/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 02:09:54,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 02:09:54,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 02:09:54,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 02:09:54,561 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2021-07-10 02:09:54,589 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 02:09:54,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 02:09:54,590 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 02:09:54,590 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 02:09:54,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 02:09:54,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 02:09:54,593 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 02:09:54,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 02:09:54,593 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 02:09:54,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 02:09:54,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 02:09:54,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 02:09:54,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 02:09:54,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 02:09:54,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 02:09:54,594 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 02:09:54,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 02:09:54,595 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 02:09:54,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 02:09:54,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 02:09:54,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 02:09:54,595 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 02:09:54,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 02:09:54,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 02:09:54,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 02:09:54,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 02:09:54,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 02:09:54,596 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 02:09:54,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 02:09:54,596 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 02:09:54,596 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 02:09:54,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 02:09:54,597 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-10 02:09:54,597 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 02:09:54,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 02:09:54,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 02:09:54,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 02:09:54,875 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 02:09:54,876 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 02:09:54,877 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl [2021-07-10 02:09:54,877 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl' [2021-07-10 02:09:54,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 02:09:54,908 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 02:09:54,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 02:09:54,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 02:09:54,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 02:09:54,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:09:54" (1/1) ... [2021-07-10 02:09:54,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:09:54" (1/1) ... [2021-07-10 02:09:54,930 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 02:09:54,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 02:09:54,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 02:09:54,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 02:09:54,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:09:54" (1/1) ... [2021-07-10 02:09:54,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:09:54" (1/1) ... [2021-07-10 02:09:54,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:09:54" (1/1) ... [2021-07-10 02:09:54,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:09:54" (1/1) ... [2021-07-10 02:09:54,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:09:54" (1/1) ... [2021-07-10 02:09:54,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:09:54" (1/1) ... [2021-07-10 02:09:54,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:09:54" (1/1) ... [2021-07-10 02:09:54,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 02:09:54,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 02:09:54,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 02:09:54,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 02:09:54,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:09:54" (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 02:09:55,045 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 02:09:55,045 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 02:09:55,045 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 02:09:55,045 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 02:09:55,046 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 02:09:55,046 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 02:09:55,046 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 02:09:55,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 02:09:55,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 02:09:55,047 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 02:09:55,047 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 02:09:55,047 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 02:09:55,048 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 02:09:55,329 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 02:09:55,329 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 02:09:55,331 INFO L202 PluginConnector]: Adding new model ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:09:55 BoogieIcfgContainer [2021-07-10 02:09:55,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 02:09:55,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 02:09:55,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 02:09:55,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 02:09:55,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:09:54" (1/2) ... [2021-07-10 02:09:55,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@116fa77d and model type ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:09:55, skipping insertion in model container [2021-07-10 02:09:55,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:09:55" (2/2) ... [2021-07-10 02:09:55,336 INFO L111 eAbstractionObserver]: Analyzing ICFG ring-nondet.wvr.bpl [2021-07-10 02:09:55,339 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 02:09:55,340 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 02:09:55,340 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 02:09:55,340 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 02:09:55,401 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-10 02:09:55,434 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 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 02:09:55,470 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 02:09:55,470 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 02:09:55,470 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 02:09:55,470 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 02:09:55,470 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 02:09:55,470 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 02:09:55,470 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 02:09:55,470 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 02:09:55,574 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:09:55,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:09:55,577 INFO L82 PathProgramCache]: Analyzing trace with hash -838814465, now seen corresponding path program 1 times [2021-07-10 02:09:55,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:09:55,586 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183465668] [2021-07-10 02:09:55,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:09:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:09:55,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 02:09:55,720 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:09:55,720 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183465668] [2021-07-10 02:09:55,721 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183465668] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 02:09:55,721 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 02:09:55,721 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 02:09:55,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985306009] [2021-07-10 02:09:55,724 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 02:09:55,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:09:55,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 02:09:55,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 02:09:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:09:55,752 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:09:55,753 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 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 02:09:55,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:09:55,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:09:55,785 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 02:09:55,785 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:09:55,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:09:55,786 INFO L82 PathProgramCache]: Analyzing trace with hash -207610783, now seen corresponding path program 2 times [2021-07-10 02:09:55,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:09:55,787 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317748438] [2021-07-10 02:09:55,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:09:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:09:55,868 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 02:09:55,869 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:09:55,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317748438] [2021-07-10 02:09:55,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317748438] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:09:55,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224258162] [2021-07-10 02:09:55,869 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 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 02:09:55,955 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 02:09:55,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:09:55,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-10 02:09:55,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:09:56,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-07-10 02:09:56,294 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:09:56,317 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:09:56,318 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 02:09:56,318 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2021-07-10 02:09:56,396 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 02:09:56,396 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [224258162] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:09:56,396 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:09:56,396 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-07-10 02:09:56,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327559764] [2021-07-10 02:09:56,397 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 02:09:56,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:09:56,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 02:09:56,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-10 02:09:56,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:09:56,398 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:09:56,398 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 10 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 02:09:56,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:09:56,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:09:56,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:09:56,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:09:56,795 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:09:56,796 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:09:56,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:09:56,797 INFO L82 PathProgramCache]: Analyzing trace with hash -701174841, now seen corresponding path program 3 times [2021-07-10 02:09:56,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:09:56,797 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385941442] [2021-07-10 02:09:56,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:09:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:09:57,201 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-10 02:09:57,202 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:09:57,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385941442] [2021-07-10 02:09:57,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385941442] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:09:57,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014230440] [2021-07-10 02:09:57,204 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 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 02:09:57,275 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-10 02:09:57,276 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:09:57,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 02:09:57,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:09:57,465 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-10 02:09:57,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 10 [2021-07-10 02:09:57,468 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:09:57,471 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:09:57,472 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:09:57,472 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:9 [2021-07-10 02:09:57,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 02:09:57,576 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:09:57,577 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:09:57,577 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:09:57,578 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-10 02:09:57,626 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 02:09:57,626 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014230440] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:09:57,626 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:09:57,626 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 25 [2021-07-10 02:09:57,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491690500] [2021-07-10 02:09:57,627 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-10 02:09:57,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:09:57,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-10 02:09:57,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=566, Unknown=0, NotChecked=0, Total=650 [2021-07-10 02:09:57,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:09:57,628 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:09:57,628 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 3.6923076923076925) internal successors, (96), 25 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 02:09:57,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:09:57,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:09:57,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:09:58,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:09:58,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:09:58,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:09:58,794 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:09:58,795 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:09:58,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:09:58,796 INFO L82 PathProgramCache]: Analyzing trace with hash -134283570, now seen corresponding path program 4 times [2021-07-10 02:09:58,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:09:58,796 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81965502] [2021-07-10 02:09:58,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:09:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:09:59,213 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 8 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:09:59,213 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:09:59,214 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81965502] [2021-07-10 02:09:59,214 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81965502] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:09:59,214 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965408722] [2021-07-10 02:09:59,214 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 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 02:09:59,306 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 02:09:59,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:09:59,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 02:09:59,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:09:59,439 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-10 02:09:59,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2021-07-10 02:09:59,441 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:09:59,443 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:09:59,444 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:09:59,444 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:9 [2021-07-10 02:09:59,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 02:09:59,531 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:09:59,532 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:09:59,532 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:09:59,532 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-10 02:09:59,570 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-10 02:09:59,570 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965408722] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:09:59,571 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:09:59,571 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 11] total 29 [2021-07-10 02:09:59,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299375781] [2021-07-10 02:09:59,571 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-10 02:09:59,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:09:59,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-10 02:09:59,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=764, Unknown=0, NotChecked=0, Total=870 [2021-07-10 02:09:59,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:09:59,572 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:09:59,572 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.6) internal successors, (108), 29 states have internal predecessors, (108), 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 02:09:59,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:09:59,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:09:59,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:09:59,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:10:00,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:10:00,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:10:00,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:10:00,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:10:00,764 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:10:00,765 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:10:00,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:10:00,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1948281524, now seen corresponding path program 5 times [2021-07-10 02:10:00,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:10:00,765 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369444753] [2021-07-10 02:10:00,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:10:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:10:01,032 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-07-10 02:10:01,033 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:10:01,034 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369444753] [2021-07-10 02:10:01,034 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369444753] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:10:01,034 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337039210] [2021-07-10 02:10:01,034 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 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 02:10:01,102 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-07-10 02:10:01,102 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:10:01,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-10 02:10:01,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:10:01,297 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-07-10 02:10:01,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 13 [2021-07-10 02:10:01,301 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:01,303 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:01,304 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:10:01,304 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:9 [2021-07-10 02:10:01,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 02:10:01,411 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:01,412 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:01,413 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:10:01,413 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-10 02:10:01,458 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-10 02:10:01,459 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337039210] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:10:01,459 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:10:01,459 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 26 [2021-07-10 02:10:01,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186098793] [2021-07-10 02:10:01,460 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-10 02:10:01,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:10:01,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-10 02:10:01,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=619, Unknown=0, NotChecked=0, Total=702 [2021-07-10 02:10:01,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:10:01,467 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:10:01,468 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 3.962962962962963) internal successors, (107), 26 states have internal predecessors, (107), 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 02:10:01,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:10:01,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:10:01,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:10:01,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:10:01,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:10:02,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:10:02,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:10:02,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:10:02,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:10:02,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 02:10:02,443 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-07-10 02:10:02,444 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:10:02,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:10:02,444 INFO L82 PathProgramCache]: Analyzing trace with hash -327852031, now seen corresponding path program 6 times [2021-07-10 02:10:02,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:10:02,444 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639084524] [2021-07-10 02:10:02,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:10:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:10:02,872 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 9 proven. 102 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-07-10 02:10:02,872 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:10:02,873 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639084524] [2021-07-10 02:10:02,873 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639084524] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:10:02,873 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717957093] [2021-07-10 02:10:02,873 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 02:10:02,951 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-07-10 02:10:02,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:10:02,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-10 02:10:02,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:10:03,275 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-07-10 02:10:03,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 16 [2021-07-10 02:10:03,278 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:03,281 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:03,282 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:10:03,282 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:9 [2021-07-10 02:10:03,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 02:10:03,530 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:03,531 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:03,531 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:10:03,531 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-10 02:10:03,611 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-10 02:10:03,611 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717957093] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:10:03,612 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:10:03,612 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 20] total 34 [2021-07-10 02:10:03,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742917919] [2021-07-10 02:10:03,612 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-10 02:10:03,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:10:03,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-10 02:10:03,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1071, Unknown=0, NotChecked=0, Total=1190 [2021-07-10 02:10:03,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:10:03,613 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:10:03,613 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.5142857142857142) internal successors, (123), 34 states have internal predecessors, (123), 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 02:10:03,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:10:03,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:10:03,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:10:03,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:10:03,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 02:10:03,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:10:06,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:10:06,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:10:06,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:10:06,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:10:06,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:10:06,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:10:06,366 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:10:06,367 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:10:06,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:10:06,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1787234547, now seen corresponding path program 7 times [2021-07-10 02:10:06,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:10:06,368 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474761347] [2021-07-10 02:10:06,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:10:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:10:06,502 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 144 proven. 16 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-07-10 02:10:06,502 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:10:06,502 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474761347] [2021-07-10 02:10:06,503 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474761347] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:10:06,503 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979932178] [2021-07-10 02:10:06,503 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 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 02:10:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:10:06,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 02:10:06,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:10:06,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:06,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:06,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:06,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:06,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:06,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:06,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2021-07-10 02:10:06,707 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:06,708 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:06,709 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:10:06,709 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:5 [2021-07-10 02:10:06,764 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 144 proven. 16 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-07-10 02:10:06,764 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979932178] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:10:06,765 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:10:06,765 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 13 [2021-07-10 02:10:06,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155951357] [2021-07-10 02:10:06,765 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 02:10:06,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:10:06,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 02:10:06,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2021-07-10 02:10:06,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:10:06,766 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:10:06,766 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 13 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 02:10:06,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:10:06,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:10:06,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:10:06,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:10:06,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:10:06,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:10:06,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:10:06,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:10:06,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:10:06,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:10:06,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:10:06,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:10:06,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:10:06,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:10:07,036 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:10:07,037 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:10:07,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:10:07,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1022776597, now seen corresponding path program 8 times [2021-07-10 02:10:07,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:10:07,037 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700366287] [2021-07-10 02:10:07,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:10:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:10:07,467 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 1 proven. 237 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-10 02:10:07,468 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:10:07,468 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700366287] [2021-07-10 02:10:07,468 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700366287] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:10:07,468 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294045223] [2021-07-10 02:10:07,468 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 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 02:10:07,529 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 02:10:07,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:10:07,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-10 02:10:07,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:10:08,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:08,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:08,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:08,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:08,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:08,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:10:08,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:08,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:08,034 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 36 treesize of output 16 [2021-07-10 02:10:08,035 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:08,040 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:08,041 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:10:08,042 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:47, output treesize:9 [2021-07-10 02:10:08,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 02:10:08,121 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:08,122 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:08,122 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:10:08,122 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-10 02:10:08,132 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-10 02:10:08,132 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294045223] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:10:08,132 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:10:08,132 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 19] total 34 [2021-07-10 02:10:08,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634216086] [2021-07-10 02:10:08,133 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-10 02:10:08,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:10:08,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-10 02:10:08,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1067, Unknown=0, NotChecked=0, Total=1190 [2021-07-10 02:10:08,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:10:08,135 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:10:08,135 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.3714285714285714) internal successors, (118), 34 states have internal predecessors, (118), 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 02:10:08,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:10:08,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:10:08,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:10:08,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:10:08,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:10:08,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:10:08,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:10:08,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:10:09,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:10:09,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:10:09,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:10:09,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:10:09,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:10:09,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:10:09,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:10:09,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 02:10:09,533 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-10 02:10:09,534 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:10:09,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:10:09,535 INFO L82 PathProgramCache]: Analyzing trace with hash 75168601, now seen corresponding path program 9 times [2021-07-10 02:10:09,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:10:09,536 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014723657] [2021-07-10 02:10:09,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:10:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:10:10,070 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 21 proven. 238 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-10 02:10:10,071 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:10:10,071 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014723657] [2021-07-10 02:10:10,071 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014723657] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:10:10,071 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862374092] [2021-07-10 02:10:10,071 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 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 02:10:10,191 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2021-07-10 02:10:10,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:10:10,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 45 conjunts are in the unsatisfiable core [2021-07-10 02:10:10,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:10:10,682 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-07-10 02:10:10,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 39 treesize of output 19 [2021-07-10 02:10:10,684 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:10,687 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:10,688 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:10:10,688 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:44, output treesize:9 [2021-07-10 02:10:10,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 02:10:10,930 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:10,931 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:10,932 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:10:10,932 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-10 02:10:10,943 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 0 proven. 259 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-10 02:10:10,943 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862374092] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:10:10,943 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:10:10,943 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 43 [2021-07-10 02:10:10,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055913797] [2021-07-10 02:10:10,944 INFO L462 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-07-10 02:10:10,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:10:10,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-07-10 02:10:10,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=1700, Unknown=0, NotChecked=0, Total=1892 [2021-07-10 02:10:10,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:10:10,945 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:10:10,945 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 3.5) internal successors, (154), 43 states have internal predecessors, (154), 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 02:10:10,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:10:10,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:10:10,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:10:10,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:10:10,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:10:10,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:10:10,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:10:10,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 02:10:10,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:10:12,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:10:12,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:10:12,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:10:12,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:10:12,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:10:12,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:10:12,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:10:12,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 02:10:12,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:10:12,513 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:10:12,514 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:10:12,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:10:12,514 INFO L82 PathProgramCache]: Analyzing trace with hash 532129726, now seen corresponding path program 10 times [2021-07-10 02:10:12,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:10:12,514 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844420236] [2021-07-10 02:10:12,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:10:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:10:13,124 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-10 02:10:13,124 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:10:13,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844420236] [2021-07-10 02:10:13,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844420236] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:10:13,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837603202] [2021-07-10 02:10:13,124 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 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 02:10:13,226 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 02:10:13,226 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:10:13,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 69 conjunts are in the unsatisfiable core [2021-07-10 02:10:13,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:10:14,794 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-07-10 02:10:14,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:14,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2021-07-10 02:10:14,995 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:15,000 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-10 02:10:15,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 31 [2021-07-10 02:10:15,001 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:15,055 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:15,057 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 02:10:15,057 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:241, output treesize:193 [2021-07-10 02:10:15,606 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2021-07-10 02:10:16,006 INFO L446 ElimStorePlain]: Different costs {1=[v_prenex_9, q3, v_prenex_2, v_prenex_6], 45=[v_prenex_8, q1]} [2021-07-10 02:10:16,015 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-10 02:10:16,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 22 [2021-07-10 02:10:16,017 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:16,159 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-07-10 02:10:16,159 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:16,167 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-10 02:10:16,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2021-07-10 02:10:16,168 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:16,298 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-07-10 02:10:16,299 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:16,311 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-10 02:10:16,312 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 24 [2021-07-10 02:10:16,313 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:16,431 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-07-10 02:10:16,432 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:16,439 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-10 02:10:16,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 24 [2021-07-10 02:10:16,440 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:16,552 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-07-10 02:10:16,553 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:16,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:16,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 36 [2021-07-10 02:10:16,614 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:16,622 INFO L354 Elim1Store]: treesize reduction 522, result has 0.2 percent of original size [2021-07-10 02:10:16,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 78 treesize of output 36 [2021-07-10 02:10:16,626 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:16,672 INFO L628 ElimStorePlain]: treesize reduction 170, result has 19.4 percent of original size [2021-07-10 02:10:16,672 INFO L518 ElimStorePlain]: Eliminatee q1 vanished before elimination [2021-07-10 02:10:16,673 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 02:10:16,673 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:441, output treesize:37 [2021-07-10 02:10:16,826 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-07-10 02:10:16,827 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837603202] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:10:16,827 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:10:16,827 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 56 [2021-07-10 02:10:16,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674413044] [2021-07-10 02:10:16,827 INFO L462 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-07-10 02:10:16,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:10:16,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-07-10 02:10:16,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=3019, Unknown=0, NotChecked=0, Total=3192 [2021-07-10 02:10:16,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:10:16,829 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:10:16,829 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 3.3859649122807016) internal successors, (193), 56 states have internal predecessors, (193), 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 02:10:16,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:10:16,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:10:16,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:10:16,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:10:16,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:10:16,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:10:16,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:10:16,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 02:10:16,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:10:16,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:10:19,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:10:19,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:10:19,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:10:19,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:10:19,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:10:19,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:10:19,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:10:19,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 02:10:19,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:10:19,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 02:10:19,599 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:10:19,600 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:10:19,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:10:19,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1380372833, now seen corresponding path program 11 times [2021-07-10 02:10:19,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:10:19,600 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705788992] [2021-07-10 02:10:19,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:10:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:10:20,346 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 461 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-10 02:10:20,347 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:10:20,347 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705788992] [2021-07-10 02:10:20,347 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705788992] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:10:20,347 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082245569] [2021-07-10 02:10:20,347 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 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 02:10:20,425 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2021-07-10 02:10:20,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:10:20,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-10 02:10:20,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:10:21,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:10:21,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:21,950 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 62 treesize of output 28 [2021-07-10 02:10:21,953 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:21,958 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:21,959 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:10:21,959 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:77, output treesize:9 [2021-07-10 02:10:22,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 02:10:22,089 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:22,090 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:22,090 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:10:22,090 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-10 02:10:22,100 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-10 02:10:22,100 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082245569] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:10:22,100 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:10:22,100 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32] total 53 [2021-07-10 02:10:22,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759662001] [2021-07-10 02:10:22,100 INFO L462 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-07-10 02:10:22,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:10:22,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-07-10 02:10:22,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=2725, Unknown=0, NotChecked=0, Total=2862 [2021-07-10 02:10:22,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:10:22,102 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:10:22,102 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 54 states, 54 states have (on average 3.1666666666666665) internal successors, (171), 53 states have internal predecessors, (171), 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 02:10:22,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:10:22,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:10:22,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:10:22,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:10:22,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:10:22,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:10:22,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:10:22,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 02:10:22,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:10:22,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 02:10:22,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:10:24,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:10:24,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:10:24,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:10:24,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:10:24,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:10:24,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:10:24,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:10:24,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 02:10:24,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:10:24,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 02:10:24,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 02:10:24,725 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-07-10 02:10:24,728 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:10:24,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:10:24,728 INFO L82 PathProgramCache]: Analyzing trace with hash 2473954, now seen corresponding path program 12 times [2021-07-10 02:10:24,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:10:24,729 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078567669] [2021-07-10 02:10:24,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:10:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:10:25,622 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 544 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-10 02:10:25,622 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:10:25,623 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078567669] [2021-07-10 02:10:25,623 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078567669] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:10:25,623 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414460642] [2021-07-10 02:10:25,623 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 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 02:10:25,714 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2021-07-10 02:10:25,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:10:25,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 67 conjunts are in the unsatisfiable core [2021-07-10 02:10:25,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:10:27,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:10:27,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:27,908 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 68 treesize of output 34 [2021-07-10 02:10:27,911 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:27,916 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:27,918 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:10:27,918 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:83, output treesize:13 [2021-07-10 02:10:28,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 02:10:28,156 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:28,158 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:28,158 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:10:28,158 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-10 02:10:28,169 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 02:10:28,170 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414460642] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:10:28,170 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:10:28,170 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 38] total 65 [2021-07-10 02:10:28,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313831984] [2021-07-10 02:10:28,170 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-07-10 02:10:28,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:10:28,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-07-10 02:10:28,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=4125, Unknown=0, NotChecked=0, Total=4290 [2021-07-10 02:10:28,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:10:28,172 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:10:28,172 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 3.212121212121212) internal successors, (212), 65 states have internal predecessors, (212), 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 02:10:28,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:10:28,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:10:28,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:10:28,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:10:28,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:10:28,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:10:28,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:10:28,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 02:10:28,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:10:28,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 02:10:28,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 02:10:28,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:10:31,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:10:31,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:10:31,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:10:31,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:10:31,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:10:31,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:10:31,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:10:31,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 02:10:31,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:10:31,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 02:10:31,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 02:10:31,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 02:10:31,470 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:10:31,470 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:10:31,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:10:31,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1428666431, now seen corresponding path program 13 times [2021-07-10 02:10:31,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:10:31,471 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439475782] [2021-07-10 02:10:31,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:10:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:10:31,649 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 358 proven. 64 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-07-10 02:10:31,649 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:10:31,650 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439475782] [2021-07-10 02:10:31,650 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439475782] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:10:31,650 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652915714] [2021-07-10 02:10:31,650 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 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 02:10:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:10:31,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 02:10:31,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:10:31,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:31,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 25 [2021-07-10 02:10:31,871 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:31,872 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:31,872 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:10:31,872 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:62, output treesize:5 [2021-07-10 02:10:31,974 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 358 proven. 64 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-07-10 02:10:31,975 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652915714] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:10:31,976 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:10:31,976 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 25 [2021-07-10 02:10:31,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954429000] [2021-07-10 02:10:31,976 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-10 02:10:31,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:10:31,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-10 02:10:31,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=430, Unknown=0, NotChecked=0, Total=650 [2021-07-10 02:10:31,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:10:31,978 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:10:31,978 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.115384615384615) internal successors, (107), 25 states have internal predecessors, (107), 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 02:10:31,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:10:31,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:10:31,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:10:31,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:10:31,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:10:31,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:10:31,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:10:31,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 02:10:31,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:10:31,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 02:10:31,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 02:10:31,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 02:10:31,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:10:32,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:10:32,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:10:32,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:10:32,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:10:32,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:10:32,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:10:32,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:10:32,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 02:10:32,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:10:32,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 02:10:32,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 02:10:32,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 02:10:32,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 02:10:32,365 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-07-10 02:10:32,366 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:10:32,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:10:32,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1593357089, now seen corresponding path program 14 times [2021-07-10 02:10:32,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:10:32,366 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156008009] [2021-07-10 02:10:32,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:10:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:10:33,252 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 87 proven. 576 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-10 02:10:33,252 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:10:33,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156008009] [2021-07-10 02:10:33,253 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156008009] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:10:33,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171286171] [2021-07-10 02:10:33,253 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 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 02:10:33,329 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 02:10:33,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:10:33,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 71 conjunts are in the unsatisfiable core [2021-07-10 02:10:33,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:10:34,489 INFO L354 Elim1Store]: treesize reduction 432, result has 0.2 percent of original size [2021-07-10 02:10:34,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 71 treesize of output 31 [2021-07-10 02:10:34,491 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:34,493 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:34,494 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:10:34,494 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:76, output treesize:9 [2021-07-10 02:10:34,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-07-10 02:10:34,604 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:34,605 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:34,605 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:10:34,605 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2021-07-10 02:10:34,616 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 0 proven. 663 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-10 02:10:34,616 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171286171] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:10:34,616 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:10:34,616 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 39] total 67 [2021-07-10 02:10:34,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350426292] [2021-07-10 02:10:34,618 INFO L462 AbstractCegarLoop]: Interpolant automaton has 68 states [2021-07-10 02:10:34,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:10:34,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2021-07-10 02:10:34,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=419, Invalid=4137, Unknown=0, NotChecked=0, Total=4556 [2021-07-10 02:10:34,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:10:34,619 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:10:34,619 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 68 states, 68 states have (on average 3.0441176470588234) internal successors, (207), 67 states have internal predecessors, (207), 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 02:10:34,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:10:34,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:10:34,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:10:34,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:10:34,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:10:34,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:10:34,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:10:34,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 02:10:34,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:10:34,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 02:10:34,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 02:10:34,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 02:10:34,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 02:10:34,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:10:37,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:10:37,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:10:37,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:10:37,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:10:37,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:10:37,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:10:37,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:10:37,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 02:10:37,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:10:37,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 02:10:37,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 02:10:37,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 02:10:37,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 02:10:37,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 02:10:37,542 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:10:37,542 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:10:37,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:10:37,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1450968570, now seen corresponding path program 15 times [2021-07-10 02:10:37,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:10:37,543 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463236060] [2021-07-10 02:10:37,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:10:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:10:38,722 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 0 proven. 794 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-10 02:10:38,723 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:10:38,723 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463236060] [2021-07-10 02:10:38,723 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463236060] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:10:38,723 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337590340] [2021-07-10 02:10:38,723 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 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 02:10:38,833 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2021-07-10 02:10:38,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:10:38,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 74 conjunts are in the unsatisfiable core [2021-07-10 02:10:38,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:10:41,044 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2021-07-10 02:10:41,416 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2021-07-10 02:10:41,807 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2021-07-10 02:10:42,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:42,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2021-07-10 02:10:42,039 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:42,045 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-10 02:10:42,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 31 [2021-07-10 02:10:42,047 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:42,125 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:42,127 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 02:10:42,127 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:297, output treesize:249 [2021-07-10 02:10:43,003 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-07-10 02:10:43,328 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-07-10 02:10:43,527 INFO L446 ElimStorePlain]: Different costs {1=[q3, v_prenex_13, v_prenex_11, v_prenex_18, v_prenex_15], 91=[v_prenex_17], 105=[q1]} [2021-07-10 02:10:43,536 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-10 02:10:43,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 20 [2021-07-10 02:10:43,537 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:43,775 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2021-07-10 02:10:43,776 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:43,784 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-10 02:10:43,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2021-07-10 02:10:43,786 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:44,016 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2021-07-10 02:10:44,017 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:44,026 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-10 02:10:44,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 18 [2021-07-10 02:10:44,027 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:44,253 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2021-07-10 02:10:44,254 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:44,262 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-10 02:10:44,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 20 [2021-07-10 02:10:44,263 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:44,478 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-07-10 02:10:44,478 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:44,486 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-10 02:10:44,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2021-07-10 02:10:44,488 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:44,693 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-07-10 02:10:44,693 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:44,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,802 INFO L244 Elim1Store]: Index analysis took 104 ms [2021-07-10 02:10:44,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 53 [2021-07-10 02:10:44,808 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:44,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:44,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 53 [2021-07-10 02:10:44,879 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:45,020 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-07-10 02:10:45,021 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:45,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,131 INFO L244 Elim1Store]: Index analysis took 107 ms [2021-07-10 02:10:45,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 53 [2021-07-10 02:10:45,137 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:45,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:45,250 INFO L244 Elim1Store]: Index analysis took 109 ms [2021-07-10 02:10:45,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 53 [2021-07-10 02:10:45,255 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:45,263 INFO L354 Elim1Store]: treesize reduction 1260, result has 0.1 percent of original size [2021-07-10 02:10:45,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 115 treesize of output 51 [2021-07-10 02:10:45,268 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:45,308 INFO L628 ElimStorePlain]: treesize reduction 28, result has 63.2 percent of original size [2021-07-10 02:10:45,309 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 7 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 02:10:45,309 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 12 variables, input treesize:711, output treesize:48 [2021-07-10 02:10:45,712 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 8 proven. 490 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2021-07-10 02:10:45,712 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337590340] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:10:45,712 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:10:45,712 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 31] total 75 [2021-07-10 02:10:45,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305135108] [2021-07-10 02:10:45,713 INFO L462 AbstractCegarLoop]: Interpolant automaton has 76 states [2021-07-10 02:10:45,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:10:45,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2021-07-10 02:10:45,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=5443, Unknown=0, NotChecked=0, Total=5700 [2021-07-10 02:10:45,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:10:45,714 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:10:45,714 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 76 states, 76 states have (on average 3.0789473684210527) internal successors, (234), 75 states have internal predecessors, (234), 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 02:10:45,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:10:45,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:10:45,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:10:45,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:10:45,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:10:45,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:10:45,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:10:45,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 02:10:45,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:10:45,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 02:10:45,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 02:10:45,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 02:10:45,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 02:10:45,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 02:10:45,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:10:49,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:10:49,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:10:49,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:10:49,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:10:49,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:10:49,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:10:49,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:10:49,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 02:10:49,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:10:49,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 02:10:49,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 02:10:49,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 02:10:49,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 02:10:49,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 02:10:49,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 02:10:50,143 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-07-10 02:10:50,143 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:10:50,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:10:50,143 INFO L82 PathProgramCache]: Analyzing trace with hash 533773927, now seen corresponding path program 16 times [2021-07-10 02:10:50,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:10:50,143 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135801804] [2021-07-10 02:10:50,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:10:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:10:51,542 INFO L134 CoverageAnalysis]: Checked inductivity of 978 backedges. 0 proven. 969 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-10 02:10:51,542 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:10:51,542 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135801804] [2021-07-10 02:10:51,542 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135801804] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:10:51,542 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685544326] [2021-07-10 02:10:51,542 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 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 02:10:51,623 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 02:10:51,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:10:51,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 81 conjunts are in the unsatisfiable core [2021-07-10 02:10:51,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:10:55,022 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:10:55,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:10:55,055 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 83 treesize of output 37 [2021-07-10 02:10:55,058 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:55,063 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:55,064 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:10:55,064 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:9 [2021-07-10 02:10:55,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 02:10:55,238 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:10:55,239 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:10:55,239 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:10:55,239 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-10 02:10:55,249 INFO L134 CoverageAnalysis]: Checked inductivity of 978 backedges. 0 proven. 969 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-10 02:10:55,250 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685544326] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:10:55,250 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:10:55,250 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 47] total 80 [2021-07-10 02:10:55,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421090658] [2021-07-10 02:10:55,250 INFO L462 AbstractCegarLoop]: Interpolant automaton has 81 states [2021-07-10 02:10:55,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:10:55,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2021-07-10 02:10:55,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=6280, Unknown=0, NotChecked=0, Total=6480 [2021-07-10 02:10:55,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:10:55,252 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:10:55,252 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 81 states, 81 states have (on average 3.037037037037037) internal successors, (246), 80 states have internal predecessors, (246), 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 02:10:55,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:10:55,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:10:55,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:10:55,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:10:55,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:10:55,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:10:55,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:10:55,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 02:10:55,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:10:55,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 02:10:55,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 02:10:55,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 02:10:55,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 02:10:55,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 02:10:55,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 02:10:55,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:11:00,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:11:00,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:11:00,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:11:00,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:11:00,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:11:00,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:11:00,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:11:00,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 02:11:00,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:11:00,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 02:11:00,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 02:11:00,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 02:11:00,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 02:11:00,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 02:11:00,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 02:11:00,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 02:11:00,439 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-07-10 02:11:00,439 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:11:00,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:11:00,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1610656214, now seen corresponding path program 17 times [2021-07-10 02:11:00,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:11:00,440 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671923817] [2021-07-10 02:11:00,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:11:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:11:02,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 1092 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-10 02:11:02,073 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:11:02,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671923817] [2021-07-10 02:11:02,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671923817] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:11:02,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74650680] [2021-07-10 02:11:02,073 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 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 02:11:02,177 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2021-07-10 02:11:02,177 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:11:02,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 88 conjunts are in the unsatisfiable core [2021-07-10 02:11:02,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:11:05,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 02:11:05,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:05,739 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 90 treesize of output 40 [2021-07-10 02:11:05,742 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:11:05,745 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:11:05,746 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:11:05,746 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:105, output treesize:9 [2021-07-10 02:11:05,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 02:11:05,876 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:11:05,877 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:11:05,877 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:11:05,877 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-10 02:11:05,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 1092 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-10 02:11:05,885 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74650680] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:11:05,885 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:11:05,885 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 51] total 87 [2021-07-10 02:11:05,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375257913] [2021-07-10 02:11:05,886 INFO L462 AbstractCegarLoop]: Interpolant automaton has 88 states [2021-07-10 02:11:05,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:11:05,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-07-10 02:11:05,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=7438, Unknown=0, NotChecked=0, Total=7656 [2021-07-10 02:11:05,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:11:05,888 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:11:05,888 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 88 states, 88 states have (on average 2.9886363636363638) internal successors, (263), 87 states have internal predecessors, (263), 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 02:11:05,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:11:05,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:11:05,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:11:05,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:11:05,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:11:05,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:11:05,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:11:05,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 02:11:05,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:11:05,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 02:11:05,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 02:11:05,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 02:11:05,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 02:11:05,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 02:11:05,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 02:11:05,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 02:11:05,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:11:10,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:11:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:11:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:11:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:11:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:11:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:11:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:11:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 02:11:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:11:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 02:11:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 02:11:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 02:11:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 02:11:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 02:11:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 02:11:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 02:11:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 02:11:10,792 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:11:10,793 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:11:10,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:11:10,793 INFO L82 PathProgramCache]: Analyzing trace with hash 2054374407, now seen corresponding path program 18 times [2021-07-10 02:11:10,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:11:10,793 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314337598] [2021-07-10 02:11:10,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:11:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:11:11,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 652 proven. 144 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2021-07-10 02:11:11,060 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:11:11,060 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314337598] [2021-07-10 02:11:11,060 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314337598] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:11:11,060 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625785353] [2021-07-10 02:11:11,060 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 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 02:11:11,251 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) [2021-07-10 02:11:11,252 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:11:11,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-10 02:11:11,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:11:11,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:11,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 66 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 37 [2021-07-10 02:11:11,559 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:11:11,561 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:11:11,561 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:11:11,561 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:5 [2021-07-10 02:11:11,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 652 proven. 144 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2021-07-10 02:11:11,691 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625785353] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:11:11,691 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:11:11,691 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 26] total 37 [2021-07-10 02:11:11,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821179325] [2021-07-10 02:11:11,691 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-10 02:11:11,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:11:11,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-10 02:11:11,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=450, Invalid=956, Unknown=0, NotChecked=0, Total=1406 [2021-07-10 02:11:11,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:11:11,692 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:11:11,692 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 3.763157894736842) internal successors, (143), 37 states have internal predecessors, (143), 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 02:11:11,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:11:11,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:11:11,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:11:11,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:11:11,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:11:11,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:11:11,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:11:11,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 02:11:11,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:11:11,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 02:11:11,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 02:11:11,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 02:11:11,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 02:11:11,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 02:11:11,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 02:11:11,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 02:11:11,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 02:11:11,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:11:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:11:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:11:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:11:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:11:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:11:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:11:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:11:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 02:11:11,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:11:11,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 02:11:11,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 02:11:11,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 02:11:11,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 02:11:11,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 02:11:11,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 02:11:11,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 02:11:11,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 02:11:11,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 02:11:12,116 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable61 [2021-07-10 02:11:12,116 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:11:12,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:11:12,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1675480343, now seen corresponding path program 19 times [2021-07-10 02:11:12,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:11:12,117 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029646174] [2021-07-10 02:11:12,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:11:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:11:13,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1267 backedges. 0 proven. 1259 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-10 02:11:13,792 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:11:13,792 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029646174] [2021-07-10 02:11:13,792 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029646174] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:11:13,792 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772090767] [2021-07-10 02:11:13,793 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 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 02:11:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:11:13,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 105 conjunts are in the unsatisfiable core [2021-07-10 02:11:13,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:11:17,997 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2021-07-10 02:11:18,265 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2021-07-10 02:11:18,908 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2021-07-10 02:11:19,219 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-07-10 02:11:19,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:19,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2021-07-10 02:11:19,243 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:11:19,248 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-10 02:11:19,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 31 [2021-07-10 02:11:19,249 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 02:11:19,335 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:11:19,337 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 02:11:19,337 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:339, output treesize:291 [2021-07-10 02:11:20,233 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-07-10 02:11:20,512 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-07-10 02:11:20,727 INFO L446 ElimStorePlain]: Different costs {1=[v_prenex_25, v_prenex_23, v_prenex_28], 3=[q3], 120=[q1], 153=[v_prenex_27]} [2021-07-10 02:11:20,735 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-10 02:11:20,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2021-07-10 02:11:20,737 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:11:21,027 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-07-10 02:11:21,027 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:11:21,036 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-10 02:11:21,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 24 [2021-07-10 02:11:21,037 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 02:11:21,226 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-07-10 02:11:21,226 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:11:21,233 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-10 02:11:21,233 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 22 [2021-07-10 02:11:21,234 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 02:11:21,411 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2021-07-10 02:11:21,411 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:11:21,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-07-10 02:11:21,422 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 02:11:21,429 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-10 02:11:21,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 24 [2021-07-10 02:11:21,430 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 02:11:21,628 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2021-07-10 02:11:21,628 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:11:21,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,747 INFO L244 Elim1Store]: Index analysis took 114 ms [2021-07-10 02:11:21,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 57 [2021-07-10 02:11:21,753 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 02:11:21,762 INFO L354 Elim1Store]: treesize reduction 1260, result has 0.1 percent of original size [2021-07-10 02:11:21,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 106 treesize of output 46 [2021-07-10 02:11:21,766 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 02:11:21,920 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 103 [2021-07-10 02:11:21,920 INFO L628 ElimStorePlain]: treesize reduction 135, result has 69.1 percent of original size [2021-07-10 02:11:21,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:21,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 02:11:22,042 INFO L244 Elim1Store]: Index analysis took 118 ms [2021-07-10 02:11:22,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 136 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 57 [2021-07-10 02:11:22,051 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 02:11:22,062 INFO L354 Elim1Store]: treesize reduction 1632, result has 0.1 percent of original size [2021-07-10 02:11:22,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 129 treesize of output 57 [2021-07-10 02:11:22,066 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 02:11:22,106 INFO L628 ElimStorePlain]: treesize reduction 12, result has 79.3 percent of original size [2021-07-10 02:11:22,107 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-10 02:11:22,107 INFO L247 ElimStorePlain]: Needed 10 recursive calls to eliminate 12 variables, input treesize:789, output treesize:42 [2021-07-10 02:11:22,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1267 backedges. 0 proven. 959 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2021-07-10 02:11:22,307 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772090767] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:11:22,307 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:11:22,307 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 44] total 100 [2021-07-10 02:11:22,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487443676] [2021-07-10 02:11:22,308 INFO L462 AbstractCegarLoop]: Interpolant automaton has 101 states [2021-07-10 02:11:22,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:11:22,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2021-07-10 02:11:22,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=479, Invalid=9621, Unknown=0, NotChecked=0, Total=10100 [2021-07-10 02:11:22,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:11:22,310 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:11:22,310 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 101 states, 101 states have (on average 3.227722772277228) internal successors, (326), 100 states have internal predecessors, (326), 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 02:11:22,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:11:22,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:11:22,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:11:22,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:11:22,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:11:22,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:11:22,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:11:22,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 02:11:22,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:11:22,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 02:11:22,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 02:11:22,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 02:11:22,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 02:11:22,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 02:11:22,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 02:11:22,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 02:11:22,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 02:11:22,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 02:11:22,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:11:24,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:11:24,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:11:24,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:11:24,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:11:24,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:11:24,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:11:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:11:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 02:11:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:11:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 02:11:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 02:11:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 02:11:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 02:11:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 02:11:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 02:11:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 02:11:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 02:11:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 02:11:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 02:11:24,361 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:11:24,361 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:11:24,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:11:24,361 INFO L82 PathProgramCache]: Analyzing trace with hash -825647315, now seen corresponding path program 20 times [2021-07-10 02:11:24,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:11:24,361 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978063589] [2021-07-10 02:11:24,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:11:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:11:25,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1343 backedges. 92 proven. 935 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2021-07-10 02:11:25,093 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:11:25,093 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978063589] [2021-07-10 02:11:25,093 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978063589] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:11:25,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685270165] [2021-07-10 02:11:25,094 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 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 02:11:25,183 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 02:11:25,184 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:11:25,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 97 conjunts are in the unsatisfiable core [2021-07-10 02:11:25,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:11:28,035 INFO L354 Elim1Store]: treesize reduction 912, result has 0.1 percent of original size [2021-07-10 02:11:28,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 95 treesize of output 43 [2021-07-10 02:11:28,039 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:11:28,042 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:11:28,043 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:11:28,043 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:100, output treesize:9 [2021-07-10 02:11:28,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-07-10 02:11:28,975 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 02:11:28,976 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 02:11:28,977 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 02:11:28,977 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2021-07-10 02:11:29,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1343 backedges. 0 proven. 1331 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-10 02:11:29,113 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685270165] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:11:29,113 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:11:29,113 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 55] total 88 [2021-07-10 02:11:29,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910451793] [2021-07-10 02:11:29,113 INFO L462 AbstractCegarLoop]: Interpolant automaton has 89 states [2021-07-10 02:11:29,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:11:29,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2021-07-10 02:11:29,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=452, Invalid=7380, Unknown=0, NotChecked=0, Total=7832 [2021-07-10 02:11:29,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:11:29,115 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:11:29,116 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 89 states, 89 states have (on average 3.606741573033708) internal successors, (321), 88 states have internal predecessors, (321), 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 02:11:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:11:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:11:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:11:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:11:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:11:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:11:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:11:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 02:11:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:11:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 02:11:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 02:11:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-10 02:11:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 02:11:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 02:11:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 02:11:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 02:11:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 02:11:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 02:11:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 02:11:29,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:11:37,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:11:37,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 02:11:37,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 02:11:37,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 02:11:37,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 02:11:37,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:11:37,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 02:11:37,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 02:11:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:11:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 02:11:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 02:11:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-10 02:11:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 02:11:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 02:11:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 02:11:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 02:11:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 02:11:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 02:11:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 02:11:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-10 02:11:37,300 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:11:37,300 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:11:37,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:11:37,300 INFO L82 PathProgramCache]: Analyzing trace with hash 2083988496, now seen corresponding path program 21 times [2021-07-10 02:11:37,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:11:37,300 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572059611] [2021-07-10 02:11:37,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:11:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown