31,684 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:23:31,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:23:31,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1028040878, now seen corresponding path program 8 times [2021-06-17 06:23:31,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:23:31,684 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981682310] [2021-06-17 06:23:31,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:23:31,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:31,803 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:31,803 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:23:31,803 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981682310] [2021-06-17 06:23:31,804 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981682310] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:31,804 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167063491] [2021-06-17 06:23:31,804 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 [2021-06-17 06:23:31,837 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:23:31,837 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:23:31,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-17 06:23:31,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:23:31,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:23:31,960 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:31,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:31,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:23:31,964 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:31,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:23:31,967 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:31,994 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:23:31,995 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:31,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:31,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:23:31,999 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:32,000 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:23:32,001 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:32,020 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-06-17 06:23:32,020 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:23:32,021 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-17 06:23:32,021 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-17 06:23:32,052 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:32,052 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1167063491] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:32,053 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:23:32,053 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-06-17 06:23:32,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108778277] [2021-06-17 06:23:32,054 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-17 06:23:32,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:23:32,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-17 06:23:32,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-06-17 06:23:32,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:32,055 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:23:32,055 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) [2021-06-17 06:23:32,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:32,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:32,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:32,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:32,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:32,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:32,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:32,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:32,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:23:32,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:32,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:32,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:32,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:32,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:32,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:32,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:32,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:32,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:32,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:32,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:23:32,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:32,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:23:32,758 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-06-17 06:23:32,759 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:23:32,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:23:32,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1220124258, now seen corresponding path program 9 times [2021-06-17 06:23:32,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:23:32,759 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465697355] [2021-06-17 06:23:32,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:23:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:32,854 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:32,854 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:23:32,854 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465697355] [2021-06-17 06:23:32,854 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465697355] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:32,854 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045099689] [2021-06-17 06:23:32,854 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 [2021-06-17 06:23:32,887 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-17 06:23:32,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:23:32,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-17 06:23:32,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:23:32,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:32,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:23:32,991 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:32,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:23:32,993 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:33,009 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-17 06:23:33,010 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:23:33,010 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:23:33,011 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-17 06:23:33,044 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:33,045 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045099689] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:33,045 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:23:33,045 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-06-17 06:23:33,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219446581] [2021-06-17 06:23:33,045 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-17 06:23:33,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:23:33,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-17 06:23:33,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-06-17 06:23:33,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:33,046 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:23:33,046 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) [2021-06-17 06:23:33,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:33,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:33,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:33,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:33,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:33,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:33,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:33,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:33,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:23:33,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:33,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:23:33,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:33,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:33,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:33,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:33,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:33,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:33,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:33,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:33,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:33,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:23:33,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:33,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:23:33,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:23:33,432 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2021-06-17 06:23:33,432 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:23:33,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:23:33,433 INFO L82 PathProgramCache]: Analyzing trace with hash -864112952, now seen corresponding path program 10 times [2021-06-17 06:23:33,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:23:33,433 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218696736] [2021-06-17 06:23:33,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:23:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:34,083 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:34,083 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:23:34,083 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218696736] [2021-06-17 06:23:34,083 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218696736] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:34,083 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139177897] [2021-06-17 06:23:34,083 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 [2021-06-17 06:23:34,130 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:23:34,130 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:23:34,131 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 53 conjunts are in the unsatisfiable core [2021-06-17 06:23:34,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:23:35,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:35,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:35,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:35,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:35,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:35,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:35,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:35,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:35,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-06-17 06:23:35,053 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:35,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:35,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:35,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:35,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:35,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:35,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:35,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:35,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-06-17 06:23:35,067 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:35,081 INFO L628 ElimStorePlain]: treesize reduction 106, result has 9.4 percent of original size [2021-06-17 06:23:35,082 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:23:35,082 INFO L518 ElimStorePlain]: Eliminatee v_prenex_30 vanished before elimination [2021-06-17 06:23:35,082 INFO L518 ElimStorePlain]: Eliminatee v_prenex_29 vanished before elimination [2021-06-17 06:23:35,083 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:23:35,083 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:206, output treesize:11 [2021-06-17 06:23:35,126 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:35,127 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139177897] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:35,127 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:23:35,127 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 22 [2021-06-17 06:23:35,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019766699] [2021-06-17 06:23:35,129 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-17 06:23:35,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:23:35,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-17 06:23:35,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2021-06-17 06:23:35,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:35,130 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:23:35,130 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.5) internal successors, (33), 22 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) [2021-06-17 06:23:35,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:35,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:35,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:35,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:35,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:35,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:35,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:35,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:35,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:23:35,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:35,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:23:35,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:23:35,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:36,020 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 94 [2021-06-17 06:23:36,265 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 107 [2021-06-17 06:23:36,471 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 108 [2021-06-17 06:23:36,686 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 91 [2021-06-17 06:23:36,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:36,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:36,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:36,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:36,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:36,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:36,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:36,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:36,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:23:36,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:36,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:23:36,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:23:36,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:37,112 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:23:37,113 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:23:37,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:23:37,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1050957022, now seen corresponding path program 11 times [2021-06-17 06:23:37,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:23:37,114 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751274052] [2021-06-17 06:23:37,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:23:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:37,238 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:37,238 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:23:37,238 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751274052] [2021-06-17 06:23:37,238 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751274052] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:37,238 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790944931] [2021-06-17 06:23:37,238 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 [2021-06-17 06:23:37,273 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-17 06:23:37,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:23:37,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-17 06:23:37,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:23:37,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:23:37,421 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:37,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:23:37,425 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:37,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:23:37,428 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:37,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:23:37,432 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:37,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:37,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:23:37,435 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:37,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:23:37,438 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:37,462 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-06-17 06:23:37,462 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:23:37,463 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-17 06:23:37,463 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-17 06:23:37,495 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:37,495 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790944931] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:37,495 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:23:37,495 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-06-17 06:23:37,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763630100] [2021-06-17 06:23:37,496 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-17 06:23:37,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:23:37,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-17 06:23:37,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-06-17 06:23:37,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:37,496 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:23:37,496 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) [2021-06-17 06:23:37,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:37,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:37,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:37,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:37,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:37,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:37,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:37,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:37,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:23:37,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:37,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:23:37,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:23:37,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:37,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:23:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:23:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:23:38,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:38,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:23:38,212 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2021-06-17 06:23:38,213 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:23:38,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:23:38,213 INFO L82 PathProgramCache]: Analyzing trace with hash -77314542, now seen corresponding path program 12 times [2021-06-17 06:23:38,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:23:38,213 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212829119] [2021-06-17 06:23:38,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:23:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:38,338 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:38,338 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:23:38,338 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212829119] [2021-06-17 06:23:38,338 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212829119] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:38,338 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771294575] [2021-06-17 06:23:38,338 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 [2021-06-17 06:23:38,373 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-17 06:23:38,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:23:38,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-17 06:23:38,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:23:38,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:38,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:23:38,512 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:38,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:23:38,515 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:38,531 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-17 06:23:38,531 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:23:38,532 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:23:38,532 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-17 06:23:38,556 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:38,557 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771294575] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:38,557 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:23:38,557 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-06-17 06:23:38,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455645158] [2021-06-17 06:23:38,557 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-17 06:23:38,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:23:38,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-17 06:23:38,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-06-17 06:23:38,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:38,558 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:23:38,558 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) [2021-06-17 06:23:38,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:38,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:38,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:38,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:38,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:38,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:38,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:38,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:38,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:23:38,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:38,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:23:38,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:23:38,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:38,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:23:38,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:38,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:38,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:38,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:38,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:38,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:38,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:38,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:38,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:38,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:23:38,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:38,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:23:38,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:23:38,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:38,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:23:38,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:23:39,028 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:23:39,028 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:23:39,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:23:39,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1864957208, now seen corresponding path program 13 times [2021-06-17 06:23:39,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:23:39,031 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126784385] [2021-06-17 06:23:39,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:23:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:39,597 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:39,597 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:23:39,597 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126784385] [2021-06-17 06:23:39,597 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126784385] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:39,597 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263597850] [2021-06-17 06:23:39,597 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 [2021-06-17 06:23:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:39,632 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 65 conjunts are in the unsatisfiable core [2021-06-17 06:23:39,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:23:40,481 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2021-06-17 06:23:40,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:40,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:40,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:40,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:40,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:40,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:40,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:40,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:40,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:40,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:40,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:40,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:40,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:40,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 49 [2021-06-17 06:23:40,863 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:40,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:40,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:40,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:40,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:40,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:40,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:40,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:40,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:40,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:40,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:40,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:40,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:40,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-06-17 06:23:40,879 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:40,891 INFO L628 ElimStorePlain]: treesize reduction 127, result has 8.0 percent of original size [2021-06-17 06:23:40,892 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:23:40,892 INFO L518 ElimStorePlain]: Eliminatee v_prenex_39 vanished before elimination [2021-06-17 06:23:40,892 INFO L518 ElimStorePlain]: Eliminatee v_prenex_38 vanished before elimination [2021-06-17 06:23:40,892 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:23:40,892 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:239, output treesize:11 [2021-06-17 06:23:40,902 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:40,903 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263597850] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:40,903 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:23:40,903 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 25 [2021-06-17 06:23:40,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595493834] [2021-06-17 06:23:40,903 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-17 06:23:40,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:23:40,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-17 06:23:40,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=542, Unknown=0, NotChecked=0, Total=600 [2021-06-17 06:23:40,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:40,904 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:23:40,904 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) [2021-06-17 06:23:40,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:40,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:40,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:40,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:40,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:40,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:40,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:40,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:40,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:23:40,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:40,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:23:40,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:23:40,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:40,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:23:40,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:23:40,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:42,376 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-06-17 06:23:42,879 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 86 [2021-06-17 06:23:43,040 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 87 [2021-06-17 06:23:43,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:43,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:43,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:43,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:43,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:43,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:43,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:43,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:43,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:23:43,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:43,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:23:43,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:23:43,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:43,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:23:43,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:23:43,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:23:43,409 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:23:43,410 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:23:43,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:23:43,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1945839314, now seen corresponding path program 14 times [2021-06-17 06:23:43,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:23:43,410 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525011263] [2021-06-17 06:23:43,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:23:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:43,570 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:43,570 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:23:43,570 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525011263] [2021-06-17 06:23:43,570 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525011263] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:43,570 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248699288] [2021-06-17 06:23:43,570 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 [2021-06-17 06:23:43,604 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:23:43,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:23:43,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-17 06:23:43,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:23:43,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:23:43,812 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:43,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:23:43,815 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:43,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:23:43,818 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:43,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:43,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:23:43,822 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:43,824 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:43,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:23:43,829 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:43,831 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 [2021-06-17 06:23:43,832 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:43,857 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-06-17 06:23:43,857 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:23:43,858 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-17 06:23:43,858 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-17 06:23:43,891 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:43,891 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248699288] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:43,892 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:23:43,892 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-06-17 06:23:43,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36652957] [2021-06-17 06:23:43,892 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-17 06:23:43,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:23:43,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-17 06:23:43,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-06-17 06:23:43,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:43,893 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:23:43,893 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) [2021-06-17 06:23:43,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:43,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:43,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:43,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:43,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:43,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:43,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:43,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:43,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:23:43,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:43,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:23:43,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:23:43,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:43,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:23:43,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:23:43,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:23:43,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:44,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:44,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:44,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:44,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:44,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:44,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:44,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:44,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:44,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:23:44,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:44,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:23:44,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:23:44,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:44,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:23:44,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:23:44,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:23:44,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:23:44,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2021-06-17 06:23:44,753 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:23:44,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:23:44,753 INFO L82 PathProgramCache]: Analyzing trace with hash 2063985122, now seen corresponding path program 15 times [2021-06-17 06:23:44,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:23:44,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820214289] [2021-06-17 06:23:44,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:23:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:44,905 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:44,906 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:23:44,906 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820214289] [2021-06-17 06:23:44,906 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820214289] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:44,906 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900628492] [2021-06-17 06:23:44,906 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 [2021-06-17 06:23:44,944 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-17 06:23:44,944 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:23:44,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-17 06:23:44,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:23:45,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:45,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:23:45,119 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:45,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:23:45,121 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:45,136 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-17 06:23:45,137 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:23:45,137 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:23:45,137 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-17 06:23:45,163 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:45,163 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900628492] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:45,163 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:23:45,163 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-06-17 06:23:45,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080901424] [2021-06-17 06:23:45,163 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-17 06:23:45,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:23:45,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-17 06:23:45,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-06-17 06:23:45,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:45,164 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:23:45,164 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) [2021-06-17 06:23:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:23:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:23:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:23:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:23:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:23:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:23:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:23:45,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:45,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:45,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:45,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:45,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:45,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:45,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:45,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:45,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:45,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:23:45,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:45,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:23:45,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:23:45,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:45,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:23:45,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:23:45,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:23:45,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:23:45,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:23:45,672 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:23:45,672 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:23:45,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:23:45,673 INFO L82 PathProgramCache]: Analyzing trace with hash -474229944, now seen corresponding path program 16 times [2021-06-17 06:23:45,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:23:45,673 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908327749] [2021-06-17 06:23:45,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:23:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:46,622 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:46,622 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:23:46,622 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908327749] [2021-06-17 06:23:46,622 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908327749] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:46,622 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234542019] [2021-06-17 06:23:46,622 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 [2021-06-17 06:23:46,658 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:23:46,658 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:23:46,659 WARN L261 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 77 conjunts are in the unsatisfiable core [2021-06-17 06:23:46,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:23:48,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:48,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:48,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-06-17 06:23:48,364 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:48,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:48,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:48,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 56 [2021-06-17 06:23:48,381 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:48,394 INFO L628 ElimStorePlain]: treesize reduction 128, result has 7.9 percent of original size [2021-06-17 06:23:48,395 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:23:48,395 INFO L518 ElimStorePlain]: Eliminatee v_prenex_47 vanished before elimination [2021-06-17 06:23:48,395 INFO L518 ElimStorePlain]: Eliminatee v_prenex_48 vanished before elimination [2021-06-17 06:23:48,396 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:23:48,396 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:272, output treesize:11 [2021-06-17 06:23:48,443 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:48,443 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234542019] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:48,443 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:23:48,443 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16] total 31 [2021-06-17 06:23:48,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762268182] [2021-06-17 06:23:48,443 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-17 06:23:48,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:23:48,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-17 06:23:48,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=864, Unknown=0, NotChecked=0, Total=930 [2021-06-17 06:23:48,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:48,445 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:23:48,445 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 31 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:23:48,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:48,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:48,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:48,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:48,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:48,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:48,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:48,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:48,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:23:48,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:48,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:23:48,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:23:48,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:48,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:23:48,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:23:48,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:23:48,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:23:48,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:23:48,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:49,545 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2021-06-17 06:23:50,017 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 76 [2021-06-17 06:23:50,341 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 78 [2021-06-17 06:23:50,806 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 79 [2021-06-17 06:23:51,237 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 79 [2021-06-17 06:23:51,670 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 79 [2021-06-17 06:23:51,990 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 84 [2021-06-17 06:23:52,211 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 71 [2021-06-17 06:23:52,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:52,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:52,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:52,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:52,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:52,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:52,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:52,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:52,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:23:52,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:52,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:23:52,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:23:52,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:52,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:23:52,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:23:52,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:23:52,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:23:52,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:23:52,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:23:52,504 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable122 [2021-06-17 06:23:52,505 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:23:52,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:23:52,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1849485662, now seen corresponding path program 17 times [2021-06-17 06:23:52,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:23:52,505 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682616618] [2021-06-17 06:23:52,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:23:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:52,682 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:52,682 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:23:52,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682616618] [2021-06-17 06:23:52,682 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682616618] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:52,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634567275] [2021-06-17 06:23:52,682 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 [2021-06-17 06:23:52,723 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-17 06:23:52,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:23:52,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-17 06:23:52,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:23:52,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:52,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:23:52,949 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:52,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:52,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:23:52,953 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:52,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:23:52,956 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:52,958 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:23:52,958 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:52,960 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:23:52,961 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:52,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:23:52,964 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:52,984 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-06-17 06:23:52,984 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:23:52,985 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-17 06:23:52,985 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-17 06:23:53,026 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:53,027 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634567275] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:53,027 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:23:53,027 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-06-17 06:23:53,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766770506] [2021-06-17 06:23:53,027 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-17 06:23:53,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:23:53,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-17 06:23:53,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-06-17 06:23:53,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:53,028 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:23:53,028 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) [2021-06-17 06:23:53,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:53,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:53,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:53,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:53,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:53,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:53,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:53,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:53,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:23:53,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:53,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:23:53,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:23:53,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:53,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:23:53,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:23:53,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:23:53,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:23:53,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:23:53,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:23:53,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:53,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:53,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:53,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:53,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:53,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:53,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:53,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:53,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:53,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:23:53,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:53,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:23:53,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:23:53,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:53,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:23:53,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:23:53,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:23:53,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:23:53,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:23:53,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:23:53,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:23:54,193 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable146 [2021-06-17 06:23:54,194 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:23:54,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:23:54,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1813034386, now seen corresponding path program 18 times [2021-06-17 06:23:54,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:23:54,194 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86818229] [2021-06-17 06:23:54,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:23:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:54,365 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:54,365 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:23:54,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86818229] [2021-06-17 06:23:54,365 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86818229] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:54,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956919581] [2021-06-17 06:23:54,365 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 [2021-06-17 06:23:54,403 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-17 06:23:54,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:23:54,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-17 06:23:54,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:23:54,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:54,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:23:54,595 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:54,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:23:54,597 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:54,610 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-17 06:23:54,611 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:23:54,611 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:23:54,611 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-17 06:23:54,637 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:54,637 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956919581] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:54,637 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:23:54,637 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-06-17 06:23:54,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671846898] [2021-06-17 06:23:54,638 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-17 06:23:54,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:23:54,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-17 06:23:54,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-06-17 06:23:54,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:54,639 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:23:54,639 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) [2021-06-17 06:23:54,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:54,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:54,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:54,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:54,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:54,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:54,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:54,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:54,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:23:54,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:54,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:23:54,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:23:54,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:54,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:23:54,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:23:54,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:23:54,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:23:54,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:23:54,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:23:54,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:23:54,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:23:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:23:55,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:23:55,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:55,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:23:55,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:23:55,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:23:55,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:23:55,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:23:55,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:23:55,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:23:55,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:23:55,224 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:23:55,225 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:23:55,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:23:55,225 INFO L82 PathProgramCache]: Analyzing trace with hash 336231832, now seen corresponding path program 19 times [2021-06-17 06:23:55,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:23:55,225 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702057341] [2021-06-17 06:23:55,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:23:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:55,860 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:55,860 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:23:55,860 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702057341] [2021-06-17 06:23:55,860 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702057341] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:55,860 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295338202] [2021-06-17 06:23:55,860 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 [2021-06-17 06:23:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:23:55,903 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 89 conjunts are in the unsatisfiable core [2021-06-17 06:23:55,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:23:57,072 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2021-06-17 06:23:57,918 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 90 [2021-06-17 06:23:57,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:57,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:57,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:57,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:57,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:57,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:57,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:57,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:57,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:57,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:57,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:57,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:57,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:57,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:23:57,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:57,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:57,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:57,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:57,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:57,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:57,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:57,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:57,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:57,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:23:57,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 61 [2021-06-17 06:23:57,997 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:23:58,021 INFO L628 ElimStorePlain]: treesize reduction 217, result has 4.8 percent of original size [2021-06-17 06:23:58,021 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:23:58,021 INFO L518 ElimStorePlain]: Eliminatee v_prenex_63 vanished before elimination [2021-06-17 06:23:58,021 INFO L518 ElimStorePlain]: Eliminatee v_prenex_62 vanished before elimination [2021-06-17 06:23:58,022 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:23:58,022 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:305, output treesize:11 [2021-06-17 06:23:58,031 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:23:58,031 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295338202] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:23:58,031 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:23:58,031 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 33 [2021-06-17 06:23:58,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797483622] [2021-06-17 06:23:58,032 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-17 06:23:58,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:23:58,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-17 06:23:58,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=978, Unknown=0, NotChecked=0, Total=1056 [2021-06-17 06:23:58,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:23:58,032 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:23:58,033 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:23:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:23:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:23:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:23:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:23:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:23:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:23:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:23:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:23:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:23:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:23:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:23:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:23:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:23:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:23:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:23:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:23:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:23:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:01,779 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2021-06-17 06:24:02,045 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2021-06-17 06:24:02,322 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2021-06-17 06:24:02,683 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 104 [2021-06-17 06:24:02,955 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 133 [2021-06-17 06:24:03,226 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 133 [2021-06-17 06:24:03,500 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 133 [2021-06-17 06:24:03,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:24:03,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:03,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:03,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:03,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:03,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:03,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:03,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:24:03,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:24:03,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:03,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:24:03,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:24:03,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:03,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:24:03,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:24:03,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:24:03,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:24:03,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:24:03,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:24:03,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:24:03,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:24:03,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:24:03,964 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:24:03,964 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:24:03,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:24:03,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1799992914, now seen corresponding path program 20 times [2021-06-17 06:24:03,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:24:03,965 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065902759] [2021-06-17 06:24:03,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:24:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:04,183 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:04,183 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:24:04,183 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065902759] [2021-06-17 06:24:04,183 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065902759] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:04,183 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601674054] [2021-06-17 06:24:04,183 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 [2021-06-17 06:24:04,221 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:24:04,221 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:24:04,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-17 06:24:04,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:24:04,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:24:04,497 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:04,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:04,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:24:04,501 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:04,503 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:24:04,504 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:04,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:24:04,507 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:04,509 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:24:04,510 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:04,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:24:04,512 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:04,533 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-06-17 06:24:04,533 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:24:04,533 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-17 06:24:04,534 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-17 06:24:04,570 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:04,570 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601674054] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:04,570 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:24:04,570 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-06-17 06:24:04,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103543186] [2021-06-17 06:24:04,571 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-17 06:24:04,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:24:04,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-17 06:24:04,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-06-17 06:24:04,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:04,571 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:24:04,572 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) [2021-06-17 06:24:04,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:24:04,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:04,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:04,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:04,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:04,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:04,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:04,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:24:04,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:24:04,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:04,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:24:04,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:24:04,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:04,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:24:04,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:24:04,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:24:04,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:24:04,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:24:04,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:24:04,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:24:04,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:24:04,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:24:04,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:05,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:24:05,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:05,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:05,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:05,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:05,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:05,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:05,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:24:05,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:24:05,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:05,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:24:05,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:24:05,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:05,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:24:05,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:24:05,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:24:05,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:24:05,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:24:05,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:24:05,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:24:05,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:24:05,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:24:05,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:24:05,751 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:24:05,752 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:24:05,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:24:05,752 INFO L82 PathProgramCache]: Analyzing trace with hash -626002590, now seen corresponding path program 21 times [2021-06-17 06:24:05,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:24:05,752 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966563860] [2021-06-17 06:24:05,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:24:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:05,966 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:05,966 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:24:05,966 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966563860] [2021-06-17 06:24:05,966 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966563860] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:05,966 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187978991] [2021-06-17 06:24:05,966 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 [2021-06-17 06:24:06,006 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-17 06:24:06,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:24:06,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-17 06:24:06,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:24:06,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:06,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:24:06,243 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:06,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:24:06,246 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:06,260 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-17 06:24:06,261 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:24:06,261 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:24:06,261 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-17 06:24:06,290 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:06,290 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187978991] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:06,290 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:24:06,290 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-06-17 06:24:06,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694321481] [2021-06-17 06:24:06,291 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-17 06:24:06,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:24:06,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-17 06:24:06,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-06-17 06:24:06,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:06,291 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:24:06,292 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) [2021-06-17 06:24:06,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:24:06,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:06,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:06,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:06,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:06,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:06,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:06,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:24:06,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:24:06,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:06,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:24:06,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:24:06,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:06,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:24:06,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:24:06,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:24:06,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:24:06,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:24:06,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:24:06,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:24:06,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:24:06,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:24:06,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:24:06,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:06,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:24:06,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:06,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:24:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:24:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:24:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:24:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:24:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:24:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:24:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:24:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:24:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:24:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:24:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:24:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:24:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:24:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:24:07,051 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:24:07,051 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:24:07,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:24:07,060 INFO L82 PathProgramCache]: Analyzing trace with hash 2035496904, now seen corresponding path program 22 times [2021-06-17 06:24:07,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:24:07,060 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216194675] [2021-06-17 06:24:07,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:24:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:07,822 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:07,822 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:24:07,822 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216194675] [2021-06-17 06:24:07,822 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216194675] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:07,822 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040707646] [2021-06-17 06:24:07,822 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 [2021-06-17 06:24:07,863 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:24:07,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:24:07,865 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2021-06-17 06:24:07,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:24:09,071 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-06-17 06:24:09,291 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-06-17 06:24:09,546 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-06-17 06:24:09,761 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-06-17 06:24:09,991 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-06-17 06:24:10,201 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-06-17 06:24:10,418 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-06-17 06:24:10,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:10,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:10,497 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 [2021-06-17 06:24:10,500 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:10,527 INFO L628 ElimStorePlain]: treesize reduction 239, result has 4.4 percent of original size [2021-06-17 06:24:10,527 INFO L518 ElimStorePlain]: Eliminatee v_prenex_71 vanished before elimination [2021-06-17 06:24:10,527 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-06-17 06:24:10,527 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:24:10,528 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:24:10,528 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:338, output treesize:11 [2021-06-17 06:24:10,576 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:10,577 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040707646] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:10,577 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:24:10,577 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 38 [2021-06-17 06:24:10,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515148236] [2021-06-17 06:24:10,577 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-17 06:24:10,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:24:10,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-17 06:24:10,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1315, Unknown=0, NotChecked=0, Total=1406 [2021-06-17 06:24:10,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:10,587 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:24:10,587 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:24:10,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:24:10,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:10,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:10,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:10,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:10,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:10,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:10,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:24:10,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:24:10,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:10,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:24:10,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:24:10,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:10,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:24:10,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:24:10,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:24:10,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:24:10,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:24:10,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:24:10,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:24:10,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:24:10,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:24:10,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:24:10,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:24:10,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:15,631 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 110 [2021-06-17 06:24:15,862 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 113 [2021-06-17 06:24:16,110 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 113 [2021-06-17 06:24:16,360 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 119 [2021-06-17 06:24:16,613 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 119 [2021-06-17 06:24:16,873 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 119 [2021-06-17 06:24:17,126 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 119 [2021-06-17 06:24:17,380 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 119 [2021-06-17 06:24:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:24:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:24:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:24:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:24:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:24:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:24:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:24:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:24:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:24:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:24:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:24:17,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:24:17,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:24:17,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:24:17,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:24:17,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:24:17,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:24:17,847 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:24:17,848 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:24:17,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:24:17,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1357364702, now seen corresponding path program 23 times [2021-06-17 06:24:17,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:24:17,848 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028968610] [2021-06-17 06:24:17,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:24:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:18,112 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:18,112 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:24:18,112 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028968610] [2021-06-17 06:24:18,112 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028968610] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:18,112 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626258141] [2021-06-17 06:24:18,112 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 [2021-06-17 06:24:18,155 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-17 06:24:18,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:24:18,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-06-17 06:24:18,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:24:18,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:24:18,452 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:18,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:24:18,455 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:18,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:18,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:24:18,458 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:18,461 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:18,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:24:18,462 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:18,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:24:18,465 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:18,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:24:18,468 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:18,493 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-06-17 06:24:18,493 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:24:18,494 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-17 06:24:18,494 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-17 06:24:18,533 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:18,533 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626258141] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:18,533 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:24:18,533 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-06-17 06:24:18,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042219447] [2021-06-17 06:24:18,533 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-17 06:24:18,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:24:18,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-17 06:24:18,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-06-17 06:24:18,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:18,534 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:24:18,534 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) [2021-06-17 06:24:18,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:24:18,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:18,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:18,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:18,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:18,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:24:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:24:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:24:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:24:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:24:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:24:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:24:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:24:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:24:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:24:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:24:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:24:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:24:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:24:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:24:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:24:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:19,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:24:19,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:19,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:19,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:19,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:19,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:19,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:19,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:24:19,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:24:19,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:19,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:24:19,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:24:19,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:19,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:24:19,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:24:19,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:24:19,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:24:19,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:24:19,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:24:19,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:24:19,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:24:19,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:24:19,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:24:19,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:24:19,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:24:19,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:24:19,973 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable217 [2021-06-17 06:24:19,973 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:24:19,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:24:19,974 INFO L82 PathProgramCache]: Analyzing trace with hash 746186002, now seen corresponding path program 24 times [2021-06-17 06:24:19,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:24:19,974 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460566592] [2021-06-17 06:24:19,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:24:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:20,244 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:20,244 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:24:20,244 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460566592] [2021-06-17 06:24:20,244 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460566592] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:20,244 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300201275] [2021-06-17 06:24:20,244 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 [2021-06-17 06:24:20,290 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-17 06:24:20,290 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:24:20,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-17 06:24:20,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:24:20,591 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:20,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:24:20,593 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:20,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:24:20,597 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:20,611 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-17 06:24:20,611 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:24:20,612 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:24:20,612 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-17 06:24:20,643 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:20,643 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300201275] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:20,643 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:24:20,643 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-06-17 06:24:20,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032583201] [2021-06-17 06:24:20,643 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-17 06:24:20,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:24:20,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-17 06:24:20,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-06-17 06:24:20,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:20,644 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:24:20,644 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) [2021-06-17 06:24:20,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:24:20,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:20,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:20,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:20,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:20,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:20,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:20,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:24:20,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:24:20,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:20,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:24:20,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:24:20,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:20,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:24:20,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:24:20,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:24:20,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:24:20,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:24:20,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:24:20,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:24:20,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:24:20,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:24:20,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:24:20,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:24:20,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:24:20,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:24:20,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:21,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:24:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:24:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:24:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:24:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:24:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:24:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:24:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:24:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:24:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:24:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:24:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:24:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:24:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:24:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:24:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:24:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:24:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:24:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:24:21,470 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable223 [2021-06-17 06:24:21,471 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:24:21,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:24:21,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1623670296, now seen corresponding path program 25 times [2021-06-17 06:24:21,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:24:21,471 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674792354] [2021-06-17 06:24:21,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:24:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:22,732 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:22,733 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:24:22,733 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674792354] [2021-06-17 06:24:22,733 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674792354] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:22,733 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958578564] [2021-06-17 06:24:22,733 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 [2021-06-17 06:24:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:22,788 WARN L261 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 113 conjunts are in the unsatisfiable core [2021-06-17 06:24:22,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:24:24,219 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-06-17 06:24:24,460 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-06-17 06:24:24,698 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-06-17 06:24:24,972 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-06-17 06:24:25,215 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-06-17 06:24:25,501 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-06-17 06:24:25,773 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-06-17 06:24:26,020 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-06-17 06:24:26,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:26,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:26,154 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 [2021-06-17 06:24:26,158 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:26,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,187 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:26,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:26,192 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 [2021-06-17 06:24:26,195 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:26,208 INFO L628 ElimStorePlain]: treesize reduction 165, result has 6.3 percent of original size [2021-06-17 06:24:26,208 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:24:26,208 INFO L518 ElimStorePlain]: Eliminatee v_prenex_85 vanished before elimination [2021-06-17 06:24:26,208 INFO L518 ElimStorePlain]: Eliminatee v_prenex_84 vanished before elimination [2021-06-17 06:24:26,209 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:24:26,209 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:371, output treesize:11 [2021-06-17 06:24:26,262 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:26,263 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958578564] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:26,263 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:24:26,263 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 42 [2021-06-17 06:24:26,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149241406] [2021-06-17 06:24:26,263 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-06-17 06:24:26,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:24:26,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-06-17 06:24:26,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1621, Unknown=0, NotChecked=0, Total=1722 [2021-06-17 06:24:26,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:26,264 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:24:26,264 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 42 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:24:26,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:24:26,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:26,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:26,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:26,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:26,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:26,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:24:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:24:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:24:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:24:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:24:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:24:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:24:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:24:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:24:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:24:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:24:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:24:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:24:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:24:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:24:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:24:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:24:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:24:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:33,477 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 119 [2021-06-17 06:24:33,825 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 128 [2021-06-17 06:24:34,159 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 131 [2021-06-17 06:24:34,496 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 131 [2021-06-17 06:24:34,820 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 131 [2021-06-17 06:24:35,149 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 128 [2021-06-17 06:24:35,529 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 128 [2021-06-17 06:24:35,829 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 131 [2021-06-17 06:24:36,148 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 131 [2021-06-17 06:24:36,359 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2021-06-17 06:24:36,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:24:36,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:36,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:36,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:36,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:24:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:24:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:24:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:24:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:24:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:24:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:24:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:24:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:24:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:24:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:24:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:24:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:24:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:24:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:24:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:24:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:24:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:24:36,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:24:36,689 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable225 [2021-06-17 06:24:36,689 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:24:36,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:24:36,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1239087662, now seen corresponding path program 26 times [2021-06-17 06:24:36,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:24:36,689 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653448709] [2021-06-17 06:24:36,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:24:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:36,994 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:36,995 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:24:36,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653448709] [2021-06-17 06:24:36,995 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653448709] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:36,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312561271] [2021-06-17 06:24:36,995 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 [2021-06-17 06:24:37,038 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:24:37,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:24:37,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-06-17 06:24:37,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:24:37,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:24:37,403 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:37,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:24:37,406 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:37,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:24:37,410 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:37,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:37,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:24:37,414 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:37,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:24:37,417 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:37,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:24:37,421 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:37,445 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-06-17 06:24:37,446 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:24:37,446 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-17 06:24:37,446 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-17 06:24:37,488 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:37,488 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312561271] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:37,488 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:24:37,488 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-06-17 06:24:37,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51187942] [2021-06-17 06:24:37,488 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-17 06:24:37,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:24:37,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-17 06:24:37,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-06-17 06:24:37,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:37,489 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:24:37,489 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) [2021-06-17 06:24:37,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:24:37,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:37,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:37,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:24:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:24:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:24:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:24:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:24:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:24:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:24:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:24:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:24:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:24:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:24:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:24:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:24:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:24:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:24:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:24:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:24:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:24:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:24:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:39,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:24:39,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:39,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:39,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:24:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:24:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:24:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:24:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:24:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:24:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:24:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:24:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:24:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:24:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:24:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:24:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:24:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:24:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:24:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:24:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:24:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:24:39,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:24:39,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:24:39,347 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable256 [2021-06-17 06:24:39,348 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:24:39,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:24:39,348 INFO L82 PathProgramCache]: Analyzing trace with hash -453525278, now seen corresponding path program 27 times [2021-06-17 06:24:39,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:24:39,348 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694653327] [2021-06-17 06:24:39,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:24:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:39,679 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:39,679 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:24:39,679 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694653327] [2021-06-17 06:24:39,679 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694653327] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:39,679 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422338711] [2021-06-17 06:24:39,679 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 [2021-06-17 06:24:39,726 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-17 06:24:39,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:24:39,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-06-17 06:24:39,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:24:40,051 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:40,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:24:40,053 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:40,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:24:40,055 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:40,070 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-17 06:24:40,070 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:24:40,071 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:24:40,071 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-17 06:24:40,104 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:40,104 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422338711] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:40,104 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:24:40,104 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-06-17 06:24:40,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272049411] [2021-06-17 06:24:40,104 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-17 06:24:40,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:24:40,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-17 06:24:40,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-06-17 06:24:40,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:40,105 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:24:40,105 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) [2021-06-17 06:24:40,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:24:40,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:40,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:40,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:40,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:40,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:40,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:40,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:24:40,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:24:40,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:40,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:24:40,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:24:40,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:40,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:24:40,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:24:40,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:24:40,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:24:40,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:24:40,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:24:40,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:24:40,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:24:40,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:24:40,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:24:40,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:24:40,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:24:40,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:24:40,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:24:40,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:24:40,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:24:40,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:24:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:24:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:24:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:24:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:24:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:24:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:24:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:24:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:24:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:24:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:24:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:24:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:24:40,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:24:40,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:24:40,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:24:40,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:24:40,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:24:40,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:24:40,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:24:40,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:24:40,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:24:41,158 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable262,30 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:24:41,159 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:24:41,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:24:41,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1207641016, now seen corresponding path program 28 times [2021-06-17 06:24:41,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:24:41,159 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892588138] [2021-06-17 06:24:41,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:24:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:24:42,263 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:42,263 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:24:42,263 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892588138] [2021-06-17 06:24:42,263 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892588138] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:42,263 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048237723] [2021-06-17 06:24:42,263 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 [2021-06-17 06:24:42,309 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:24:42,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:24:42,311 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 125 conjunts are in the unsatisfiable core [2021-06-17 06:24:42,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:24:44,046 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-06-17 06:24:44,323 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-06-17 06:24:44,644 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-06-17 06:24:44,952 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-06-17 06:24:45,226 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-06-17 06:24:45,548 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-06-17 06:24:45,867 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-06-17 06:24:46,181 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-06-17 06:24:46,510 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-06-17 06:24:46,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:24:46,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:24:46,611 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 [2021-06-17 06:24:46,615 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:24:46,648 INFO L628 ElimStorePlain]: treesize reduction 287, result has 3.7 percent of original size [2021-06-17 06:24:46,648 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:24:46,649 INFO L518 ElimStorePlain]: Eliminatee v_prenex_100 vanished before elimination [2021-06-17 06:24:46,649 INFO L518 ElimStorePlain]: Eliminatee v_prenex_99 vanished before elimination [2021-06-17 06:24:46,649 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:24:46,649 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:404, output treesize:11 [2021-06-17 06:24:46,713 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:24:46,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048237723] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:24:46,714 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:24:46,714 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 46 [2021-06-17 06:24:46,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017301749] [2021-06-17 06:24:46,714 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-17 06:24:46,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:24:46,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-17 06:24:46,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1959, Unknown=0, NotChecked=0, Total=2070 [2021-06-17 06:24:46,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:46,715 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:24:46,715 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.2391304347826086) internal successors, (57), 46 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:24:46,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:24:46,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:46,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:24:46,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:46,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:46,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:24:46,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:24:46,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:24:46,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:24:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:24:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:24:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:24:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:24:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:24:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:24:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:24:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:24:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:24:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:24:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:24:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:24:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:24:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:24:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:24:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:24:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:24:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:24:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:24:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:24:46,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:24:54,499 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2021-06-17 06:24:56,647 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 127 [2021-06-17 06:24:57,031 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 130 [2021-06-17 06:24:57,471 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 130 [2021-06-17 06:24:57,897 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 130 [2021-06-17 06:24:58,317 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 130 [2021-06-17 06:24:58,771 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 130 [2021-06-17 06:24:59,207 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 130 [2021-06-17 06:24:59,629 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 130 [2021-06-17 06:25:00,053 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 130 [2021-06-17 06:25:00,490 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 130 [2021-06-17 06:25:00,746 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2021-06-17 06:25:00,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:25:00,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:00,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:00,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:00,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:00,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:00,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:00,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:00,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:25:00,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:00,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:00,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:00,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:00,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:25:00,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:00,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:25:00,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:25:00,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:25:00,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:25:00,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:25:00,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:25:00,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:25:00,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:00,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:25:00,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:25:00,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:25:00,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:00,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:25:00,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:25:00,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:25:00,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:25:01,116 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable264,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:01,117 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:25:01,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:25:01,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1184574882, now seen corresponding path program 29 times [2021-06-17 06:25:01,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:25:01,117 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641679611] [2021-06-17 06:25:01,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:25:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:01,503 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:01,503 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:25:01,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641679611] [2021-06-17 06:25:01,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641679611] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:01,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943229729] [2021-06-17 06:25:01,504 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 [2021-06-17 06:25:01,553 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-17 06:25:01,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:25:01,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-17 06:25:01,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:25:01,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:01,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:25:01,974 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:01,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:01,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:25:01,978 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:01,981 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 [2021-06-17 06:25:01,982 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:01,984 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:25:01,985 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:01,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:25:01,988 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:01,990 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:25:01,991 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:02,013 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-06-17 06:25:02,013 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:25:02,014 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-17 06:25:02,014 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-17 06:25:02,082 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:02,083 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943229729] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:02,083 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:25:02,083 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-06-17 06:25:02,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146691113] [2021-06-17 06:25:02,083 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-17 06:25:02,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:25:02,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-17 06:25:02,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-06-17 06:25:02,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:02,084 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:25:02,084 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) [2021-06-17 06:25:02,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:25:02,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:02,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:02,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:02,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:02,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:02,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:02,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:02,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:25:02,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:02,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:02,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:02,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:02,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:25:02,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:02,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:25:02,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:25:02,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:25:02,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:25:02,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:25:02,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:25:02,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:25:02,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:02,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:25:02,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:25:02,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:25:02,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:02,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:25:02,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:25:02,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:25:02,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:25:02,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:03,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:25:03,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:03,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:03,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:03,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:03,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:03,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:03,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:03,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:25:03,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:03,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:03,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:03,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:03,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:25:03,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:03,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:25:03,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:25:03,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:25:03,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:25:03,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:25:03,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:25:03,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:25:03,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:03,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:25:03,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:25:03,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:25:03,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:03,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:25:03,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:25:03,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:25:03,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:25:03,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:25:04,069 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable297,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:04,070 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:25:04,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:25:04,070 INFO L82 PathProgramCache]: Analyzing trace with hash -232794990, now seen corresponding path program 30 times [2021-06-17 06:25:04,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:25:04,070 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666073463] [2021-06-17 06:25:04,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:25:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:04,421 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:04,421 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:25:04,421 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666073463] [2021-06-17 06:25:04,421 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666073463] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:04,421 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964929507] [2021-06-17 06:25:04,422 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 [2021-06-17 06:25:04,471 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-17 06:25:04,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:25:04,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-17 06:25:04,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:25:04,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:04,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:25:04,877 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:04,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:25:04,880 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:04,895 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-17 06:25:04,895 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:25:04,896 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:25:04,896 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-17 06:25:04,931 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:04,931 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964929507] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:04,931 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:25:04,931 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-06-17 06:25:04,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277134812] [2021-06-17 06:25:04,932 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-17 06:25:04,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:25:04,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-17 06:25:04,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-06-17 06:25:04,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:04,933 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:25:04,933 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) [2021-06-17 06:25:04,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:25:04,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:04,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:04,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:04,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:04,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:04,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:04,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:04,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:25:04,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:04,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:04,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:04,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:04,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:25:04,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:04,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:25:04,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:25:04,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:25:04,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:25:04,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:25:04,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:25:04,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:25:04,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:04,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:25:04,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:25:04,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:25:04,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:04,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:25:04,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:25:04,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:25:04,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:25:04,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:25:04,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:05,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:25:05,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:05,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:05,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:05,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:05,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:05,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:05,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:05,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:25:05,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:05,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:05,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:05,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:05,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:25:05,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:05,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:25:05,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:25:05,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:25:05,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:25:05,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:25:05,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:25:05,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:25:05,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:05,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:25:05,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:25:05,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:25:05,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:05,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:25:05,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:25:05,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:25:05,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:25:05,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:25:05,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:25:06,083 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable304 [2021-06-17 06:25:06,083 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:25:06,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:25:06,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1340030616, now seen corresponding path program 31 times [2021-06-17 06:25:06,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:25:06,084 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605118718] [2021-06-17 06:25:06,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:25:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:07,005 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:07,006 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:25:07,006 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605118718] [2021-06-17 06:25:07,006 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605118718] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:07,006 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469193857] [2021-06-17 06:25:07,006 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 [2021-06-17 06:25:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:07,057 WARN L261 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 137 conjunts are in the unsatisfiable core [2021-06-17 06:25:07,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:25:09,004 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-17 06:25:09,305 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-17 06:25:09,598 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-17 06:25:09,889 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-17 06:25:10,267 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-06-17 06:25:10,637 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-06-17 06:25:10,953 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-17 06:25:11,322 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-06-17 06:25:11,645 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-17 06:25:11,971 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-17 06:25:12,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:12,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:12,092 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 [2021-06-17 06:25:12,096 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:12,131 INFO L628 ElimStorePlain]: treesize reduction 309, result has 3.4 percent of original size [2021-06-17 06:25:12,131 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:25:12,131 INFO L518 ElimStorePlain]: Eliminatee v_prenex_110 vanished before elimination [2021-06-17 06:25:12,131 INFO L518 ElimStorePlain]: Eliminatee v_prenex_111 vanished before elimination [2021-06-17 06:25:12,132 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:25:12,132 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:437, output treesize:11 [2021-06-17 06:25:12,199 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:12,199 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469193857] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:12,199 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:25:12,199 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 50 [2021-06-17 06:25:12,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516869181] [2021-06-17 06:25:12,200 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-06-17 06:25:12,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:25:12,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-06-17 06:25:12,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=2329, Unknown=0, NotChecked=0, Total=2450 [2021-06-17 06:25:12,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:12,200 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:25:12,201 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 1.22) internal successors, (61), 50 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) [2021-06-17 06:25:12,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:25:12,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:12,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:12,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:12,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:12,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:12,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:12,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:12,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:25:12,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:12,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:12,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:12,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:12,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:25:12,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:12,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:25:12,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:25:12,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:25:12,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:25:12,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:25:12,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:25:12,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:25:12,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:12,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:25:12,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:25:12,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:25:12,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:12,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:25:12,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:25:12,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:25:12,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:25:12,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:25:12,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:25:12,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:21,646 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2021-06-17 06:25:24,000 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 136 [2021-06-17 06:25:24,409 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2021-06-17 06:25:24,885 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2021-06-17 06:25:25,370 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2021-06-17 06:25:25,834 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2021-06-17 06:25:26,331 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 185 [2021-06-17 06:25:26,835 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 185 [2021-06-17 06:25:27,442 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 185 [2021-06-17 06:25:27,938 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 185 [2021-06-17 06:25:28,419 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 139 [2021-06-17 06:25:28,936 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 185 [2021-06-17 06:25:29,228 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2021-06-17 06:25:29,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:25:29,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:29,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:29,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:25:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:25:29,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:25:29,576 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable306,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:29,577 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:25:29,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:25:29,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1441983150, now seen corresponding path program 32 times [2021-06-17 06:25:29,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:25:29,577 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557992531] [2021-06-17 06:25:29,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:25:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:29,984 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:29,985 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:25:29,985 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557992531] [2021-06-17 06:25:29,985 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557992531] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:29,985 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972048105] [2021-06-17 06:25:29,985 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 [2021-06-17 06:25:30,031 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:25:30,031 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:25:30,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-06-17 06:25:30,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:25:30,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:25:30,512 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:30,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:25:30,515 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:30,517 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:30,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:25:30,519 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:30,521 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:25:30,521 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:30,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:25:30,524 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:30,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:25:30,527 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:30,550 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-06-17 06:25:30,550 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:25:30,551 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-17 06:25:30,551 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-17 06:25:30,596 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:30,597 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972048105] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:30,597 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:25:30,597 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-06-17 06:25:30,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300685027] [2021-06-17 06:25:30,597 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-17 06:25:30,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:25:30,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-17 06:25:30,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-06-17 06:25:30,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:30,598 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:25:30,598 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) [2021-06-17 06:25:30,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:25:30,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:30,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:30,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:30,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:30,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:30,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:30,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:30,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:25:30,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:30,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:30,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:30,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:30,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:25:30,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:30,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:25:30,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:25:30,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:25:30,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:25:30,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:25:30,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:25:30,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:25:30,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:30,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:25:30,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:25:30,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:25:30,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:30,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:25:30,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:25:30,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:25:30,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:25:30,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:25:30,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:25:30,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:25:30,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:32,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:25:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:25:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:25:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:25:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:25:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:25:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:25:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:25:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:25:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:25:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:25:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:25:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:25:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:25:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:25:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:25:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:25:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:25:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:25:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:25:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:25:32,741 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable344 [2021-06-17 06:25:32,741 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:25:32,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:25:32,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1864191074, now seen corresponding path program 33 times [2021-06-17 06:25:32,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:25:32,742 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111195152] [2021-06-17 06:25:32,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:25:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:33,160 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:33,161 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:25:33,161 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111195152] [2021-06-17 06:25:33,161 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111195152] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:33,161 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976722002] [2021-06-17 06:25:33,161 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 [2021-06-17 06:25:33,215 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-17 06:25:33,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:25:33,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-06-17 06:25:33,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:25:33,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:33,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:25:33,668 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:33,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:25:33,670 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:33,685 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-17 06:25:33,685 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:25:33,685 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:25:33,686 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-17 06:25:33,723 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:33,723 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976722002] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:33,723 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:25:33,723 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-06-17 06:25:33,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906393709] [2021-06-17 06:25:33,723 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-17 06:25:33,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:25:33,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-17 06:25:33,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-06-17 06:25:33,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:33,724 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:25:33,724 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) [2021-06-17 06:25:33,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:25:33,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:33,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:33,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:33,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:33,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:33,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:33,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:33,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:25:33,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:33,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:33,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:33,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:25:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:25:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:25:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:25:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:25:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:25:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:25:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:25:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:25:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:25:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:25:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:25:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:25:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:25:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:25:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:25:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:25:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:25:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:25:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:34,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:25:34,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:34,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:34,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:34,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:34,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:25:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:25:34,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:25:34,775 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable351,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:25:34,775 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:25:34,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:25:34,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1922089160, now seen corresponding path program 34 times [2021-06-17 06:25:34,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:25:34,776 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737794775] [2021-06-17 06:25:34,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:25:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:25:36,418 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:36,419 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:25:36,419 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737794775] [2021-06-17 06:25:36,419 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737794775] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:36,419 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657373582] [2021-06-17 06:25:36,419 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 [2021-06-17 06:25:36,470 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:25:36,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:25:36,473 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 149 conjunts are in the unsatisfiable core [2021-06-17 06:25:36,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:25:38,860 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-06-17 06:25:39,208 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-17 06:25:39,550 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-17 06:25:39,959 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-06-17 06:25:40,378 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-17 06:25:40,764 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-06-17 06:25:41,129 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-17 06:25:41,501 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-17 06:25:41,891 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-17 06:25:42,245 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-17 06:25:42,690 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-06-17 06:25:42,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,805 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:42,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:42,863 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 [2021-06-17 06:25:42,868 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:42,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:25:42,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:25:42,920 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 [2021-06-17 06:25:42,926 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:25:42,941 INFO L628 ElimStorePlain]: treesize reduction 200, result has 5.2 percent of original size [2021-06-17 06:25:42,942 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:25:42,942 INFO L518 ElimStorePlain]: Eliminatee v_prenex_123 vanished before elimination [2021-06-17 06:25:42,942 INFO L518 ElimStorePlain]: Eliminatee v_prenex_124 vanished before elimination [2021-06-17 06:25:42,942 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:25:42,942 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:470, output treesize:11 [2021-06-17 06:25:43,014 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:25:43,014 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657373582] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:25:43,014 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:25:43,014 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 54 [2021-06-17 06:25:43,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463154074] [2021-06-17 06:25:43,015 INFO L462 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-06-17 06:25:43,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:25:43,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-06-17 06:25:43,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=2731, Unknown=0, NotChecked=0, Total=2862 [2021-06-17 06:25:43,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:43,016 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:25:43,016 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 54 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 54 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:25:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:25:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:25:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:25:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:25:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:25:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:25:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:25:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:25:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:25:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:25:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:25:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:25:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:25:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:25:43,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:25:43,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:25:43,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:25:43,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:25:43,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:25:43,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:25:43,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:25:43,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:25:43,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:25:43,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:25:43,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:25:43,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:25:43,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:25:43,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:25:43,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:25:43,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:25:43,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:25:43,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:25:54,537 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2021-06-17 06:25:57,051 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 146 [2021-06-17 06:25:57,458 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 155 [2021-06-17 06:25:57,917 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 155 [2021-06-17 06:25:58,432 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 154 [2021-06-17 06:25:58,937 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 155 [2021-06-17 06:25:59,397 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 155 [2021-06-17 06:25:59,865 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 155 [2021-06-17 06:26:00,323 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 155 [2021-06-17 06:26:00,777 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 155 [2021-06-17 06:26:01,235 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 155 [2021-06-17 06:26:01,798 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 154 [2021-06-17 06:26:02,245 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 155 [2021-06-17 06:26:02,542 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2021-06-17 06:26:02,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:26:02,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:02,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:02,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:02,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:02,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:02,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:02,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:02,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:26:02,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:02,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:02,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:02,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:02,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:26:02,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:02,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:02,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:26:02,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:26:02,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:26:02,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:26:02,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:02,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:26:02,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:26:02,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:02,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:26:02,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:26:02,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:02,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:26:02,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:26:02,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:26:02,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:26:02,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:26:02,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:02,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:26:02,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:26:02,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:02,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-17 06:26:02,911 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable353 [2021-06-17 06:26:02,911 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:26:02,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:26:02,912 INFO L82 PathProgramCache]: Analyzing trace with hash -578037470, now seen corresponding path program 35 times [2021-06-17 06:26:02,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:26:02,912 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398765475] [2021-06-17 06:26:02,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:26:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:26:03,363 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:03,363 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:26:03,363 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398765475] [2021-06-17 06:26:03,363 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398765475] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:03,363 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532531418] [2021-06-17 06:26:03,363 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 [2021-06-17 06:26:03,421 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-17 06:26:03,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:26:03,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-06-17 06:26:03,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:26:03,958 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 [2021-06-17 06:26:03,959 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:03,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:26:03,963 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:03,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:03,966 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 [2021-06-17 06:26:03,967 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:03,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:03,969 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 [2021-06-17 06:26:03,970 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:03,972 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 [2021-06-17 06:26:03,973 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:03,975 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 [2021-06-17 06:26:03,976 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:04,001 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-06-17 06:26:04,001 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:26:04,001 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-17 06:26:04,001 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-17 06:26:04,049 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:04,050 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532531418] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:04,050 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:26:04,050 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-06-17 06:26:04,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140353237] [2021-06-17 06:26:04,050 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-17 06:26:04,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:26:04,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-17 06:26:04,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-06-17 06:26:04,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:04,051 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:26:04,051 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) [2021-06-17 06:26:04,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:26:04,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:04,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:04,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:04,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:04,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:04,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:04,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:04,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:04,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-17 06:26:04,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:26:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:26:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:26:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:26:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:26:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:26:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:26:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:26:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:26:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:26:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:26:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:26:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:26:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:26:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:26:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:26:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:26:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:26:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-17 06:26:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:26:06,761 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable393,38 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:26:06,761 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:26:06,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:26:06,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1165851630, now seen corresponding path program 36 times [2021-06-17 06:26:06,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:26:06,761 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152347997] [2021-06-17 06:26:06,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:26:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:26:07,238 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:07,239 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:26:07,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152347997] [2021-06-17 06:26:07,239 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152347997] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:07,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784400207] [2021-06-17 06:26:07,239 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 [2021-06-17 06:26:07,294 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-17 06:26:07,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:26:07,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-06-17 06:26:07,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:26:07,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:07,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:26:07,810 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:07,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:26:07,813 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:07,827 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-17 06:26:07,827 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:26:07,828 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:26:07,828 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-17 06:26:07,868 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:07,868 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784400207] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:07,868 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:26:07,868 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-06-17 06:26:07,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007511443] [2021-06-17 06:26:07,869 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-17 06:26:07,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:26:07,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-17 06:26:07,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-06-17 06:26:07,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:07,869 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:26:07,869 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) [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:26:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:26:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:26:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:26:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:26:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:26:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:26:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-17 06:26:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:26:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:09,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:26:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:26:09,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:26:09,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:26:09,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:09,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:26:09,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:26:09,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:09,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-17 06:26:09,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:26:09,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:09,287 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable400 [2021-06-17 06:26:09,288 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:26:09,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:26:09,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1814921448, now seen corresponding path program 37 times [2021-06-17 06:26:09,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:26:09,288 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704626415] [2021-06-17 06:26:09,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:26:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:26:10,969 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:10,970 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:26:10,970 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704626415] [2021-06-17 06:26:10,970 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704626415] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:10,970 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027261053] [2021-06-17 06:26:10,970 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 [2021-06-17 06:26:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:26:11,025 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 161 conjunts are in the unsatisfiable core [2021-06-17 06:26:11,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:26:13,982 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-17 06:26:14,462 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-17 06:26:14,957 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-17 06:26:15,445 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-17 06:26:15,856 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-06-17 06:26:16,396 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-17 06:26:16,892 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-17 06:26:17,410 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-17 06:26:17,949 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-17 06:26:18,445 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-06-17 06:26:18,917 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-06-17 06:26:19,470 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-17 06:26:19,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:19,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:19,605 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 [2021-06-17 06:26:19,610 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:19,648 INFO L628 ElimStorePlain]: treesize reduction 349, result has 3.1 percent of original size [2021-06-17 06:26:19,648 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:26:19,648 INFO L518 ElimStorePlain]: Eliminatee v_prenex_146 vanished before elimination [2021-06-17 06:26:19,648 INFO L518 ElimStorePlain]: Eliminatee v_prenex_147 vanished before elimination [2021-06-17 06:26:19,649 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:26:19,649 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:503, output treesize:11 [2021-06-17 06:26:19,748 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:19,748 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027261053] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:19,748 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:26:19,748 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30] total 59 [2021-06-17 06:26:19,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877479440] [2021-06-17 06:26:19,748 INFO L462 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-06-17 06:26:19,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:26:19,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-06-17 06:26:19,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=3294, Unknown=0, NotChecked=0, Total=3422 [2021-06-17 06:26:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:19,749 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:26:19,749 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 1.1694915254237288) internal successors, (69), 59 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) [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:26:19,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:26:19,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:26:19,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:26:19,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:26:19,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:19,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:26:19,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:26:19,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:19,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-17 06:26:19,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:26:19,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:19,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:24,107 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2021-06-17 06:26:24,644 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 97 [2021-06-17 06:26:25,291 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 165 [2021-06-17 06:26:25,798 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 116 [2021-06-17 06:26:26,397 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 174 [2021-06-17 06:26:27,035 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 174 [2021-06-17 06:26:27,604 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 116 [2021-06-17 06:26:28,142 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 112 [2021-06-17 06:26:28,788 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 173 [2021-06-17 06:26:29,587 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 169 [2021-06-17 06:26:30,176 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 116 [2021-06-17 06:26:30,807 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 174 [2021-06-17 06:26:31,326 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 112 [2021-06-17 06:26:31,969 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 170 [2021-06-17 06:26:32,582 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 173 [2021-06-17 06:26:33,108 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 111 [2021-06-17 06:26:33,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:26:33,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:33,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:33,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:33,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:33,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:33,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:33,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:33,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:26:33,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:33,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:33,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:33,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:26:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:26:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:26:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:26:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:26:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:26:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:26:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:26:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:26:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:26:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:26:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:26:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:26:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:26:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:26:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:26:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-17 06:26:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:26:33,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:33,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:26:33,551 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable402 [2021-06-17 06:26:33,552 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:26:33,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:26:33,552 INFO L82 PathProgramCache]: Analyzing trace with hash -461249326, now seen corresponding path program 38 times [2021-06-17 06:26:33,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:26:33,552 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129346656] [2021-06-17 06:26:33,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:26:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:26:34,070 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:34,070 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:26:34,070 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129346656] [2021-06-17 06:26:34,070 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129346656] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:34,070 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16996982] [2021-06-17 06:26:34,070 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 [2021-06-17 06:26:34,119 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:26:34,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:26:34,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-06-17 06:26:34,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:26:34,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:26:34,730 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:34,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:26:34,733 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:34,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:26:34,736 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:34,738 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:34,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:26:34,739 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:34,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:34,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:26:34,742 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:34,744 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:26:34,745 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:34,768 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-06-17 06:26:34,768 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:26:34,768 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-17 06:26:34,768 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-17 06:26:34,819 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:34,820 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16996982] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:34,820 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:26:34,820 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-06-17 06:26:34,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398085436] [2021-06-17 06:26:34,820 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-17 06:26:34,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:26:34,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-17 06:26:34,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-06-17 06:26:34,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:34,821 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:26:34,821 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) [2021-06-17 06:26:34,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:26:34,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:34,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:34,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:34,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:34,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:34,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:34,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:34,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:26:34,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:34,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:34,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:34,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:34,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:26:34,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:34,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:26:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:26:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:26:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:26:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:26:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:26:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:26:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:26:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:26:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:26:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:26:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:26:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:26:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:26:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:26:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-17 06:26:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:26:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:26:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:37,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:26:37,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:37,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:37,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:37,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:37,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:37,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:37,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:37,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:26:37,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:37,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:37,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:37,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:26:37,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-17 06:26:37,758 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable440,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:26:37,758 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:26:37,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:26:37,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1503619102, now seen corresponding path program 39 times [2021-06-17 06:26:37,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:26:37,759 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073208068] [2021-06-17 06:26:37,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:26:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:26:38,287 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:38,287 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:26:38,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073208068] [2021-06-17 06:26:38,288 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073208068] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:38,288 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606091321] [2021-06-17 06:26:38,288 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 [2021-06-17 06:26:38,347 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-17 06:26:38,347 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:26:38,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-06-17 06:26:38,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:26:38,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:38,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:26:38,942 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:38,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:26:38,945 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:38,960 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-17 06:26:38,960 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:26:38,961 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:26:38,961 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-17 06:26:39,004 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:39,004 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606091321] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:39,004 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:26:39,004 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-06-17 06:26:39,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708156388] [2021-06-17 06:26:39,005 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-17 06:26:39,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:26:39,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-17 06:26:39,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-06-17 06:26:39,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:39,006 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:26:39,006 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) [2021-06-17 06:26:39,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:26:39,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:39,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:39,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:39,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:39,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:39,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:39,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:39,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:26:39,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:39,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:39,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:39,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:39,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:26:39,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:39,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:39,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:26:39,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:26:39,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:26:39,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:26:39,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:39,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:26:39,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:26:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:26:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:26:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:26:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:26:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:26:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:26:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:26:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:26:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:26:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-17 06:26:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:26:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:26:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-17 06:26:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:40,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:26:40,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:40,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:40,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:40,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:40,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:40,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:40,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:40,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-17 06:26:40,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:26:40,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:40,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:26:40,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-17 06:26:40,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:26:40,528 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable447 [2021-06-17 06:26:40,529 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:26:40,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:26:40,529 INFO L82 PathProgramCache]: Analyzing trace with hash 599188808, now seen corresponding path program 40 times [2021-06-17 06:26:40,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:26:40,529 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155196522] [2021-06-17 06:26:40,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:26:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:26:42,748 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:42,749 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:26:42,749 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155196522] [2021-06-17 06:26:42,749 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155196522] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:42,749 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964370922] [2021-06-17 06:26:42,749 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 [2021-06-17 06:26:42,805 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:26:42,805 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:26:42,808 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 173 conjunts are in the unsatisfiable core [2021-06-17 06:26:42,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:26:46,131 WARN L205 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2021-06-17 06:26:46,566 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-17 06:26:47,012 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-17 06:26:47,513 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-17 06:26:48,061 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-17 06:26:48,593 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-17 06:26:49,121 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-17 06:26:49,545 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-17 06:26:49,997 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-17 06:26:50,427 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-17 06:26:50,974 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-17 06:26:51,553 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-17 06:26:52,030 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-17 06:26:52,500 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-17 06:26:52,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,638 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:26:52,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:26:52,647 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 [2021-06-17 06:26:52,661 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:26:52,706 INFO L628 ElimStorePlain]: treesize reduction 375, result has 2.8 percent of original size [2021-06-17 06:26:52,706 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:26:52,706 INFO L518 ElimStorePlain]: Eliminatee v_prenex_163 vanished before elimination [2021-06-17 06:26:52,706 INFO L518 ElimStorePlain]: Eliminatee v_prenex_164 vanished before elimination [2021-06-17 06:26:52,707 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:26:52,707 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:536, output treesize:11 [2021-06-17 06:26:52,796 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:26:52,796 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964370922] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:26:52,796 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:26:52,796 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32] total 62 [2021-06-17 06:26:52,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952715295] [2021-06-17 06:26:52,797 INFO L462 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-06-17 06:26:52,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:26:52,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-06-17 06:26:52,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=3632, Unknown=0, NotChecked=0, Total=3782 [2021-06-17 06:26:52,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:26:52,798 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:26:52,798 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 62 states, 62 states have (on average 1.1774193548387097) internal successors, (73), 62 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:26:52,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:26:52,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:52,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:26:52,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:52,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:52,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:26:52,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:26:52,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:26:52,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:26:52,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:26:52,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-17 06:26:52,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:26:52,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:27:10,374 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2021-06-17 06:27:13,915 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 108 [2021-06-17 06:27:14,590 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 111 [2021-06-17 06:27:15,270 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 111 [2021-06-17 06:27:15,957 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 111 [2021-06-17 06:27:16,833 WARN L205 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 111 [2021-06-17 06:27:17,519 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 174 [2021-06-17 06:27:18,228 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 174 [2021-06-17 06:27:18,982 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 174 [2021-06-17 06:27:19,726 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 174 [2021-06-17 06:27:20,477 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 174 [2021-06-17 06:27:21,263 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 174 [2021-06-17 06:27:22,175 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 231 [2021-06-17 06:27:22,938 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 174 [2021-06-17 06:27:23,662 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 174 [2021-06-17 06:27:24,045 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2021-06-17 06:27:24,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:27:24,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:24,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:24,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:24,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:24,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:27:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:27:24,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-17 06:27:24,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:27:24,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:24,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:27:24,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-17 06:27:24,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:27:24,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-17 06:27:24,476 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable449,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:27:24,477 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:27:24,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:27:24,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1361724578, now seen corresponding path program 41 times [2021-06-17 06:27:24,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:27:24,477 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489600205] [2021-06-17 06:27:24,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:27:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:27:25,069 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:27:25,069 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:27:25,069 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489600205] [2021-06-17 06:27:25,069 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489600205] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:27:25,069 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438759000] [2021-06-17 06:27:25,069 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 [2021-06-17 06:27:25,131 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-17 06:27:25,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:27:25,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-06-17 06:27:25,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:27:25,828 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 8 treesize of output 6 [2021-06-17 06:27:25,829 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:25,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:25,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:27:25,832 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:25,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-17 06:27:25,835 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:25,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:27:25,838 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:25,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:25,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-17 06:27:25,842 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:25,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:27:25,845 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:25,871 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-06-17 06:27:25,871 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:27:25,872 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-17 06:27:25,872 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-17 06:27:25,927 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:27:25,928 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438759000] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:27:25,928 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:27:25,928 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-06-17 06:27:25,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706309672] [2021-06-17 06:27:25,928 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-06-17 06:27:25,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:27:25,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-06-17 06:27:25,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-06-17 06:27:25,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:27:25,929 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:27:25,929 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) [2021-06-17 06:27:25,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:27:25,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:25,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:25,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:25,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:25,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:25,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:25,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:25,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:27:25,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:27:25,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:25,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:27:25,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-17 06:27:25,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:27:25,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-17 06:27:25,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:27:28,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:27:28,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:28,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:28,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:28,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:27:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:27:28,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-17 06:27:28,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:27:28,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:28,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:27:28,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-17 06:27:28,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:27:28,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-17 06:27:28,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-06-17 06:27:28,894 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable493,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:27:28,895 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:27:28,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:27:28,895 INFO L82 PathProgramCache]: Analyzing trace with hash -886967406, now seen corresponding path program 42 times [2021-06-17 06:27:28,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:27:28,895 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000753496] [2021-06-17 06:27:28,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:27:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:27:29,564 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:27:29,564 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:27:29,564 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000753496] [2021-06-17 06:27:29,564 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000753496] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:27:29,564 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066747160] [2021-06-17 06:27:29,564 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 [2021-06-17 06:27:29,644 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-06-17 06:27:29,644 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:27:29,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-06-17 06:27:29,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:27:30,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:30,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:27:30,309 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:30,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:27:30,312 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:30,327 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-17 06:27:30,327 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:27:30,327 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:27:30,328 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-17 06:27:30,373 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:27:30,373 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066747160] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:27:30,373 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:27:30,373 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-06-17 06:27:30,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433997641] [2021-06-17 06:27:30,374 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-06-17 06:27:30,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:27:30,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-06-17 06:27:30,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-06-17 06:27:30,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:27:30,374 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:27:30,375 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) [2021-06-17 06:27:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:27:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:27:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:27:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:27:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:27:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:27:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:27:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:27:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:27:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:27:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:27:30,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:27:30,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:30,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:27:30,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:27:30,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:27:30,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:27:30,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:27:30,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:30,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:27:30,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:27:30,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:27:30,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-17 06:27:30,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:27:30,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:30,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:27:30,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-17 06:27:30,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:27:30,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-17 06:27:30,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-06-17 06:27:30,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:27:32,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:27:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:27:32,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:27:32,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:32,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:27:32,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:27:32,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:27:32,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-17 06:27:32,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:27:32,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:32,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:27:32,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-17 06:27:32,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:27:32,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-17 06:27:32,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-06-17 06:27:32,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:27:32,393 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable500 [2021-06-17 06:27:32,393 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:27:32,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:27:32,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1759445096, now seen corresponding path program 43 times [2021-06-17 06:27:32,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:27:32,393 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781459653] [2021-06-17 06:27:32,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:27:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:27:34,217 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:27:34,217 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:27:34,217 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781459653] [2021-06-17 06:27:34,217 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781459653] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:27:34,217 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091333064] [2021-06-17 06:27:34,217 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 [2021-06-17 06:27:34,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:27:34,274 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 185 conjunts are in the unsatisfiable core [2021-06-17 06:27:34,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:27:37,257 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-06-17 06:27:37,766 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-17 06:27:38,290 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-17 06:27:38,796 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-17 06:27:39,293 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-17 06:27:39,909 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-17 06:27:40,528 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-17 06:27:41,036 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-17 06:27:41,640 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-17 06:27:42,173 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-17 06:27:42,676 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-17 06:27:43,234 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-17 06:27:43,769 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-17 06:27:44,308 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-17 06:27:44,932 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-17 06:27:45,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,053 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:27:45,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:27:45,087 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 [2021-06-17 06:27:45,105 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:27:45,154 INFO L628 ElimStorePlain]: treesize reduction 397, result has 2.7 percent of original size [2021-06-17 06:27:45,154 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:27:45,154 INFO L518 ElimStorePlain]: Eliminatee v_prenex_178 vanished before elimination [2021-06-17 06:27:45,154 INFO L518 ElimStorePlain]: Eliminatee v_prenex_179 vanished before elimination [2021-06-17 06:27:45,155 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:27:45,155 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:569, output treesize:11 [2021-06-17 06:27:45,246 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:27:45,246 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091333064] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:27:45,246 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:27:45,246 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34] total 66 [2021-06-17 06:27:45,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816063566] [2021-06-17 06:27:45,247 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-06-17 06:27:45,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:27:45,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-06-17 06:27:45,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=4129, Unknown=0, NotChecked=0, Total=4290 [2021-06-17 06:27:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:27:45,248 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:27:45,248 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 1.1666666666666667) internal successors, (77), 66 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) [2021-06-17 06:27:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:27:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:27:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:27:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:27:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:27:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:27:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:27:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:27:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:27:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:27:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:27:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:27:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:27:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:27:45,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:27:45,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:27:45,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:27:45,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:27:45,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:27:45,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:27:45,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:27:45,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:27:45,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:27:45,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:27:45,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:27:45,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:27:45,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:27:45,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:27:45,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:27:45,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:27:45,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-17 06:27:45,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:27:45,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:27:45,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:27:45,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-17 06:27:45,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:27:45,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-17 06:27:45,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-06-17 06:27:45,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:27:45,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:28:03,812 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2021-06-17 06:28:07,321 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 105 [2021-06-17 06:28:08,063 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 170 [2021-06-17 06:28:08,862 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2021-06-17 06:28:09,672 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 175 [2021-06-17 06:28:10,494 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2021-06-17 06:28:11,336 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 175 [2021-06-17 06:28:12,121 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 175 [2021-06-17 06:28:12,938 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 175 [2021-06-17 06:28:13,762 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2021-06-17 06:28:14,661 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2021-06-17 06:28:15,537 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2021-06-17 06:28:16,416 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2021-06-17 06:28:17,209 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 175 [2021-06-17 06:28:18,032 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2021-06-17 06:28:18,898 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 175 [2021-06-17 06:28:19,340 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2021-06-17 06:28:19,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:28:19,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:28:19,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:28:19,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:19,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:19,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:19,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:19,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:28:19,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:28:19,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:19,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:19,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:28:19,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:19,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:28:19,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-06-17 06:28:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:28:19,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-06-17 06:28:19,729 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable502 [2021-06-17 06:28:19,730 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:28:19,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:28:19,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1258517586, now seen corresponding path program 44 times [2021-06-17 06:28:19,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:28:19,730 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701750414] [2021-06-17 06:28:19,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:28:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:28:20,398 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:28:20,399 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:28:20,399 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701750414] [2021-06-17 06:28:20,399 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701750414] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:28:20,399 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833346101] [2021-06-17 06:28:20,399 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 [2021-06-17 06:28:20,453 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:28:20,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:28:20,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-06-17 06:28:20,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:28:21,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:21,216 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 17 treesize of output 13 [2021-06-17 06:28:21,217 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:21,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:28:21,220 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:21,222 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:28:21,223 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:21,225 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-17 06:28:21,225 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:21,227 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:21,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 06:28:21,229 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:21,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-17 06:28:21,231 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:21,253 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-06-17 06:28:21,253 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:28:21,254 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-17 06:28:21,254 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-06-17 06:28:21,311 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:28:21,311 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833346101] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:28:21,311 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:28:21,311 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-06-17 06:28:21,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622153743] [2021-06-17 06:28:21,312 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-06-17 06:28:21,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:28:21,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-06-17 06:28:21,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-06-17 06:28:21,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:28:21,313 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:28:21,313 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) [2021-06-17 06:28:21,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:28:21,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:28:21,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:28:21,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:21,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:21,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:21,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:21,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:28:21,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:28:21,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:21,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:21,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:28:21,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:21,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:28:21,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:28:21,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:28:21,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:28:21,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:28:21,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:28:21,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:28:21,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:28:21,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:28:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:28:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:28:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:28:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:28:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:28:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:28:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:28:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:28:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:28:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:28:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:28:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:28:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-17 06:28:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:28:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:28:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:28:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-17 06:28:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:28:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-17 06:28:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-06-17 06:28:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:28:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-06-17 06:28:21,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:28:25,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:28:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:28:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:28:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:28:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:28:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:28:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:28:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:28:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:28:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:28:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:28:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:28:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:28:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:28:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:28:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:28:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:28:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:28:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:28:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:28:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:28:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:28:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:28:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:28:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:28:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:28:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:28:25,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-17 06:28:25,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:28:25,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:28:25,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:28:25,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-17 06:28:25,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:28:25,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-17 06:28:25,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-06-17 06:28:25,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:28:25,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-06-17 06:28:25,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-17 06:28:25,223 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable550 [2021-06-17 06:28:25,224 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:28:25,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:28:25,224 INFO L82 PathProgramCache]: Analyzing trace with hash 268542818, now seen corresponding path program 45 times [2021-06-17 06:28:25,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:28:25,224 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613203591] [2021-06-17 06:28:25,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:28:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:28:25,968 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:28:25,969 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:28:25,969 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613203591] [2021-06-17 06:28:25,969 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613203591] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:28:25,969 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614754967] [2021-06-17 06:28:25,969 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 [2021-06-17 06:28:26,035 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-06-17 06:28:26,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:28:26,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-06-17 06:28:26,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:28:26,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:26,822 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 [2021-06-17 06:28:26,823 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:26,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 06:28:26,825 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:26,841 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-17 06:28:26,841 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:28:26,841 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:28:26,841 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-17 06:28:26,890 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:28:26,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614754967] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:28:26,890 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:28:26,890 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-06-17 06:28:26,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58850320] [2021-06-17 06:28:26,890 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-06-17 06:28:26,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:28:26,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-06-17 06:28:26,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-06-17 06:28:26,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:28:26,891 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:28:26,891 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) [2021-06-17 06:28:26,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:28:26,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:28:26,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:28:26,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:28:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:28:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:28:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:28:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:28:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-17 06:28:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:28:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:28:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:28:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-17 06:28:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:28:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-17 06:28:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-06-17 06:28:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:28:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-06-17 06:28:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-17 06:28:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:28:28,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:28:28,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:28:28,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:28:28,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:28,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:28,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:28,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:28,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:28:28,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:28:28,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:28,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:28:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-17 06:28:28,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:28:28,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-17 06:28:28,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-06-17 06:28:28,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:28:28,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-06-17 06:28:28,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-17 06:28:28,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:28:28,981 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable557,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:28:28,981 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:28:28,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:28:28,981 INFO L82 PathProgramCache]: Analyzing trace with hash -298366520, now seen corresponding path program 46 times [2021-06-17 06:28:28,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:28:28,981 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290565823] [2021-06-17 06:28:28,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:28:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:28:31,245 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:28:31,245 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:28:31,245 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290565823] [2021-06-17 06:28:31,245 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290565823] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:28:31,245 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819475946] [2021-06-17 06:28:31,245 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 [2021-06-17 06:28:31,304 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:28:31,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:28:31,306 WARN L261 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 197 conjunts are in the unsatisfiable core [2021-06-17 06:28:31,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:28:33,619 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-06-17 06:28:34,850 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-06-17 06:28:35,404 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-17 06:28:36,011 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-17 06:28:36,689 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-17 06:28:37,335 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-17 06:28:37,975 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-17 06:28:38,602 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-17 06:28:39,185 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-17 06:28:39,853 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-17 06:28:40,416 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-17 06:28:40,982 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-17 06:28:41,644 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-17 06:28:42,322 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-17 06:28:43,037 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-17 06:28:43,660 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-17 06:28:44,282 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-17 06:28:44,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 06:28:44,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 06:28:44,448 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 [2021-06-17 06:28:44,463 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:28:44,508 INFO L628 ElimStorePlain]: treesize reduction 419, result has 2.6 percent of original size [2021-06-17 06:28:44,508 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 06:28:44,509 INFO L518 ElimStorePlain]: Eliminatee v_prenex_199 vanished before elimination [2021-06-17 06:28:44,509 INFO L518 ElimStorePlain]: Eliminatee v_prenex_200 vanished before elimination [2021-06-17 06:28:44,509 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:28:44,509 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:602, output treesize:11 [2021-06-17 06:28:44,610 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:28:44,611 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819475946] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:28:44,611 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:28:44,611 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36] total 70 [2021-06-17 06:28:44,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702756528] [2021-06-17 06:28:44,611 INFO L462 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-06-17 06:28:44,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:28:44,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-06-17 06:28:44,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=4659, Unknown=0, NotChecked=0, Total=4830 [2021-06-17 06:28:44,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:28:44,612 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:28:44,612 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 70 states, 70 states have (on average 1.1571428571428573) internal successors, (81), 70 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:28:44,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:28:44,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:28:44,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:28:44,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:44,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:44,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:28:44,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:28:44,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:28:44,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 06:28:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-17 06:28:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-17 06:28:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 06:28:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-17 06:28:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-06-17 06:28:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 06:28:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-06-17 06:28:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-17 06:28:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 06:28:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:29:17,776 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 101 [2021-06-17 06:29:23,777 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 176 [2021-06-17 06:29:24,551 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 179 [2021-06-17 06:29:25,622 WARN L205 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 185 [2021-06-17 06:29:26,663 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 250 [2021-06-17 06:29:27,716 WARN L205 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 250 [2021-06-17 06:29:28,777 WARN L205 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 185 [2021-06-17 06:29:29,833 WARN L205 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 250 [2021-06-17 06:29:30,932 WARN L205 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 185 [2021-06-17 06:29:32,000 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 185 [2021-06-17 06:29:33,017 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 185 [2021-06-17 06:29:34,041 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 250 [2021-06-17 06:29:34,992 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 250 [2021-06-17 06:29:35,484 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-06-17 06:29:35,685 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable559,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:29:35,686 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:159) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:111) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction.applyNewStateReduction(PersistentSetReduction.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:194) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:509) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 52 more [2021-06-17 06:29:35,690 INFO L168 Benchmark]: Toolchain (without parser) took 373903.96 ms. Allocated memory was 195.0 MB in the beginning and 488.6 MB in the end (delta: 293.6 MB). Free memory was 176.0 MB in the beginning and 263.4 MB in the end (delta: -87.4 MB). Peak memory consumption was 207.1 MB. Max. memory is 8.0 GB. [2021-06-17 06:29:35,690 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 195.0 MB. Free memory was 177.3 MB in the beginning and 177.2 MB in the end (delta: 106.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 06:29:35,690 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.81 ms. Allocated memory is still 195.0 MB. Free memory was 176.0 MB in the beginning and 174.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 06:29:35,690 INFO L168 Benchmark]: Boogie Preprocessor took 20.79 ms. Allocated memory is still 195.0 MB. Free memory was 174.5 MB in the beginning and 173.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 06:29:35,690 INFO L168 Benchmark]: RCFGBuilder took 239.79 ms. Allocated memory is still 195.0 MB. Free memory was 173.4 MB in the beginning and 156.4 MB in the end (delta: 17.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-06-17 06:29:35,690 INFO L168 Benchmark]: TraceAbstraction took 373613.49 ms. Allocated memory was 195.0 MB in the beginning and 488.6 MB in the end (delta: 293.6 MB). Free memory was 156.0 MB in the beginning and 263.4 MB in the end (delta: -107.4 MB). Peak memory consumption was 187.2 MB. Max. memory is 8.0 GB. [2021-06-17 06:29:35,691 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 195.0 MB. Free memory was 177.3 MB in the beginning and 177.2 MB in the end (delta: 106.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 23.81 ms. Allocated memory is still 195.0 MB. Free memory was 176.0 MB in the beginning and 174.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 20.79 ms. Allocated memory is still 195.0 MB. Free memory was 174.5 MB in the beginning and 173.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 239.79 ms. Allocated memory is still 195.0 MB. Free memory was 173.4 MB in the beginning and 156.4 MB in the end (delta: 17.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 373613.49 ms. Allocated memory was 195.0 MB in the beginning and 488.6 MB in the end (delta: 293.6 MB). Free memory was 156.0 MB in the beginning and 263.4 MB in the end (delta: -107.4 MB). Peak memory consumption was 187.2 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...