/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-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 13:57:47,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 13:57:47,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 13:57:47,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 13:57:47,227 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-Random42.epf [2021-07-10 13:57:47,273 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 13:57:47,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 13:57:47,274 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 13:57:47,274 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 13:57:47,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 13:57:47,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 13:57:47,277 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 13:57:47,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 13:57:47,277 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 13:57:47,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 13:57:47,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 13:57:47,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 13:57:47,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 13:57:47,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 13:57:47,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 13:57:47,279 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 13:57:47,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 13:57:47,279 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 13:57:47,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 13:57:47,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 13:57:47,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 13:57:47,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 13:57:47,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 13:57:47,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 13:57:47,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 13:57:47,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 13:57:47,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 13:57:47,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 13:57:47,280 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-10 13:57:47,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 13:57:47,281 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 13:57:47,281 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 13:57:47,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 13:57:47,281 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 13:57:47,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-10 13:57:47,281 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 13:57:47,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 13:57:47,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 13:57:47,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 13:57:47,603 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 13:57:47,609 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 13:57:47,610 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl [2021-07-10 13:57:47,611 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl' [2021-07-10 13:57:47,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 13:57:47,648 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 13:57:47,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 13:57:47,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 13:57:47,650 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 13:57:47,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:57:47" (1/1) ... [2021-07-10 13:57:47,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:57:47" (1/1) ... [2021-07-10 13:57:47,678 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 13:57:47,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 13:57:47,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 13:57:47,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 13:57:47,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:57:47" (1/1) ... [2021-07-10 13:57:47,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:57:47" (1/1) ... [2021-07-10 13:57:47,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:57:47" (1/1) ... [2021-07-10 13:57:47,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:57:47" (1/1) ... [2021-07-10 13:57:47,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:57:47" (1/1) ... [2021-07-10 13:57:47,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:57:47" (1/1) ... [2021-07-10 13:57:47,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:57:47" (1/1) ... [2021-07-10 13:57:47,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 13:57:47,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 13:57:47,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 13:57:47,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 13:57:47,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:57:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 13:57:47,771 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 13:57:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 13:57:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 13:57:47,771 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 13:57:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 13:57:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 13:57:47,772 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 13:57:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 13:57:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 13:57:47,774 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 13:57:47,993 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 13:57:47,993 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 13:57:47,994 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 13:57:47,994 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-10 13:57:47,995 INFO L202 PluginConnector]: Adding new model array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:57:47 BoogieIcfgContainer [2021-07-10 13:57:47,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 13:57:47,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 13:57:47,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 13:57:48,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 13:57:48,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:57:47" (1/2) ... [2021-07-10 13:57:48,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d593fbf and model type array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 01:57:48, skipping insertion in model container [2021-07-10 13:57:48,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:57:47" (2/2) ... [2021-07-10 13:57:48,002 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-symm.wvr.bpl [2021-07-10 13:57:48,023 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 13:57:48,024 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 13:57:48,024 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 13:57:48,025 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 13:57:48,080 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 13:57:48,116 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 13:57:48,208 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 13:57:48,208 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 13:57:48,209 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 13:57:48,209 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 13:57:48,209 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 13:57:48,209 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 13:57:48,209 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 13:57:48,209 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 13:57:48,250 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:57:48,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:57:48,255 INFO L82 PathProgramCache]: Analyzing trace with hash -1265522778, now seen corresponding path program 1 times [2021-07-10 13:57:48,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:57:48,264 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970876945] [2021-07-10 13:57:48,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:57:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:57:48,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:57:48,505 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:57:48,505 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970876945] [2021-07-10 13:57:48,506 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970876945] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 13:57:48,506 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 13:57:48,506 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 13:57:48,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484893846] [2021-07-10 13:57:48,510 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 13:57:48,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:57:48,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 13:57:48,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 13:57:48,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:57:48,528 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:57:48,530 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:57:48,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:57:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:57:48,582 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 13:57:48,583 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:57:48,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:57:48,586 INFO L82 PathProgramCache]: Analyzing trace with hash -797509666, now seen corresponding path program 1 times [2021-07-10 13:57:48,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:57:48,587 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929356498] [2021-07-10 13:57:48,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:57:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:57:48,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:57:48,671 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:57:48,672 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929356498] [2021-07-10 13:57:48,672 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929356498] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:57:48,672 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943380860] [2021-07-10 13:57:48,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:57:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:57:48,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-10 13:57:48,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:57:48,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:57:48,879 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943380860] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:57:48,879 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:57:48,879 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-10 13:57:48,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496330595] [2021-07-10 13:57:48,880 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 13:57:48,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:57:48,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 13:57:48,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 13:57:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:57:48,882 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:57:48,882 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:57:48,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:57:48,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:57:48,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:57:48,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:57:49,147 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:57:49,147 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:57:49,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:57:49,148 INFO L82 PathProgramCache]: Analyzing trace with hash 879685344, now seen corresponding path program 1 times [2021-07-10 13:57:49,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:57:49,148 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426388168] [2021-07-10 13:57:49,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:57:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:57:49,765 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:57:49,765 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:57:49,765 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426388168] [2021-07-10 13:57:49,765 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426388168] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:57:49,766 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382230488] [2021-07-10 13:57:49,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:57:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:57:49,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 13:57:49,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:57:50,197 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:57:50,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:57:50,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 13:57:50,208 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:57:50,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:57:50,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-10 13:57:50,221 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 13:57:50,265 INFO L628 ElimStorePlain]: treesize reduction 62, result has 44.1 percent of original size [2021-07-10 13:57:50,265 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:57:50,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:57:50,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-10 13:57:50,277 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 13:57:50,291 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:57:50,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:57:50,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-07-10 13:57:50,299 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 13:57:50,317 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:57:50,320 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 13:57:50,320 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:125, output treesize:22 [2021-07-10 13:57:50,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:57:50,364 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382230488] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:57:50,365 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:57:50,365 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 11 [2021-07-10 13:57:50,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675382219] [2021-07-10 13:57:50,365 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 13:57:50,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:57:50,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 13:57:50,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-07-10 13:57:50,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:57:50,367 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:57:50,367 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:57:50,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:57:50,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:57:50,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:57:50,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:57:50,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:57:50,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:57:50,750 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:57:50,750 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:57:50,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:57:50,751 INFO L82 PathProgramCache]: Analyzing trace with hash -331280104, now seen corresponding path program 2 times [2021-07-10 13:57:50,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:57:50,751 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930694137] [2021-07-10 13:57:50,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:57:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:57:50,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:57:50,894 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:57:50,894 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930694137] [2021-07-10 13:57:50,895 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930694137] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:57:50,895 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444518244] [2021-07-10 13:57:50,895 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:57:50,978 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 13:57:50,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:57:50,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-10 13:57:50,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:57:51,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:57:51,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 13:57:51,110 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:57:51,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 13:57:51,115 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 13:57:51,135 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 13:57:51,135 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:57:51,136 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:57:51,136 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 13:57:51,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:57:51,163 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444518244] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:57:51,164 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:57:51,164 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-10 13:57:51,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991851675] [2021-07-10 13:57:51,164 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 13:57:51,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:57:51,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 13:57:51,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-10 13:57:51,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:57:51,165 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:57:51,165 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:57:51,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:57:51,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:57:51,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:57:51,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:57:51,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:57:51,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:57:51,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:57:51,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:57:51,484 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:57:51,485 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:57:51,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:57:51,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1847067418, now seen corresponding path program 3 times [2021-07-10 13:57:51,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:57:51,486 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136474749] [2021-07-10 13:57:51,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:57:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:57:51,863 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2021-07-10 13:57:52,055 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 58 [2021-07-10 13:57:52,294 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2021-07-10 13:57:52,449 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2021-07-10 13:57:52,550 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:57:52,550 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:57:52,550 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136474749] [2021-07-10 13:57:52,550 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136474749] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:57:52,550 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015996411] [2021-07-10 13:57:52,551 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:57:52,596 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-10 13:57:52,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:57:52,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-10 13:57:52,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:57:53,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:57:53,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:57:53,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-07-10 13:57:53,058 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:57:53,078 INFO L628 ElimStorePlain]: treesize reduction 107, result has 9.3 percent of original size [2021-07-10 13:57:53,079 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 13:57:53,079 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:57:53,079 INFO L518 ElimStorePlain]: Eliminatee v_prenex_7 vanished before elimination [2021-07-10 13:57:53,079 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:57:53,080 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:140, output treesize:11 [2021-07-10 13:57:53,130 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:57:53,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015996411] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:57:53,130 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:57:53,130 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 15 [2021-07-10 13:57:53,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118884288] [2021-07-10 13:57:53,132 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-10 13:57:53,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:57:53,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-10 13:57:53,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2021-07-10 13:57:53,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:57:53,142 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:57:53,142 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:57:53,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:57:53,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:57:53,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:57:53,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:57:53,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:57:53,654 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 61 [2021-07-10 13:57:53,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:57:53,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:57:53,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:57:53,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:57:53,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:57:53,916 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-10 13:57:53,917 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:57:53,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:57:53,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1648725730, now seen corresponding path program 4 times [2021-07-10 13:57:53,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:57:53,917 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453239655] [2021-07-10 13:57:53,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:57:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:57:54,042 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:57:54,046 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:57:54,046 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453239655] [2021-07-10 13:57:54,046 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453239655] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:57:54,046 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643644172] [2021-07-10 13:57:54,046 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:57:54,085 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 13:57:54,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:57:54,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-10 13:57:54,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:57:54,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:57:54,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 13:57:54,196 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:57:54,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 13:57:54,200 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 13:57:54,231 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 13:57:54,231 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:57:54,232 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:57:54,232 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 13:57:54,258 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:57:54,264 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643644172] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:57:54,264 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:57:54,264 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-07-10 13:57:54,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135866256] [2021-07-10 13:57:54,265 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 13:57:54,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:57:54,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 13:57:54,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-10 13:57:54,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:57:54,266 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:57:54,266 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:57:54,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:57:54,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:57:54,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:57:54,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:57:54,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:57:54,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:57:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:57:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:57:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:57:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:57:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:57:54,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:57:54,601 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-07-10 13:57:54,601 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:57:54,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:57:54,601 INFO L82 PathProgramCache]: Analyzing trace with hash 261791136, now seen corresponding path program 5 times [2021-07-10 13:57:54,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:57:54,602 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282801729] [2021-07-10 13:57:54,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:57:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:57:55,211 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:57:55,211 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:57:55,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282801729] [2021-07-10 13:57:55,212 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282801729] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:57:55,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240379874] [2021-07-10 13:57:55,212 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:57:55,247 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-10 13:57:55,248 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:57:55,249 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-10 13:57:55,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:57:55,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:57:55,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:57:55,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:57:55,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:57:55,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:57:55,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:57:55,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-07-10 13:57:55,933 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:57:55,963 INFO L628 ElimStorePlain]: treesize reduction 129, result has 7.9 percent of original size [2021-07-10 13:57:55,964 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:57:55,964 INFO L518 ElimStorePlain]: Eliminatee v_prenex_13 vanished before elimination [2021-07-10 13:57:55,964 INFO L518 ElimStorePlain]: Eliminatee v_prenex_12 vanished before elimination [2021-07-10 13:57:55,965 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:57:55,965 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:173, output treesize:11 [2021-07-10 13:57:56,008 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:57:56,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240379874] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:57:56,008 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:57:56,009 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-07-10 13:57:56,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880144301] [2021-07-10 13:57:56,009 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-10 13:57:56,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:57:56,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-10 13:57:56,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-07-10 13:57:56,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:57:56,010 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:57:56,010 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 18 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:57:56,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:57:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:57:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:57:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:57:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:57:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:57:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:57:56,486 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 51 [2021-07-10 13:57:56,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:57:56,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:57:56,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:57:56,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:57:56,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:57:56,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:57:56,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:57:56,832 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:57:56,833 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:57:56,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:57:56,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1889592280, now seen corresponding path program 6 times [2021-07-10 13:57:56,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:57:56,834 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692374116] [2021-07-10 13:57:56,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:57:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:57:56,973 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:57:56,976 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:57:56,976 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692374116] [2021-07-10 13:57:56,976 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692374116] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:57:56,976 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388516273] [2021-07-10 13:57:56,976 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:57:57,018 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-10 13:57:57,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:57:57,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 13:57:57,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:57:57,168 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:57:57,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 13:57:57,169 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:57:57,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 13:57:57,173 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 13:57:57,192 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 13:57:57,192 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:57:57,193 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:57:57,193 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 13:57:57,220 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:57:57,220 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388516273] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:57:57,220 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:57:57,221 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-07-10 13:57:57,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528903766] [2021-07-10 13:57:57,222 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 13:57:57,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:57:57,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 13:57:57,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-10 13:57:57,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:57:57,224 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:57:57,224 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.625) internal successors, (26), 16 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:57:57,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:57:57,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:57:57,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:57:57,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:57:57,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:57:57,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:57:57,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:57:57,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:57:57,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:57:57,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:57:57,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:57:57,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:57:57,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:57:57,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:57:57,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:57:57,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:57:57,593 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-07-10 13:57:57,594 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:57:57,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:57:57,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1719500250, now seen corresponding path program 7 times [2021-07-10 13:57:57,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:57:57,594 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932488227] [2021-07-10 13:57:57,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:57:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:57:57,957 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:57:57,958 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:57:57,958 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932488227] [2021-07-10 13:57:57,958 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932488227] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:57:57,958 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043318739] [2021-07-10 13:57:57,958 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:57:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:57:57,993 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 53 conjunts are in the unsatisfiable core [2021-07-10 13:57:57,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:57:58,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:57:58,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:57:58,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:57:58,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:57:58,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:57:58,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:57:58,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:57:58,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:57:58,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:57:58,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:57:58,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:57:58,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-07-10 13:57:58,988 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:57:58,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:57:58,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:57:58,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:57:58,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:57:58,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:57:59,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:57:59,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:57:59,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:57:59,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:57:59,004 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:57:59,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-07-10 13:57:59,007 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 13:57:59,023 INFO L628 ElimStorePlain]: treesize reduction 106, result has 9.4 percent of original size [2021-07-10 13:57:59,023 INFO L518 ElimStorePlain]: Eliminatee v_prenex_19 vanished before elimination [2021-07-10 13:57:59,023 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:57:59,023 INFO L518 ElimStorePlain]: Eliminatee v_prenex_20 vanished before elimination [2021-07-10 13:57:59,024 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:57:59,024 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:206, output treesize:11 [2021-07-10 13:57:59,036 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:57:59,036 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043318739] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:57:59,036 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:57:59,036 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 21 [2021-07-10 13:57:59,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196641888] [2021-07-10 13:57:59,039 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-10 13:57:59,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:57:59,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-10 13:57:59,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=373, Unknown=0, NotChecked=0, Total=420 [2021-07-10 13:57:59,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:57:59,040 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:57:59,040 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:57:59,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:57:59,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:57:59,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:57:59,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:57:59,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:57:59,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:57:59,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:57:59,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:57:59,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:57:59,585 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 49 [2021-07-10 13:57:59,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:57:59,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:57:59,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:57:59,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:57:59,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:57:59,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:57:59,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:57:59,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:57:59,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:57:59,827 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-07-10 13:57:59,827 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:57:59,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:57:59,828 INFO L82 PathProgramCache]: Analyzing trace with hash -770696610, now seen corresponding path program 8 times [2021-07-10 13:57:59,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:57:59,828 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923184929] [2021-07-10 13:57:59,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:57:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:57:59,991 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:57:59,992 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:57:59,992 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923184929] [2021-07-10 13:57:59,992 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923184929] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:57:59,992 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996291343] [2021-07-10 13:57:59,992 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:58:00,074 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 13:58:00,074 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:58:00,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-10 13:58:00,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:58:00,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:00,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 13:58:00,248 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:00,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 13:58:00,253 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:00,273 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 13:58:00,273 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:58:00,274 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:58:00,274 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 13:58:00,300 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:00,300 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996291343] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:00,300 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:58:00,301 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-07-10 13:58:00,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553897697] [2021-07-10 13:58:00,301 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 13:58:00,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:58:00,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 13:58:00,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-10 13:58:00,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:00,302 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:58:00,302 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 19 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:58:00,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:00,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:00,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:00,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:00,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:00,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:00,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:00,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:00,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:00,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:00,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:00,705 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:58:00,706 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:58:00,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:58:00,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1710890080, now seen corresponding path program 9 times [2021-07-10 13:58:00,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:58:00,706 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981914606] [2021-07-10 13:58:00,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:58:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:58:01,421 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:01,421 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:58:01,421 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981914606] [2021-07-10 13:58:01,421 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981914606] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:01,421 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158361151] [2021-07-10 13:58:01,421 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:58:01,468 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-10 13:58:01,468 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:58:01,470 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 69 conjunts are in the unsatisfiable core [2021-07-10 13:58:01,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:58:02,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:02,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:02,883 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:02,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:02,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:02,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:02,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:02,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:02,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:02,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:02,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:02,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:02,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-07-10 13:58:02,904 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:02,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:02,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:02,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:02,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:02,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:02,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:02,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:02,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:02,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:02,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:02,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:02,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 49 [2021-07-10 13:58:02,920 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:02,937 INFO L628 ElimStorePlain]: treesize reduction 117, result has 8.6 percent of original size [2021-07-10 13:58:02,937 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:58:02,937 INFO L518 ElimStorePlain]: Eliminatee v_prenex_29 vanished before elimination [2021-07-10 13:58:02,937 INFO L518 ElimStorePlain]: Eliminatee v_prenex_28 vanished before elimination [2021-07-10 13:58:02,938 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:58:02,938 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:239, output treesize:11 [2021-07-10 13:58:02,985 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:02,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158361151] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:02,986 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:58:02,986 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2021-07-10 13:58:02,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169635607] [2021-07-10 13:58:02,987 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-10 13:58:02,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:58:02,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-10 13:58:02,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2021-07-10 13:58:02,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:02,988 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:58:02,989 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:58:02,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:02,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:02,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:02,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:02,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:02,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:02,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:02,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:02,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:02,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:02,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:03,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:03,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:03,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:03,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:03,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:03,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:03,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:03,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:03,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:03,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:03,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:03,757 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2021-07-10 13:58:03,757 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:58:03,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:58:03,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1316845928, now seen corresponding path program 10 times [2021-07-10 13:58:03,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:58:03,758 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70496354] [2021-07-10 13:58:03,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:58:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:58:03,951 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:03,951 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:58:03,951 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70496354] [2021-07-10 13:58:03,952 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70496354] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:03,952 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981417167] [2021-07-10 13:58:03,952 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:58:03,988 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 13:58:03,988 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:58:03,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-10 13:58:03,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:58:04,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:04,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 13:58:04,182 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:04,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 13:58:04,185 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:04,200 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 13:58:04,200 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:58:04,212 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:58:04,212 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 13:58:04,240 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:04,240 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981417167] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:04,241 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:58:04,241 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-07-10 13:58:04,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285603682] [2021-07-10 13:58:04,241 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-10 13:58:04,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:58:04,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-10 13:58:04,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-10 13:58:04,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:04,242 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:58:04,242 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 22 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:58:04,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:04,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:04,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:04,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:04,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:04,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:04,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:04,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:04,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:04,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:04,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:04,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:04,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:04,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:04,776 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:58:04,777 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:58:04,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:58:04,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1960130406, now seen corresponding path program 11 times [2021-07-10 13:58:04,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:58:04,777 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903767731] [2021-07-10 13:58:04,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:58:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:58:05,683 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:05,683 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:58:05,683 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903767731] [2021-07-10 13:58:05,683 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903767731] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:05,683 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822880005] [2021-07-10 13:58:05,683 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:58:05,728 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 13:58:05,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:58:05,729 WARN L261 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 77 conjunts are in the unsatisfiable core [2021-07-10 13:58:05,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:58:07,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:07,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:07,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-07-10 13:58:07,369 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:07,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,375 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:07,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 56 [2021-07-10 13:58:07,390 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:07,457 INFO L628 ElimStorePlain]: treesize reduction 117, result has 47.3 percent of original size [2021-07-10 13:58:07,461 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:07,461 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 21 treesize of output 13 [2021-07-10 13:58:07,462 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:07,481 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:58:07,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:07,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 41 [2021-07-10 13:58:07,496 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:07,510 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:58:07,510 INFO L518 ElimStorePlain]: Eliminatee v_prenex_37 vanished before elimination [2021-07-10 13:58:07,512 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 13:58:07,512 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:345, output treesize:22 [2021-07-10 13:58:07,575 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:07,575 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822880005] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:07,575 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:58:07,575 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16] total 31 [2021-07-10 13:58:07,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094382653] [2021-07-10 13:58:07,576 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 13:58:07,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:58:07,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 13:58:07,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=863, Unknown=0, NotChecked=0, Total=930 [2021-07-10 13:58:07,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:07,577 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:58:07,577 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 31 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:58:07,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:07,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:07,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:07,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:07,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:07,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:07,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:07,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:07,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:07,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:07,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:07,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:07,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:08,213 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2021-07-10 13:58:08,475 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 98 [2021-07-10 13:58:08,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:08,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:08,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:08,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:08,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:08,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:08,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:08,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:08,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:08,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:08,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:08,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:08,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:08,770 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable92 [2021-07-10 13:58:08,771 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:58:08,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:58:08,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1313890, now seen corresponding path program 12 times [2021-07-10 13:58:08,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:58:08,771 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485653070] [2021-07-10 13:58:08,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:58:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:58:09,010 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:09,010 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:58:09,010 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485653070] [2021-07-10 13:58:09,010 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485653070] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:09,010 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [303440949] [2021-07-10 13:58:09,010 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:58:09,060 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-10 13:58:09,060 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:58:09,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-10 13:58:09,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:58:09,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:09,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 13:58:09,313 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:09,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 13:58:09,316 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:09,331 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 13:58:09,332 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:58:09,332 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:58:09,332 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 13:58:09,361 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:09,361 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [303440949] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:09,361 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:58:09,361 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-07-10 13:58:09,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940983320] [2021-07-10 13:58:09,361 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 13:58:09,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:58:09,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 13:58:09,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-10 13:58:09,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:09,362 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:58:09,363 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.4) internal successors, (35), 25 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:58:09,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:09,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:09,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:09,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:09,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:09,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:09,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:09,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:09,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:09,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:09,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:09,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:09,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:09,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:09,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:09,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:09,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:09,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:09,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:09,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:09,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:09,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:09,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:09,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:09,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:09,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:09,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:09,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:58:09,968 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:58:09,969 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:58:09,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:58:09,969 INFO L82 PathProgramCache]: Analyzing trace with hash -208049376, now seen corresponding path program 13 times [2021-07-10 13:58:09,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:58:09,969 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592391427] [2021-07-10 13:58:09,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:58:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:58:10,725 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:10,725 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:58:10,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592391427] [2021-07-10 13:58:10,725 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592391427] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:10,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968348913] [2021-07-10 13:58:10,725 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:58:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:58:10,771 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 89 conjunts are in the unsatisfiable core [2021-07-10 13:58:10,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:58:11,707 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 90 [2021-07-10 13:58:12,190 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 90 [2021-07-10 13:58:12,446 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2021-07-10 13:58:12,730 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 90 [2021-07-10 13:58:13,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:13,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:13,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 61 [2021-07-10 13:58:13,078 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:13,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:13,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:13,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 63 [2021-07-10 13:58:13,105 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:13,125 INFO L628 ElimStorePlain]: treesize reduction 139, result has 7.3 percent of original size [2021-07-10 13:58:13,125 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:58:13,125 INFO L518 ElimStorePlain]: Eliminatee v_prenex_49 vanished before elimination [2021-07-10 13:58:13,125 INFO L518 ElimStorePlain]: Eliminatee v_prenex_48 vanished before elimination [2021-07-10 13:58:13,126 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:58:13,126 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:305, output treesize:11 [2021-07-10 13:58:13,135 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:13,135 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968348913] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:13,135 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:58:13,135 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 33 [2021-07-10 13:58:13,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054193268] [2021-07-10 13:58:13,135 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-10 13:58:13,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:58:13,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-10 13:58:13,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=979, Unknown=0, NotChecked=0, Total=1056 [2021-07-10 13:58:13,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:13,136 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:58:13,137 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:58:13,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:13,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:13,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:13,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:13,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:13,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:13,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:13,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:13,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:13,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:13,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:13,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:13,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:13,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:58:13,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:14,487 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 100 [2021-07-10 13:58:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:14,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:14,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:58:14,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:58:14,790 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:58:14,791 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:58:14,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:58:14,791 INFO L82 PathProgramCache]: Analyzing trace with hash 334625112, now seen corresponding path program 14 times [2021-07-10 13:58:14,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:58:14,791 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112276166] [2021-07-10 13:58:14,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:58:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:58:15,034 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:15,034 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:58:15,034 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112276166] [2021-07-10 13:58:15,035 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112276166] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:15,035 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896440534] [2021-07-10 13:58:15,035 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:58:15,094 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 13:58:15,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:58:15,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-10 13:58:15,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:58:15,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:15,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 13:58:15,369 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:15,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 13:58:15,372 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:15,387 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 13:58:15,387 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:58:15,387 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:58:15,387 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 13:58:15,416 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:15,416 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [896440534] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:15,416 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:58:15,416 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-07-10 13:58:15,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900542510] [2021-07-10 13:58:15,417 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-10 13:58:15,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:58:15,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-10 13:58:15,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-07-10 13:58:15,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:15,418 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:58:15,418 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 28 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:58:15,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:15,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:15,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:15,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:15,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:15,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:15,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:15,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:15,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:15,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:15,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:15,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:15,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:15,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:58:15,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:58:15,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:15,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:15,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:15,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:15,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:15,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:15,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:15,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:15,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:15,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:15,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:15,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:15,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:15,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:15,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:58:15,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:58:15,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:58:16,071 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable146 [2021-07-10 13:58:16,072 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:58:16,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:58:16,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1616125094, now seen corresponding path program 15 times [2021-07-10 13:58:16,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:58:16,072 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529251077] [2021-07-10 13:58:16,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:58:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:58:16,955 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:16,955 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:58:16,955 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529251077] [2021-07-10 13:58:16,955 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529251077] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:16,955 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071937906] [2021-07-10 13:58:16,955 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:58:17,004 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 13:58:17,004 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:58:17,006 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2021-07-10 13:58:17,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:58:18,143 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-10 13:58:18,441 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-10 13:58:18,787 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-10 13:58:19,020 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-10 13:58:19,282 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-10 13:58:19,525 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-10 13:58:19,782 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-10 13:58:19,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:19,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:19,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-07-10 13:58:19,896 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:19,921 INFO L628 ElimStorePlain]: treesize reduction 243, result has 4.3 percent of original size [2021-07-10 13:58:19,922 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 13:58:19,922 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:58:19,922 INFO L518 ElimStorePlain]: Eliminatee v_prenex_62 vanished before elimination [2021-07-10 13:58:19,922 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:58:19,922 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:338, output treesize:11 [2021-07-10 13:58:19,972 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:19,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071937906] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:19,973 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:58:19,973 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 38 [2021-07-10 13:58:19,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749716856] [2021-07-10 13:58:19,973 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-10 13:58:19,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:58:19,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-10 13:58:19,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=1316, Unknown=0, NotChecked=0, Total=1406 [2021-07-10 13:58:19,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:19,974 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:58:19,975 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:58:19,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:19,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:19,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:19,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:19,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:19,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:19,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:19,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:19,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:19,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:19,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:19,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:19,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:19,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:58:19,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:58:19,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:58:19,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:21,392 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 112 [2021-07-10 13:58:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:58:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:58:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:58:21,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:58:21,669 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable148 [2021-07-10 13:58:21,669 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:58:21,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:58:21,670 INFO L82 PathProgramCache]: Analyzing trace with hash -859702050, now seen corresponding path program 16 times [2021-07-10 13:58:21,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:58:21,670 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959659107] [2021-07-10 13:58:21,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:58:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:58:21,975 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:21,975 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:58:21,975 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959659107] [2021-07-10 13:58:21,975 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959659107] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:21,975 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311611489] [2021-07-10 13:58:21,975 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:58:22,018 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 13:58:22,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:58:22,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-10 13:58:22,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:58:22,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:22,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 13:58:22,319 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:22,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 13:58:22,322 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:22,342 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 13:58:22,342 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:58:22,343 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:58:22,343 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 13:58:22,375 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:22,375 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311611489] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:22,375 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:58:22,375 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-07-10 13:58:22,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481774173] [2021-07-10 13:58:22,376 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 13:58:22,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:58:22,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 13:58:22,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-07-10 13:58:22,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:22,376 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:58:22,376 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) [2021-07-10 13:58:22,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:58:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:58:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:58:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:58:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:22,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:22,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:22,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:22,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:22,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:22,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:22,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:22,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:22,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:22,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:22,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:22,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:22,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:22,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:58:22,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:58:22,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:58:22,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:58:22,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:58:23,072 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:58:23,073 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:58:23,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:58:23,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1048278560, now seen corresponding path program 17 times [2021-07-10 13:58:23,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:58:23,073 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256919554] [2021-07-10 13:58:23,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:58:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:58:24,272 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:24,272 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:58:24,272 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256919554] [2021-07-10 13:58:24,272 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256919554] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:24,273 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197697198] [2021-07-10 13:58:24,273 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:58:24,317 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 13:58:24,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:58:24,318 WARN L261 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 113 conjunts are in the unsatisfiable core [2021-07-10 13:58:24,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:58:25,466 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 13:58:25,744 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 13:58:25,992 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-10 13:58:26,273 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 13:58:26,561 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 13:58:26,822 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-10 13:58:27,074 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-10 13:58:27,362 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 13:58:27,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:27,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:27,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 75 [2021-07-10 13:58:27,535 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:27,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:27,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:27,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 77 [2021-07-10 13:58:27,579 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:27,596 INFO L628 ElimStorePlain]: treesize reduction 161, result has 6.4 percent of original size [2021-07-10 13:58:27,596 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:58:27,596 INFO L518 ElimStorePlain]: Eliminatee v_prenex_75 vanished before elimination [2021-07-10 13:58:27,596 INFO L518 ElimStorePlain]: Eliminatee v_prenex_74 vanished before elimination [2021-07-10 13:58:27,596 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:58:27,597 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:371, output treesize:11 [2021-07-10 13:58:27,652 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:27,652 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197697198] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:27,652 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:58:27,652 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 42 [2021-07-10 13:58:27,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092596583] [2021-07-10 13:58:27,653 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-10 13:58:27,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:58:27,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-10 13:58:27,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1622, Unknown=0, NotChecked=0, Total=1722 [2021-07-10 13:58:27,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:27,654 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:58:27,654 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 42 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:58:27,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:27,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:27,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:27,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:27,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:27,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:27,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:27,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:27,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:27,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:27,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:27,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:27,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:27,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:58:27,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:58:27,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:58:27,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:58:27,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:58:27,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:29,622 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 120 [2021-07-10 13:58:29,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:58:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:58:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:58:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:58:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:58:29,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 13:58:29,933 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable177 [2021-07-10 13:58:29,934 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:58:29,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:58:29,934 INFO L82 PathProgramCache]: Analyzing trace with hash -906281960, now seen corresponding path program 18 times [2021-07-10 13:58:29,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:58:29,934 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538682515] [2021-07-10 13:58:29,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:58:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:58:30,323 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:30,324 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:58:30,324 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538682515] [2021-07-10 13:58:30,324 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538682515] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:30,324 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308884700] [2021-07-10 13:58:30,324 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:58:30,395 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-10 13:58:30,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:58:30,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-10 13:58:30,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:58:30,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:30,742 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 15 treesize of output 11 [2021-07-10 13:58:30,743 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:30,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 13:58:30,746 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:30,761 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 13:58:30,761 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:58:30,761 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:58:30,762 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 13:58:30,795 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:30,796 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308884700] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:30,796 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:58:30,796 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-07-10 13:58:30,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140310959] [2021-07-10 13:58:30,796 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-10 13:58:30,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:58:30,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-10 13:58:30,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-07-10 13:58:30,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:30,798 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:58:30,798 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 34 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:58:30,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:30,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:30,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:30,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:30,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:30,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:30,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:30,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:30,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:30,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:30,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:30,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:30,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:30,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:58:30,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:58:30,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:58:30,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:58:30,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:58:30,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 13:58:30,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:31,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:58:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:58:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:58:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:58:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:58:31,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 13:58:31,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 13:58:31,565 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable207 [2021-07-10 13:58:31,565 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:58:31,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:58:31,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1802711526, now seen corresponding path program 19 times [2021-07-10 13:58:31,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:58:31,566 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553234898] [2021-07-10 13:58:31,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:58:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:58:33,101 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:33,102 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:58:33,102 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553234898] [2021-07-10 13:58:33,102 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553234898] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:33,102 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889878451] [2021-07-10 13:58:33,102 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:58:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:58:33,153 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 125 conjunts are in the unsatisfiable core [2021-07-10 13:58:33,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:58:34,537 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-10 13:58:34,839 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-10 13:58:35,172 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-10 13:58:35,468 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-10 13:58:35,775 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-10 13:58:36,098 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-10 13:58:36,458 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-10 13:58:36,771 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-10 13:58:37,123 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-10 13:58:37,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:37,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:37,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 74 [2021-07-10 13:58:37,288 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:37,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:37,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 82 [2021-07-10 13:58:37,346 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:37,430 INFO L628 ElimStorePlain]: treesize reduction 161, result has 47.9 percent of original size [2021-07-10 13:58:37,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:37,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:37,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 84 [2021-07-10 13:58:37,470 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:37,481 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:58:37,481 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:58:37,483 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:37,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-07-10 13:58:37,485 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:37,494 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 13:58:37,496 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 13:58:37,496 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:521, output treesize:22 [2021-07-10 13:58:37,581 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:37,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889878451] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:37,581 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:58:37,581 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24] total 47 [2021-07-10 13:58:37,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163521277] [2021-07-10 13:58:37,582 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-10 13:58:37,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:58:37,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-10 13:58:37,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=2059, Unknown=0, NotChecked=0, Total=2162 [2021-07-10 13:58:37,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:37,583 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:58:37,583 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 47 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:58:37,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:37,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:37,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:37,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:37,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:37,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:37,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:37,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:37,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:37,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:37,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:37,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:37,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:37,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:58:37,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:58:37,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:58:37,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:58:37,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:58:37,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 13:58:37,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 13:58:37,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:38,912 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2021-07-10 13:58:39,340 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 134 [2021-07-10 13:58:39,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:39,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:39,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:39,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:39,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:39,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:39,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:39,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:39,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:39,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:39,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:39,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:39,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:39,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:58:39,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:58:39,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:58:39,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:58:39,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:58:39,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 13:58:39,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 13:58:39,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:39,697 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:58:39,697 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:58:39,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:58:39,698 INFO L82 PathProgramCache]: Analyzing trace with hash 822490654, now seen corresponding path program 20 times [2021-07-10 13:58:39,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:58:39,698 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979487025] [2021-07-10 13:58:39,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:58:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:58:40,099 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:40,100 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:58:40,100 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979487025] [2021-07-10 13:58:40,100 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979487025] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:40,100 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236123329] [2021-07-10 13:58:40,100 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:58:40,152 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 13:58:40,152 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:58:40,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-10 13:58:40,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:58:40,557 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:40,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 13:58:40,558 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:40,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 13:58:40,561 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:40,576 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 13:58:40,576 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:58:40,577 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:58:40,577 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 13:58:40,612 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:40,613 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236123329] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:40,613 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:58:40,613 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-07-10 13:58:40,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767712312] [2021-07-10 13:58:40,613 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-10 13:58:40,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:58:40,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-10 13:58:40,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-07-10 13:58:40,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:40,614 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:58:40,614 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:58:40,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:40,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:40,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:40,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:58:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:58:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:58:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:58:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:58:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 13:58:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 13:58:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:41,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:41,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:41,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:41,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:41,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:41,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:41,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:41,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:41,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:41,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:41,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:41,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:41,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:41,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:58:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:58:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:58:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:58:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:58:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 13:58:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 13:58:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 13:58:41,470 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:58:41,470 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:58:41,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:58:41,470 INFO L82 PathProgramCache]: Analyzing trace with hash -439912288, now seen corresponding path program 21 times [2021-07-10 13:58:41,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:58:41,470 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528505524] [2021-07-10 13:58:41,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:58:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:58:42,518 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:42,518 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:58:42,518 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528505524] [2021-07-10 13:58:42,518 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528505524] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:42,518 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485457622] [2021-07-10 13:58:42,518 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:58:42,575 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-10 13:58:42,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:58:42,577 WARN L261 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 137 conjunts are in the unsatisfiable core [2021-07-10 13:58:42,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:58:44,166 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 13:58:44,478 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 13:58:44,818 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 13:58:45,128 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 13:58:45,507 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-10 13:58:45,822 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 13:58:46,139 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 13:58:46,486 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 13:58:46,841 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 13:58:47,168 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 13:58:47,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:47,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:47,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 89 [2021-07-10 13:58:47,315 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:47,356 INFO L628 ElimStorePlain]: treesize reduction 309, result has 3.4 percent of original size [2021-07-10 13:58:47,357 INFO L518 ElimStorePlain]: Eliminatee v_prenex_92 vanished before elimination [2021-07-10 13:58:47,357 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 13:58:47,357 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:58:47,357 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:58:47,357 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:437, output treesize:11 [2021-07-10 13:58:47,423 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:47,423 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485457622] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:47,423 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:58:47,423 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 50 [2021-07-10 13:58:47,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570831794] [2021-07-10 13:58:47,424 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-07-10 13:58:47,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:58:47,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-07-10 13:58:47,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=2330, Unknown=0, NotChecked=0, Total=2450 [2021-07-10 13:58:47,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:47,424 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:58:47,425 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 1.2) internal successors, (60), 50 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:58:47,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:47,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:47,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:47,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:47,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:47,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:47,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:47,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:47,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:47,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:47,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:47,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:47,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:47,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:58:47,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:58:47,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:58:47,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:58:47,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:58:47,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 13:58:47,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 13:58:47,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:47,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 13:58:47,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:49,198 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2021-07-10 13:58:49,793 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 136 [2021-07-10 13:58:49,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:49,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:49,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:49,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:49,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:49,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:49,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:49,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:49,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:49,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:49,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:49,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:49,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:49,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:58:49,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:58:49,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:58:49,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:58:49,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:58:49,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 13:58:49,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 13:58:49,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:49,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 13:58:49,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 13:58:50,109 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable252,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:58:50,109 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:58:50,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:58:50,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1834332456, now seen corresponding path program 22 times [2021-07-10 13:58:50,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:58:50,109 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512898553] [2021-07-10 13:58:50,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:58:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:58:50,572 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:50,572 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:58:50,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512898553] [2021-07-10 13:58:50,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512898553] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:50,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600860386] [2021-07-10 13:58:50,572 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:58:50,617 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 13:58:50,618 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:58:50,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-10 13:58:50,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:58:51,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:51,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 13:58:51,076 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:51,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 13:58:51,079 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:51,113 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 13:58:51,114 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:58:51,114 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:58:51,114 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 13:58:51,153 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:51,153 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600860386] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:51,153 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:58:51,153 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-07-10 13:58:51,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161053806] [2021-07-10 13:58:51,153 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-10 13:58:51,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:58:51,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-10 13:58:51,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-07-10 13:58:51,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:51,154 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:58:51,154 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.25) internal successors, (50), 40 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:58:51,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:51,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:51,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:51,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:51,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:51,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:51,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:51,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:51,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:51,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:51,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:51,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:51,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:51,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:58:51,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:58:51,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:58:51,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:58:51,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:58:51,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 13:58:51,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 13:58:51,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:51,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 13:58:51,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 13:58:51,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:51,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:51,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:51,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:51,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:51,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:51,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:51,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:51,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:51,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:51,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:51,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:51,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:51,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:51,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:58:51,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:58:51,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:58:51,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:58:51,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:58:51,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 13:58:51,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 13:58:51,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:51,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 13:58:51,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 13:58:51,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 13:58:52,159 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable292,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:58:52,160 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:58:52,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:58:52,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1197050074, now seen corresponding path program 23 times [2021-07-10 13:58:52,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:58:52,160 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773622142] [2021-07-10 13:58:52,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:58:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:58:53,331 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:53,331 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:58:53,331 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773622142] [2021-07-10 13:58:53,331 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773622142] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:53,331 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276218189] [2021-07-10 13:58:53,332 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:58:53,390 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-10 13:58:53,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:58:53,392 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 149 conjunts are in the unsatisfiable core [2021-07-10 13:58:53,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:58:55,459 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 13:58:55,882 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 13:58:56,253 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 13:58:56,625 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 13:58:57,078 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 13:58:57,452 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 13:58:57,812 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 13:58:58,267 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 13:58:58,729 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 13:58:59,234 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 13:58:59,616 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 13:58:59,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:59,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,794 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:59,796 INFO L244 Elim1Store]: Index analysis took 105 ms [2021-07-10 13:58:59,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 98 [2021-07-10 13:58:59,802 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:59,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:58:59,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:58:59,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 96 [2021-07-10 13:58:59,861 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 13:58:59,877 INFO L628 ElimStorePlain]: treesize reduction 204, result has 5.1 percent of original size [2021-07-10 13:58:59,878 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:58:59,878 INFO L518 ElimStorePlain]: Eliminatee v_prenex_105 vanished before elimination [2021-07-10 13:58:59,878 INFO L518 ElimStorePlain]: Eliminatee v_prenex_106 vanished before elimination [2021-07-10 13:58:59,878 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:58:59,878 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:470, output treesize:11 [2021-07-10 13:58:59,888 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:58:59,888 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276218189] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:58:59,888 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:58:59,888 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 53 [2021-07-10 13:58:59,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405549044] [2021-07-10 13:58:59,889 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-10 13:58:59,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:58:59,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-10 13:58:59,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=2629, Unknown=0, NotChecked=0, Total=2756 [2021-07-10 13:58:59,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:58:59,890 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:58:59,890 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.1320754716981132) internal successors, (60), 53 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:58:59,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:58:59,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:58:59,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:58:59,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:59,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:58:59,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:58:59,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:58:59,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:59,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:58:59,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:58:59,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:58:59,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:59,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:58:59,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:58:59,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:58:59,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:58:59,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:58:59,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:58:59,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 13:58:59,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 13:58:59,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:58:59,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 13:58:59,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 13:58:59,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 13:58:59,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:59:02,722 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 145 [2021-07-10 13:59:02,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:59:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:59:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:59:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:59:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:59:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:59:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:59:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:59:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:59:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:59:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:59:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:59:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:59:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:59:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:59:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:59:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:59:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 13:59:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 13:59:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:59:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 13:59:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 13:59:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 13:59:02,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 13:59:03,051 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable294,26 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:59:03,051 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:59:03,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:59:03,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1205035170, now seen corresponding path program 24 times [2021-07-10 13:59:03,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:59:03,052 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248566467] [2021-07-10 13:59:03,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:59:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:59:03,578 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:59:03,579 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:59:03,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248566467] [2021-07-10 13:59:03,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248566467] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:59:03,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299077710] [2021-07-10 13:59:03,579 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:59:03,633 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-10 13:59:03,634 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:59:03,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-10 13:59:03,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:59:04,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:59:04,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 13:59:04,183 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:59:04,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 13:59:04,186 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 13:59:04,206 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 13:59:04,206 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:59:04,206 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:59:04,207 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 13:59:04,263 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:59:04,263 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299077710] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:59:04,263 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:59:04,263 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-07-10 13:59:04,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698487986] [2021-07-10 13:59:04,264 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-10 13:59:04,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:59:04,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-10 13:59:04,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-07-10 13:59:04,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:59:04,265 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:59:04,265 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 43 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:59:04,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:59:04,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:59:04,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:59:04,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:59:04,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:59:04,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:59:04,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:59:04,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:59:04,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:59:04,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:59:04,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:59:04,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:59:04,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:59:04,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:59:04,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:59:04,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:04,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:59:04,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:59:04,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 13:59:04,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 13:59:04,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:59:04,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 13:59:04,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 13:59:04,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 13:59:04,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 13:59:04,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:59:05,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:59:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:59:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:59:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:59:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:59:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:59:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:59:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:59:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:59:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:59:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:59:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:59:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:59:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:59:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:59:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:59:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:59:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 13:59:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 13:59:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:59:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 13:59:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 13:59:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 13:59:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 13:59:05,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 13:59:05,392 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable333 [2021-07-10 13:59:05,393 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:59:05,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:59:05,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1131296608, now seen corresponding path program 25 times [2021-07-10 13:59:05,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:59:05,393 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564939287] [2021-07-10 13:59:05,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:59:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:59:07,212 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:59:07,212 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:59:07,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564939287] [2021-07-10 13:59:07,212 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564939287] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:59:07,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274429779] [2021-07-10 13:59:07,212 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:59:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:59:07,274 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 161 conjunts are in the unsatisfiable core [2021-07-10 13:59:07,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:59:09,825 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 13:59:10,317 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 13:59:10,818 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 13:59:11,258 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-10 13:59:11,716 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-10 13:59:12,199 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 13:59:12,704 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 13:59:13,194 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-10 13:59:13,758 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 13:59:14,238 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-10 13:59:14,742 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-10 13:59:15,272 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 13:59:15,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:59:15,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:15,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 103 [2021-07-10 13:59:15,424 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:59:15,465 INFO L628 ElimStorePlain]: treesize reduction 353, result has 3.0 percent of original size [2021-07-10 13:59:15,465 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:59:15,465 INFO L518 ElimStorePlain]: Eliminatee v_prenex_122 vanished before elimination [2021-07-10 13:59:15,465 INFO L518 ElimStorePlain]: Eliminatee v_prenex_123 vanished before elimination [2021-07-10 13:59:15,466 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:59:15,466 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:503, output treesize:11 [2021-07-10 13:59:15,565 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:59:15,566 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [274429779] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:59:15,566 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:59:15,566 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30] total 58 [2021-07-10 13:59:15,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614632402] [2021-07-10 13:59:15,566 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-07-10 13:59:15,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:59:15,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-07-10 13:59:15,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=3179, Unknown=0, NotChecked=0, Total=3306 [2021-07-10 13:59:15,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:59:15,568 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:59:15,568 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 1.1724137931034482) internal successors, (68), 58 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:59:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:59:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:59:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:59:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:59:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:59:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:59:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:59:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:59:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:59:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:59:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:59:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:59:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:59:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:59:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:59:15,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:15,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:59:15,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:59:15,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 13:59:15,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 13:59:15,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:59:15,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 13:59:15,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 13:59:15,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 13:59:15,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 13:59:15,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 13:59:15,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:59:18,076 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2021-07-10 13:59:18,846 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 156 [2021-07-10 13:59:19,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:59:19,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:59:19,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:59:19,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:59:19,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:59:19,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:59:19,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:59:19,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:59:19,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:59:19,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:59:19,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:59:19,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:59:19,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:59:19,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:59:19,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:59:19,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:19,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:59:19,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:59:19,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 13:59:19,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 13:59:19,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:59:19,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 13:59:19,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 13:59:19,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 13:59:19,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 13:59:19,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 13:59:19,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:19,231 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable335 [2021-07-10 13:59:19,231 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:59:19,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:59:19,232 INFO L82 PathProgramCache]: Analyzing trace with hash 2047553944, now seen corresponding path program 26 times [2021-07-10 13:59:19,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:59:19,232 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806673089] [2021-07-10 13:59:19,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:59:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:59:19,891 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:59:19,892 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:59:19,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806673089] [2021-07-10 13:59:19,892 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806673089] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:59:19,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715069653] [2021-07-10 13:59:19,892 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:59:19,948 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 13:59:19,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:59:19,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-10 13:59:19,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:59:20,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:59:20,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 13:59:20,593 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:59:20,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 13:59:20,596 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 13:59:20,611 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 13:59:20,611 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:59:20,612 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:59:20,612 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 13:59:20,656 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:59:20,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715069653] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:59:20,656 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:59:20,656 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-07-10 13:59:20,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689857085] [2021-07-10 13:59:20,657 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-10 13:59:20,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:59:20,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-10 13:59:20,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-07-10 13:59:20,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:59:20,658 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:59:20,658 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 46 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:59:20,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:59:20,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:59:20,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:59:20,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:59:20,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:59:20,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:59:20,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:59:20,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:59:20,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:59:20,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:59:20,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:59:20,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:59:20,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:59:20,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:59:20,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:59:20,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:20,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:59:20,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:59:20,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 13:59:20,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 13:59:20,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:59:20,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 13:59:20,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 13:59:20,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 13:59:20,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 13:59:20,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 13:59:20,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:20,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:59:21,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:59:21,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:59:21,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:59:21,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:59:21,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:59:21,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:59:21,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:59:21,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:59:21,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:59:21,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:59:21,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:59:21,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:59:21,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:59:21,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:59:21,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:59:21,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:21,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:59:21,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:59:21,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 13:59:21,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 13:59:21,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:59:21,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 13:59:21,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 13:59:21,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 13:59:21,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 13:59:21,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 13:59:21,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:21,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 13:59:21,915 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable375 [2021-07-10 13:59:21,916 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:59:21,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:59:21,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1117655962, now seen corresponding path program 27 times [2021-07-10 13:59:21,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:59:21,916 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042296198] [2021-07-10 13:59:21,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:59:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:59:24,216 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:59:24,216 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:59:24,216 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042296198] [2021-07-10 13:59:24,216 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042296198] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:59:24,216 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332837984] [2021-07-10 13:59:24,216 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:59:24,285 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-10 13:59:24,286 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:59:24,288 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 173 conjunts are in the unsatisfiable core [2021-07-10 13:59:24,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:59:26,968 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 13:59:27,460 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 13:59:27,907 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 13:59:28,464 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 13:59:29,046 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 13:59:29,725 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 13:59:30,349 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 13:59:31,237 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 13:59:31,802 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 13:59:32,431 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 13:59:33,072 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 13:59:33,638 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 13:59:34,173 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 13:59:34,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:59:34,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:34,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 91 disjoint index pairs (out of 105 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 110 [2021-07-10 13:59:34,348 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:59:34,388 INFO L628 ElimStorePlain]: treesize reduction 371, result has 2.9 percent of original size [2021-07-10 13:59:34,388 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:59:34,388 INFO L518 ElimStorePlain]: Eliminatee v_prenex_141 vanished before elimination [2021-07-10 13:59:34,388 INFO L518 ElimStorePlain]: Eliminatee v_prenex_142 vanished before elimination [2021-07-10 13:59:34,389 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:59:34,389 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:536, output treesize:11 [2021-07-10 13:59:34,499 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:59:34,499 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332837984] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:59:34,499 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:59:34,499 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 32] total 63 [2021-07-10 13:59:34,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260440402] [2021-07-10 13:59:34,499 INFO L462 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-07-10 13:59:34,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:59:34,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-07-10 13:59:34,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=3768, Unknown=0, NotChecked=0, Total=3906 [2021-07-10 13:59:34,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:59:34,501 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:59:34,501 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 1.1428571428571428) internal successors, (72), 63 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:59:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:59:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:59:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:59:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:59:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:59:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:59:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:59:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:59:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:59:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:59:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:59:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:59:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:59:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:59:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:59:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:59:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:59:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 13:59:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 13:59:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:59:34,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 13:59:34,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 13:59:34,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 13:59:34,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 13:59:34,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 13:59:34,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:34,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 13:59:34,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:59:37,414 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2021-07-10 13:59:38,156 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 111 [2021-07-10 13:59:38,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:59:38,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:59:38,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:59:38,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:59:38,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:59:38,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:59:38,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:59:38,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:59:38,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:59:38,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:59:38,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:59:38,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:59:38,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:59:38,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:59:38,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:59:38,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:38,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:59:38,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:59:38,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 13:59:38,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 13:59:38,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:59:38,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 13:59:38,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 13:59:38,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 13:59:38,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 13:59:38,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 13:59:38,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:38,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 13:59:38,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:38,576 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable377 [2021-07-10 13:59:38,577 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:59:38,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:59:38,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1062651746, now seen corresponding path program 28 times [2021-07-10 13:59:38,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:59:38,577 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661580231] [2021-07-10 13:59:38,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:59:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:59:39,316 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:59:39,316 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:59:39,317 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661580231] [2021-07-10 13:59:39,317 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661580231] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:59:39,317 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685098411] [2021-07-10 13:59:39,317 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:59:39,371 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 13:59:39,372 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:59:39,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-10 13:59:39,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:59:40,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:59:40,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 13:59:40,042 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:59:40,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 13:59:40,045 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 13:59:40,060 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 13:59:40,060 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:59:40,061 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:59:40,061 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 13:59:40,107 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:59:40,107 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685098411] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:59:40,107 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:59:40,107 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-07-10 13:59:40,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236009031] [2021-07-10 13:59:40,107 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-10 13:59:40,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:59:40,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-10 13:59:40,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-07-10 13:59:40,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:59:40,108 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:59:40,108 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 49 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:59:40,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 13:59:40,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:40,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:59:41,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:59:41,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:59:41,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:59:41,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:59:41,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:59:41,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:59:41,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:59:41,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:59:41,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:59:41,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:59:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:59:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:59:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:59:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:59:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:59:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:59:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:59:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 13:59:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 13:59:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:59:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 13:59:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 13:59:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 13:59:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 13:59:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 13:59:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 13:59:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 13:59:41,588 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable419,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:59:41,588 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:59:41,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:59:41,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1250215456, now seen corresponding path program 29 times [2021-07-10 13:59:41,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:59:41,589 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406589461] [2021-07-10 13:59:41,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:59:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:59:42,786 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:59:42,786 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:59:42,786 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406589461] [2021-07-10 13:59:42,786 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406589461] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:59:42,786 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448968956] [2021-07-10 13:59:42,786 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:59:42,858 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-07-10 13:59:42,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:59:42,861 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 185 conjunts are in the unsatisfiable core [2021-07-10 13:59:42,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:59:45,061 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-07-10 13:59:45,698 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-10 13:59:46,333 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 13:59:46,870 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-10 13:59:47,417 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-10 13:59:47,971 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-10 13:59:48,574 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 13:59:49,091 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-10 13:59:49,673 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 13:59:50,295 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 13:59:50,827 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-10 13:59:51,423 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 13:59:52,041 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-10 13:59:52,569 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-10 13:59:53,117 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-10 13:59:53,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:59:53,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:59:53,411 INFO L244 Elim1Store]: Index analysis took 174 ms [2021-07-10 13:59:53,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 119 [2021-07-10 13:59:53,417 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:59:53,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,437 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:59:53,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 13:59:53,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 117 [2021-07-10 13:59:53,507 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 13:59:53,522 INFO L628 ElimStorePlain]: treesize reduction 227, result has 4.6 percent of original size [2021-07-10 13:59:53,523 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:59:53,523 INFO L518 ElimStorePlain]: Eliminatee v_prenex_154 vanished before elimination [2021-07-10 13:59:53,523 INFO L518 ElimStorePlain]: Eliminatee v_prenex_155 vanished before elimination [2021-07-10 13:59:53,523 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:59:53,523 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:569, output treesize:11 [2021-07-10 13:59:53,616 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:59:53,616 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448968956] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:59:53,616 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:59:53,616 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34] total 66 [2021-07-10 13:59:53,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304230741] [2021-07-10 13:59:53,617 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-07-10 13:59:53,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:59:53,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-07-10 13:59:53,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=4130, Unknown=0, NotChecked=0, Total=4290 [2021-07-10 13:59:53,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:59:53,618 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:59:53,618 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 1.1515151515151516) internal successors, (76), 66 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:59:53,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:59:53,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:59:53,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:59:53,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:59:53,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:59:53,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:59:53,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:59:53,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:59:53,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:59:53,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:59:53,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:59:53,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:59:53,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:59:53,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:59:53,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:59:53,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:53,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:59:53,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:59:53,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 13:59:53,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 13:59:53,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:59:53,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 13:59:53,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 13:59:53,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 13:59:53,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 13:59:53,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 13:59:53,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:53,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 13:59:53,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:53,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 13:59:53,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:59:57,105 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2021-07-10 13:59:57,836 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 107 [2021-07-10 13:59:57,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 13:59:57,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 13:59:57,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:59:57,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:59:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:59:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 13:59:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 13:59:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:59:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 13:59:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 13:59:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 13:59:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:59:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 13:59:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 13:59:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 13:59:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 13:59:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 13:59:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 13:59:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 13:59:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 13:59:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 13:59:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 13:59:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 13:59:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 13:59:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 13:59:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 13:59:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 13:59:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 13:59:57,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 13:59:58,197 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable421 [2021-07-10 13:59:58,197 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 13:59:58,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:59:58,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1725307816, now seen corresponding path program 30 times [2021-07-10 13:59:58,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:59:58,197 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800213005] [2021-07-10 13:59:58,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:59:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:59:59,064 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:59:59,064 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:59:59,064 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800213005] [2021-07-10 13:59:59,065 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800213005] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:59:59,065 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465481505] [2021-07-10 13:59:59,065 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:59:59,156 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-07-10 13:59:59,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 13:59:59,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 72 conjunts are in the unsatisfiable core [2021-07-10 13:59:59,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:59:59,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 13:59:59,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 13:59:59,924 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 13:59:59,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 13:59:59,936 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 13:59:59,952 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 13:59:59,952 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 13:59:59,952 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 13:59:59,952 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:00:00,001 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:00:00,001 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465481505] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:00:00,001 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:00:00,001 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-07-10 14:00:00,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693221712] [2021-07-10 14:00:00,001 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-10 14:00:00,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:00:00,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-10 14:00:00,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-07-10 14:00:00,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:00:00,003 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:00:00,003 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.1923076923076923) internal successors, (62), 52 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:00:00,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:00:00,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:00:00,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:00:00,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:00:00,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:00:00,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:00:00,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:00:00,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:00:00,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:00:00,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:00:00,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:00:00,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:00:00,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:00:00,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:00:00,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 14:00:00,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:00,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:00:00,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:00:00,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:00:00,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:00:00,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:00:00,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:00:00,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 14:00:00,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:00:00,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 14:00:00,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:00:00,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:00,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:00:00,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:00,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:00:00,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:00:00,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:00:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:00:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:00:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:00:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:00:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:00:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:00:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:00:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:00:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:00:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:00:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:00:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:00:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:00:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:00:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 14:00:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:00:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:00:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:00:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:00:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:00:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:00:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 14:00:01,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:00:01,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 14:00:01,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:00:01,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:01,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:00:01,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:01,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:00:01,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:00:01,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:00:01,391 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable469 [2021-07-10 14:00:01,391 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:00:01,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:00:01,392 INFO L82 PathProgramCache]: Analyzing trace with hash -2112253530, now seen corresponding path program 31 times [2021-07-10 14:00:01,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:00:01,392 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429099331] [2021-07-10 14:00:01,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:00:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:00:03,472 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:00:03,472 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:00:03,472 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429099331] [2021-07-10 14:00:03,472 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429099331] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:00:03,472 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165217752] [2021-07-10 14:00:03,472 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:00:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:00:03,550 WARN L261 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 197 conjunts are in the unsatisfiable core [2021-07-10 14:00:03,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:00:06,141 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-07-10 14:00:06,791 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 14:00:07,422 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 14:00:08,096 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 14:00:08,778 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 14:00:09,384 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 14:00:09,994 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 14:00:10,754 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 14:00:11,622 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 14:00:12,257 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 14:00:13,062 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 14:00:13,797 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 14:00:14,474 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 14:00:15,230 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 14:00:15,913 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 14:00:16,554 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 14:00:16,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:00:16,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:16,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 124 [2021-07-10 14:00:16,750 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:00:16,797 INFO L628 ElimStorePlain]: treesize reduction 419, result has 2.6 percent of original size [2021-07-10 14:00:16,797 INFO L518 ElimStorePlain]: Eliminatee v_prenex_173 vanished before elimination [2021-07-10 14:00:16,797 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:00:16,797 INFO L518 ElimStorePlain]: Eliminatee v_prenex_174 vanished before elimination [2021-07-10 14:00:16,798 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:00:16,798 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:602, output treesize:11 [2021-07-10 14:00:16,813 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:00:16,814 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165217752] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:00:16,814 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:00:16,814 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36] total 69 [2021-07-10 14:00:16,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631920631] [2021-07-10 14:00:16,814 INFO L462 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-07-10 14:00:16,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:00:16,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-07-10 14:00:16,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=4525, Unknown=0, NotChecked=0, Total=4692 [2021-07-10 14:00:16,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:00:16,816 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:00:16,816 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 69 states, 69 states have (on average 1.1014492753623188) internal successors, (76), 69 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:00:16,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:00:16,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:00:16,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:00:16,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:00:16,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:00:16,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:00:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:00:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:00:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:00:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:00:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:00:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:00:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:00:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:00:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 14:00:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:00:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:00:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:00:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:00:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:00:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:00:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 14:00:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:00:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 14:00:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:00:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:00:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:00:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:00:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:00:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:00:20,902 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2021-07-10 14:00:21,712 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 113 [2021-07-10 14:00:21,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:00:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:00:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:00:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:00:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:00:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:00:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:00:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:00:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:00:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:00:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:00:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:00:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:00:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:00:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 14:00:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:00:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:00:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:00:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:00:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:00:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:00:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 14:00:21,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:00:21,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 14:00:21,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:00:21,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:21,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:00:21,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:21,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:00:21,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:00:21,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:00:21,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 14:00:22,118 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable471,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:00:22,118 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:00:22,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:00:22,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1141898786, now seen corresponding path program 32 times [2021-07-10 14:00:22,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:00:22,119 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399472713] [2021-07-10 14:00:22,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:00:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:00:23,052 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:00:23,053 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:00:23,053 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399472713] [2021-07-10 14:00:23,053 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399472713] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:00:23,053 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949076716] [2021-07-10 14:00:23,053 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:00:23,136 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 14:00:23,136 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:00:23,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 74 conjunts are in the unsatisfiable core [2021-07-10 14:00:23,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:00:23,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:00:24,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 14:00:24,002 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:00:24,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 14:00:24,005 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:00:24,020 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 14:00:24,020 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:00:24,021 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:00:24,021 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:00:24,072 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:00:24,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949076716] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:00:24,073 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:00:24,073 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 55 [2021-07-10 14:00:24,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483607118] [2021-07-10 14:00:24,073 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-10 14:00:24,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:00:24,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-10 14:00:24,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2829, Unknown=0, NotChecked=0, Total=2970 [2021-07-10 14:00:24,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:00:24,074 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:00:24,074 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.1818181818181819) internal successors, (65), 55 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) [2021-07-10 14:00:24,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:00:24,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:00:24,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:00:24,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:00:24,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:00:24,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:00:24,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:00:24,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:00:24,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:00:24,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:00:24,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:00:24,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:00:24,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:00:24,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:00:24,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 14:00:24,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:24,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:00:24,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:00:24,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:00:24,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:00:24,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:00:24,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:00:24,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 14:00:24,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:00:24,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 14:00:24,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:00:24,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:24,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:00:24,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:24,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:00:24,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:00:24,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:00:24,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 14:00:24,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:00:25,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:00:25,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:00:25,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:00:25,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:00:25,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:00:25,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:00:25,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:00:25,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:00:25,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:00:25,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:00:25,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:00:25,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:00:25,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:00:25,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:00:25,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 14:00:25,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:25,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:00:25,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:00:25,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:00:25,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:00:25,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:00:25,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:00:25,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 14:00:25,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:00:25,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 14:00:25,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:00:25,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:25,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:00:25,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:25,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:00:25,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:00:25,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:00:25,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 14:00:25,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:00:25,717 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable519,35 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:00:25,717 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:00:25,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:00:25,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1206442784, now seen corresponding path program 33 times [2021-07-10 14:00:25,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:00:25,718 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597522584] [2021-07-10 14:00:25,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:00:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:00:28,322 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:00:28,323 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:00:28,323 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597522584] [2021-07-10 14:00:28,323 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597522584] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:00:28,323 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043942946] [2021-07-10 14:00:28,323 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:00:28,404 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-07-10 14:00:28,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:00:28,407 WARN L261 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 209 conjunts are in the unsatisfiable core [2021-07-10 14:00:28,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:00:30,916 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-07-10 14:00:31,324 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-07-10 14:00:32,157 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 14:00:32,918 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 14:00:33,594 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 14:00:34,379 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 14:00:35,216 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 14:00:35,895 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 14:00:36,613 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 14:00:37,405 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 14:00:38,085 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 14:00:38,851 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 14:00:40,229 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 14:00:41,130 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 14:00:41,878 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 14:00:42,545 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 14:00:43,227 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 14:00:43,925 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 14:00:44,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:00:44,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:00:44,129 INFO L244 Elim1Store]: Index analysis took 105 ms [2021-07-10 14:00:44,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 131 [2021-07-10 14:00:44,136 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:00:44,184 INFO L628 ElimStorePlain]: treesize reduction 437, result has 2.5 percent of original size [2021-07-10 14:00:44,184 INFO L518 ElimStorePlain]: Eliminatee v_prenex_191 vanished before elimination [2021-07-10 14:00:44,184 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 14:00:44,184 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:00:44,185 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:00:44,185 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:635, output treesize:11 [2021-07-10 14:00:44,299 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:00:44,299 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043942946] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:00:44,299 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:00:44,300 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 38] total 74 [2021-07-10 14:00:44,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360843380] [2021-07-10 14:00:44,300 INFO L462 AbstractCegarLoop]: Interpolant automaton has 74 states [2021-07-10 14:00:44,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:00:44,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2021-07-10 14:00:44,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=5222, Unknown=0, NotChecked=0, Total=5402 [2021-07-10 14:00:44,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:00:44,301 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:00:44,302 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 74 states, 74 states have (on average 1.135135135135135) internal successors, (84), 74 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:00:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:44,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:00:44,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:44,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:00:44,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:00:44,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:00:44,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 14:00:44,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:00:44,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:00:49,653 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 113 [2021-07-10 14:00:50,596 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 123 [2021-07-10 14:00:50,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:00:50,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:00:50,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:00:50,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:00:50,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:00:50,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:00:50,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:00:50,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:00:50,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:00:50,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:00:50,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:00:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:00:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:00:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:00:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 14:00:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:00:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:00:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:00:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:00:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:00:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:00:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 14:00:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:00:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 14:00:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:00:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:00:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:00:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:00:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:00:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 14:00:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:00:50,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 14:00:51,036 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable521 [2021-07-10 14:00:51,036 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:00:51,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:00:51,036 INFO L82 PathProgramCache]: Analyzing trace with hash -703437032, now seen corresponding path program 34 times [2021-07-10 14:00:51,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:00:51,037 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721433883] [2021-07-10 14:00:51,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:00:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:00:52,099 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:00:52,099 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:00:52,099 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721433883] [2021-07-10 14:00:52,099 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721433883] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:00:52,099 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549206628] [2021-07-10 14:00:52,100 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:00:52,202 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 14:00:52,202 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:00:52,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 78 conjunts are in the unsatisfiable core [2021-07-10 14:00:52,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:00:53,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:00:53,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 14:00:53,234 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:00:53,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 14:00:53,237 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:00:53,253 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 14:00:53,253 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:00:53,253 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:00:53,253 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:00:53,307 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:00:53,308 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549206628] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:00:53,308 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:00:53,308 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 58 [2021-07-10 14:00:53,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726135538] [2021-07-10 14:00:53,308 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-07-10 14:00:53,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:00:53,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-07-10 14:00:53,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=3157, Unknown=0, NotChecked=0, Total=3306 [2021-07-10 14:00:53,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:00:53,310 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:00:53,310 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 1.1724137931034482) internal successors, (68), 58 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:00:53,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:00:53,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:00:53,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:00:53,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:00:53,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:00:53,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:00:53,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:00:53,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:00:53,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 14:00:53,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:00:55,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:00:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:00:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:00:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:00:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:00:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:00:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:00:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:00:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:00:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:00:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:00:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:00:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:00:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:00:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 14:00:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:00:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:00:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:00:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:00:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:00:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:00:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 14:00:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:00:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 14:00:55,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:00:55,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:55,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:00:55,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:00:55,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:00:55,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:00:55,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:00:55,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 14:00:55,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:00:55,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 14:00:55,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:00:55,345 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable573 [2021-07-10 14:00:55,346 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:00:55,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:00:55,346 INFO L82 PathProgramCache]: Analyzing trace with hash -499030298, now seen corresponding path program 35 times [2021-07-10 14:00:55,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:00:55,346 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700934804] [2021-07-10 14:00:55,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:00:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:00:58,115 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:00:58,115 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:00:58,115 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700934804] [2021-07-10 14:00:58,115 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700934804] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:00:58,115 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2205692] [2021-07-10 14:00:58,115 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:00:58,201 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-07-10 14:00:58,202 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:00:58,205 WARN L261 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 221 conjunts are in the unsatisfiable core [2021-07-10 14:00:58,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:01:01,068 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-07-10 14:01:01,573 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-07-10 14:01:02,307 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-07-10 14:01:03,289 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-07-10 14:01:04,085 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-07-10 14:01:04,823 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-07-10 14:01:05,642 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-07-10 14:01:06,373 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-07-10 14:01:07,173 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-07-10 14:01:08,062 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-07-10 14:01:08,795 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-07-10 14:01:09,605 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-07-10 14:01:10,306 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-07-10 14:01:11,091 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-07-10 14:01:11,960 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-07-10 14:01:12,758 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-07-10 14:01:13,682 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-07-10 14:01:14,588 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-07-10 14:01:15,555 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-07-10 14:01:15,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:01:15,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:01:15,880 INFO L244 Elim1Store]: Index analysis took 229 ms [2021-07-10 14:01:15,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 153 disjoint index pairs (out of 171 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 138 [2021-07-10 14:01:15,890 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:01:15,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:01:15,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:15,999 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-07-10 14:01:16,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 153 disjoint index pairs (out of 171 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 214 treesize of output 140 [2021-07-10 14:01:16,006 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:01:16,023 INFO L628 ElimStorePlain]: treesize reduction 266, result has 4.0 percent of original size [2021-07-10 14:01:16,023 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 14:01:16,023 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:01:16,023 INFO L518 ElimStorePlain]: Eliminatee v_prenex_210 vanished before elimination [2021-07-10 14:01:16,023 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:01:16,024 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:668, output treesize:11 [2021-07-10 14:01:16,036 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:01:16,036 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2205692] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:01:16,036 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:01:16,036 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 40] total 77 [2021-07-10 14:01:16,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154427322] [2021-07-10 14:01:16,037 INFO L462 AbstractCegarLoop]: Interpolant automaton has 77 states [2021-07-10 14:01:16,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:01:16,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-07-10 14:01:16,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=5665, Unknown=0, NotChecked=0, Total=5852 [2021-07-10 14:01:16,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:01:16,038 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:01:16,039 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 77 states, 77 states have (on average 1.0909090909090908) internal successors, (84), 77 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:01:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:01:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:01:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:01:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:01:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:01:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:01:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:01:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:01:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:01:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:01:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:01:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:01:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:01:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:01:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 14:01:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:01:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:01:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:01:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:01:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:01:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:01:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:01:16,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 14:01:16,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:01:16,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 14:01:16,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:01:16,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:01:16,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:01:16,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:01:16,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:01:16,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:01:16,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:01:16,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 14:01:16,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:01:16,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 14:01:16,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:01:16,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:01:21,078 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 112 [2021-07-10 14:01:21,964 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 200 [2021-07-10 14:01:22,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:01:22,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:01:22,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:01:22,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:01:22,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:01:22,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:01:22,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:01:22,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:01:22,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:01:22,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:01:22,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:01:22,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:01:22,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:01:22,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:01:22,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 14:01:22,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:01:22,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:01:22,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:01:22,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:01:22,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:01:22,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:01:22,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:01:22,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 14:01:22,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:01:22,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 14:01:22,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:01:22,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:01:22,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:01:22,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:01:22,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:01:22,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:01:22,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:01:22,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 14:01:22,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:01:22,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 14:01:22,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:01:22,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 14:01:22,354 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable575 [2021-07-10 14:01:22,354 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:01:22,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:01:22,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1853160222, now seen corresponding path program 36 times [2021-07-10 14:01:22,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:01:22,355 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692421219] [2021-07-10 14:01:22,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:01:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:01:23,543 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:01:23,543 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:01:23,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692421219] [2021-07-10 14:01:23,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692421219] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:01:23,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4896165] [2021-07-10 14:01:23,543 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:01:23,635 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-07-10 14:01:23,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:01:23,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 82 conjunts are in the unsatisfiable core [2021-07-10 14:01:23,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:01:24,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:01:24,670 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 15 treesize of output 11 [2021-07-10 14:01:24,671 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:01:24,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 14:01:24,673 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:01:24,689 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 14:01:24,689 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:01:24,689 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:01:24,689 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:01:24,746 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:01:24,746 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4896165] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:01:24,746 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:01:24,746 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41] total 61 [2021-07-10 14:01:24,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946654368] [2021-07-10 14:01:24,746 INFO L462 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-07-10 14:01:24,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:01:24,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-07-10 14:01:24,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=3503, Unknown=0, NotChecked=0, Total=3660 [2021-07-10 14:01:24,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:01:24,747 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:01:24,748 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 61 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 61 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:01:24,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:01:24,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:01:24,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:01:24,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:01:24,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:01:24,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:01:24,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:01:24,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:01:24,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:01:24,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:01:24,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:01:24,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:01:24,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:01:24,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:01:24,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 14:01:24,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:01:24,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:01:24,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:01:24,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:01:24,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:01:24,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:01:24,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:01:24,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 14:01:24,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:01:24,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 14:01:24,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:01:24,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:01:24,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:01:24,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:01:24,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:01:24,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:01:24,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:01:24,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 14:01:24,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:01:24,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 14:01:24,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:01:24,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 14:01:24,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:01:26,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:01:26,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:01:26,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:01:26,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:01:26,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:01:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 14:01:26,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:01:26,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 14:01:26,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 14:01:26,675 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable629,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:01:26,676 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:01:26,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:01:26,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1446073248, now seen corresponding path program 37 times [2021-07-10 14:01:26,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:01:26,676 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068034037] [2021-07-10 14:01:26,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:01:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:01:27,549 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2021-07-10 14:01:27,716 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2021-07-10 14:01:27,875 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2021-07-10 14:01:28,031 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2021-07-10 14:01:28,189 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2021-07-10 14:01:28,354 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2021-07-10 14:01:28,511 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2021-07-10 14:01:28,667 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2021-07-10 14:01:28,987 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2021-07-10 14:01:29,149 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2021-07-10 14:01:30,611 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:01:30,611 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:01:30,611 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068034037] [2021-07-10 14:01:30,611 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068034037] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:01:30,611 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123877635] [2021-07-10 14:01:30,611 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:01:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:01:30,682 WARN L261 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 233 conjunts are in the unsatisfiable core [2021-07-10 14:01:30,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:01:33,973 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-07-10 14:01:34,480 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2021-07-10 14:01:35,323 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-07-10 14:01:36,193 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-07-10 14:01:37,094 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-07-10 14:01:37,861 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-07-10 14:01:38,825 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-07-10 14:01:39,692 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-07-10 14:01:40,715 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-07-10 14:01:41,614 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-07-10 14:01:42,576 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-07-10 14:01:43,439 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-07-10 14:01:44,412 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-07-10 14:01:45,323 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-07-10 14:01:46,440 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-07-10 14:01:47,674 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-07-10 14:01:48,709 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-07-10 14:01:49,667 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-07-10 14:01:50,672 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-07-10 14:01:51,767 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-07-10 14:01:51,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:01:51,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:01:51,982 INFO L244 Elim1Store]: Index analysis took 119 ms [2021-07-10 14:01:51,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 171 disjoint index pairs (out of 190 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 145 [2021-07-10 14:01:51,990 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:01:52,047 INFO L628 ElimStorePlain]: treesize reduction 485, result has 2.2 percent of original size [2021-07-10 14:01:52,047 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:01:52,047 INFO L518 ElimStorePlain]: Eliminatee v_prenex_232 vanished before elimination [2021-07-10 14:01:52,047 INFO L518 ElimStorePlain]: Eliminatee v_prenex_233 vanished before elimination [2021-07-10 14:01:52,048 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:01:52,048 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:701, output treesize:11 [2021-07-10 14:01:52,181 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:01:52,182 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123877635] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:01:52,182 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:01:52,182 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 42] total 82 [2021-07-10 14:01:52,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250031607] [2021-07-10 14:01:52,182 INFO L462 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-07-10 14:01:52,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:01:52,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-07-10 14:01:52,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=6443, Unknown=0, NotChecked=0, Total=6642 [2021-07-10 14:01:52,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:01:52,183 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:01:52,183 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 82 states, 82 states have (on average 1.1219512195121952) internal successors, (92), 82 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:01:52,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:01:52,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:01:52,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:01:52,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:01:52,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:01:52,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:01:52,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:01:52,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 14:01:52,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:01:52,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 14:01:52,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 14:01:52,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:01:59,045 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-07-10 14:01:59,675 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2021-07-10 14:01:59,963 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2021-07-10 14:02:01,321 WARN L205 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 217 [2021-07-10 14:02:01,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:02:01,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:02:01,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:02:01,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:02:01,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:02:01,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:02:01,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:02:01,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:02:01,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:02:01,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:02:01,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:02:01,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:02:01,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:02:01,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:02:01,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 14:02:01,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:02:01,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:02:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:02:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:02:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:02:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:02:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:02:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 14:02:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:02:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 14:02:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:02:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:02:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:02:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:02:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:02:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:02:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:02:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 14:02:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:02:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 14:02:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:02:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 14:02:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 14:02:01,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 14:02:01,776 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable631 [2021-07-10 14:02:01,776 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:02:01,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:02:01,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1546602024, now seen corresponding path program 38 times [2021-07-10 14:02:01,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:02:01,777 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608739517] [2021-07-10 14:02:01,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:02:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:02:02,876 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:02:02,876 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:02:02,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608739517] [2021-07-10 14:02:02,876 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608739517] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:02:02,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722046417] [2021-07-10 14:02:02,876 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:02:02,942 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 14:02:02,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:02:02,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 86 conjunts are in the unsatisfiable core [2021-07-10 14:02:02,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:02:04,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:02:04,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 14:02:04,102 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:02:04,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 14:02:04,105 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:02:04,121 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 14:02:04,122 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:02:04,122 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:02:04,122 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:02:04,182 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:02:04,182 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722046417] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:02:04,182 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:02:04,182 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43] total 64 [2021-07-10 14:02:04,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803582277] [2021-07-10 14:02:04,183 INFO L462 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-07-10 14:02:04,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:02:04,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-07-10 14:02:04,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=3867, Unknown=0, NotChecked=0, Total=4032 [2021-07-10 14:02:04,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:02:04,184 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:02:04,184 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 64 states, 64 states have (on average 1.15625) internal successors, (74), 64 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:02:04,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:02:04,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:02:04,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:02:04,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:02:04,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:02:04,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:02:04,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:02:04,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:02:04,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:02:04,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:02:04,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:02:04,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:02:04,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:02:04,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:02:04,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 14:02:04,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:02:04,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:02:04,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:02:04,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:02:04,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:02:04,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:02:04,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:02:04,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 14:02:04,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:02:04,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 14:02:04,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:02:04,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:02:04,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:02:04,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:02:04,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:02:04,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:02:04,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:02:04,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 14:02:04,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:02:04,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 14:02:04,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:02:04,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 14:02:04,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 14:02:04,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 14:02:04,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:02:06,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:02:06,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:02:06,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:02:06,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:02:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 14:02:06,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:02:06,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 14:02:06,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:02:06,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 14:02:06,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 14:02:06,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 14:02:06,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 14:02:06,620 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable686 [2021-07-10 14:02:06,621 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:02:06,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:02:06,621 INFO L82 PathProgramCache]: Analyzing trace with hash -867341274, now seen corresponding path program 39 times [2021-07-10 14:02:06,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:02:06,621 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561660058] [2021-07-10 14:02:06,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:02:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:02:10,227 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:02:10,227 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:02:10,227 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561660058] [2021-07-10 14:02:10,227 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561660058] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:02:10,227 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872409090] [2021-07-10 14:02:10,227 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:02:10,335 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-07-10 14:02:10,335 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:02:10,339 WARN L261 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 245 conjunts are in the unsatisfiable core [2021-07-10 14:02:10,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:02:14,191 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-07-10 14:02:14,699 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-07-10 14:02:15,598 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 207 [2021-07-10 14:02:16,574 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-07-10 14:02:17,540 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 207 [2021-07-10 14:02:18,579 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-07-10 14:02:19,648 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 207 [2021-07-10 14:02:20,698 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-07-10 14:02:21,773 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-07-10 14:02:22,823 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-07-10 14:02:23,801 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-07-10 14:02:24,729 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 207 [2021-07-10 14:02:25,835 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-07-10 14:02:26,809 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 207 [2021-07-10 14:02:27,857 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-07-10 14:02:28,900 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 207 [2021-07-10 14:02:29,927 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-07-10 14:02:31,131 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-07-10 14:02:32,154 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 207 [2021-07-10 14:02:33,173 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 207 [2021-07-10 14:02:34,280 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-07-10 14:02:34,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,536 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:02:34,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:02:34,751 INFO L244 Elim1Store]: Index analysis took 368 ms [2021-07-10 14:02:34,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 190 disjoint index pairs (out of 210 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 152 [2021-07-10 14:02:34,759 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:02:34,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:02:34,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:34,908 INFO L244 Elim1Store]: Index analysis took 144 ms [2021-07-10 14:02:34,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 190 disjoint index pairs (out of 210 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 224 treesize of output 144 [2021-07-10 14:02:34,917 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:02:35,099 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 123 [2021-07-10 14:02:35,100 INFO L628 ElimStorePlain]: treesize reduction 267, result has 49.1 percent of original size [2021-07-10 14:02:35,100 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:02:35,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,205 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:02:35,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 14:02:35,227 INFO L244 Elim1Store]: Index analysis took 125 ms [2021-07-10 14:02:35,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 190 disjoint index pairs (out of 210 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 236 treesize of output 154 [2021-07-10 14:02:35,235 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 14:02:35,247 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:02:35,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:02:35,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-07-10 14:02:35,251 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 14:02:35,262 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 14:02:35,263 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 14:02:35,264 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:961, output treesize:22 [2021-07-10 14:02:35,453 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:02:35,453 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872409090] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:02:35,453 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:02:35,453 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 44] total 87 [2021-07-10 14:02:35,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971193430] [2021-07-10 14:02:35,454 INFO L462 AbstractCegarLoop]: Interpolant automaton has 87 states [2021-07-10 14:02:35,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:02:35,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-07-10 14:02:35,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=7290, Unknown=0, NotChecked=0, Total=7482 [2021-07-10 14:02:35,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:02:35,455 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:02:35,455 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 87 states, 87 states have (on average 1.103448275862069) internal successors, (96), 87 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:02:35,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:02:35,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:02:35,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:02:35,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:02:35,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:02:35,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:02:35,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:02:35,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:02:35,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:02:35,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:02:35,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:02:35,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:02:35,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:02:35,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 14:02:35,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:02:42,189 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2021-07-10 14:02:43,510 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 138 [2021-07-10 14:02:43,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:02:43,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:02:43,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:02:43,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:02:43,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:02:43,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:02:43,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 14:02:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:02:43,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 14:02:43,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:02:43,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 14:02:43,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 14:02:43,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 14:02:43,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 14:02:43,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:02:44,074 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable688 [2021-07-10 14:02:44,074 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:02:44,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:02:44,074 INFO L82 PathProgramCache]: Analyzing trace with hash 799810654, now seen corresponding path program 40 times [2021-07-10 14:02:44,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:02:44,074 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807327621] [2021-07-10 14:02:44,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:02:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:02:45,344 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:02:45,344 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:02:45,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807327621] [2021-07-10 14:02:45,344 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807327621] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:02:45,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907676132] [2021-07-10 14:02:45,344 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:02:45,417 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 14:02:45,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:02:45,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 90 conjunts are in the unsatisfiable core [2021-07-10 14:02:45,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:02:46,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 14:02:46,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 14:02:46,662 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 14:02:46,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 14:02:46,665 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 14:02:46,680 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 14:02:46,680 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 14:02:46,681 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 14:02:46,681 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 14:02:46,742 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:02:46,743 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907676132] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:02:46,743 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 14:02:46,743 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 67 [2021-07-10 14:02:46,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384671812] [2021-07-10 14:02:46,743 INFO L462 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-07-10 14:02:46,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 14:02:46,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-07-10 14:02:46,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=4249, Unknown=0, NotChecked=0, Total=4422 [2021-07-10 14:02:46,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:02:46,744 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 14:02:46,744 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 67 states, 67 states have (on average 1.1492537313432836) internal successors, (77), 67 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 14:02:46,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:02:46,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:02:46,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:02:46,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:02:46,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:02:46,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:02:46,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:02:46,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 14:02:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:02:46,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 14:02:46,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 14:02:46,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 14:02:46,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 14:02:46,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:02:46,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 14:02:49,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 14:02:49,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 14:02:49,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 14:02:49,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:02:49,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 14:02:49,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 14:02:49,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 14:02:49,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:02:49,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 14:02:49,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 14:02:49,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 14:02:49,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:02:49,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 14:02:49,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 14:02:49,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 14:02:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:02:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 14:02:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 14:02:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 14:02:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 14:02:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 14:02:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:02:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 14:02:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 14:02:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 14:02:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 14:02:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:02:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 14:02:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 14:02:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 14:02:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 14:02:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 14:02:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-10 14:02:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 14:02:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 14:02:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 14:02:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 14:02:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 14:02:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 14:02:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 14:02:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 14:02:49,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 14:02:49,227 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable761 [2021-07-10 14:02:49,227 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 14:02:49,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 14:02:49,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1142992288, now seen corresponding path program 41 times [2021-07-10 14:02:49,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 14:02:49,228 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498830268] [2021-07-10 14:02:49,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 14:02:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 14:02:51,953 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 14:02:51,953 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 14:02:51,953 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498830268] [2021-07-10 14:02:51,953 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498830268] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 14:02:51,953 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197007216] [2021-07-10 14:02:51,953 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 14:02:52,080 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-07-10 14:02:52,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 14:02:52,085 WARN L261 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 257 conjunts are in the unsatisfiable core [2021-07-10 14:02:52,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 14:02:56,038 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-07-10 14:02:56,583 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-07-10 14:02:57,670 WARN L205 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 216 [2021-07-10 14:02:58,804 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 216 [2021-07-10 14:02:59,703 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 216 [2021-07-10 14:03:00,646 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 216 [2021-07-10 14:03:01,696 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 216 [2021-07-10 14:03:02,689 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 216 [2021-07-10 14:03:03,836 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 216 [2021-07-10 14:03:05,063 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 216 [2021-07-10 14:03:06,255 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 216 [2021-07-10 14:03:07,568 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 216 [2021-07-10 14:03:08,574 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 216 [2021-07-10 14:03:09,640 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 216 [2021-07-10 14:03:10,586 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-10 14:03:10,587 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-07-10 14:03:10,787 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable763 [2021-07-10 14:03:10,788 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:184) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:597) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 53 more [2021-07-10 14:03:10,792 INFO L168 Benchmark]: Toolchain (without parser) took 323144.04 ms. Allocated memory was 182.5 MB in the beginning and 457.2 MB in the end (delta: 274.7 MB). Free memory was 161.0 MB in the beginning and 334.8 MB in the end (delta: -173.8 MB). Peak memory consumption was 321.0 MB. Max. memory is 8.0 GB. [2021-07-10 14:03:10,792 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.06 ms. Allocated memory is still 182.5 MB. Free memory was 162.3 MB in the beginning and 162.2 MB in the end (delta: 106.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 14:03:10,792 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.33 ms. Allocated memory is still 182.5 MB. Free memory was 161.0 MB in the beginning and 159.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 14:03:10,793 INFO L168 Benchmark]: Boogie Preprocessor took 18.78 ms. Allocated memory is still 182.5 MB. Free memory was 159.4 MB in the beginning and 158.5 MB in the end (delta: 939.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 14:03:10,793 INFO L168 Benchmark]: RCFGBuilder took 296.69 ms. Allocated memory is still 182.5 MB. Free memory was 158.5 MB in the beginning and 141.4 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2021-07-10 14:03:10,793 INFO L168 Benchmark]: TraceAbstraction took 322794.75 ms. Allocated memory was 182.5 MB in the beginning and 457.2 MB in the end (delta: 274.7 MB). Free memory was 141.0 MB in the beginning and 334.8 MB in the end (delta: -193.8 MB). Peak memory consumption was 301.1 MB. Max. memory is 8.0 GB. [2021-07-10 14:03:10,793 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 1.06 ms. Allocated memory is still 182.5 MB. Free memory was 162.3 MB in the beginning and 162.2 MB in the end (delta: 106.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 29.33 ms. Allocated memory is still 182.5 MB. Free memory was 161.0 MB in the beginning and 159.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 18.78 ms. Allocated memory is still 182.5 MB. Free memory was 159.4 MB in the beginning and 158.5 MB in the end (delta: 939.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 296.69 ms. Allocated memory is still 182.5 MB. Free memory was 158.5 MB in the beginning and 141.4 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 322794.75 ms. Allocated memory was 182.5 MB in the beginning and 457.2 MB in the end (delta: 274.7 MB). Free memory was 141.0 MB in the beginning and 334.8 MB in the end (delta: -193.8 MB). Peak memory consumption was 301.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...