/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-b7a4f01caba76767183cf06280be652b0b124764-b7a4f01 [2021-06-07 16:42:28,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 16:42:28,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 16:42:28,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 16:42:28,279 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-DelaySleep-NoLbe-Lockstep.epf [2021-06-07 16:42:28,301 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 16:42:28,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 16:42:28,302 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 16:42:28,302 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 16:42:28,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 16:42:28,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 16:42:28,303 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 16:42:28,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 16:42:28,303 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 16:42:28,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 16:42:28,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 16:42:28,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 16:42:28,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 16:42:28,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 16:42:28,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 16:42:28,303 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 16:42:28,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 16:42:28,304 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 16:42:28,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 16:42:28,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 16:42:28,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 16:42:28,304 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 16:42:28,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 16:42:28,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 16:42:28,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 16:42:28,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 16:42:28,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 16:42:28,305 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 16:42:28,305 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-07 16:42:28,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 16:42:28,305 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 16:42:28,305 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 16:42:28,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 16:42:28,305 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 16:42:28,305 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 16:42:28,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 16:42:28,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 16:42:28,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 16:42:28,553 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-07 16:42:28,557 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-07 16:42:28,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl [2021-06-07 16:42:28,558 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl' [2021-06-07 16:42:28,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 16:42:28,589 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-07 16:42:28,590 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 16:42:28,590 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 16:42:28,590 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 16:42:28,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:42:28" (1/1) ... [2021-06-07 16:42:28,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:42:28" (1/1) ... [2021-06-07 16:42:28,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 16:42:28,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 16:42:28,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 16:42:28,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 16:42:28,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:42:28" (1/1) ... [2021-06-07 16:42:28,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:42:28" (1/1) ... [2021-06-07 16:42:28,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:42:28" (1/1) ... [2021-06-07 16:42:28,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:42:28" (1/1) ... [2021-06-07 16:42:28,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:42:28" (1/1) ... [2021-06-07 16:42:28,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:42:28" (1/1) ... [2021-06-07 16:42:28,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:42:28" (1/1) ... [2021-06-07 16:42:28,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 16:42:28,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 16:42:28,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 16:42:28,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 16:42:28,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:42:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 16:42:28,702 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-07 16:42:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-07 16:42:28,702 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-07 16:42:28,703 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-07 16:42:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-07 16:42:28,703 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-07 16:42:28,703 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-07 16:42:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 16:42:28,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 16:42:28,703 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-07 16:42:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-07 16:42:28,703 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-07 16:42:28,704 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 16:42:28,837 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 16:42:28,838 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-07 16:42:28,839 INFO L202 PluginConnector]: Adding new model min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 04:42:28 BoogieIcfgContainer [2021-06-07 16:42:28,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 16:42:28,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 16:42:28,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 16:42:28,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 16:42:28,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:42:28" (1/2) ... [2021-06-07 16:42:28,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0c0d and model type min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 04:42:28, skipping insertion in model container [2021-06-07 16:42:28,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 04:42:28" (2/2) ... [2021-06-07 16:42:28,843 INFO L111 eAbstractionObserver]: Analyzing ICFG min-array-hom.wvr.bpl [2021-06-07 16:42:28,847 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 16:42:28,847 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 16:42:28,848 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 16:42:28,848 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 16:42:28,882 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-07 16:42:28,896 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 [2021-06-07 16:42:28,970 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 16:42:28,970 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 16:42:28,970 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 16:42:28,971 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 16:42:28,971 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 16:42:28,971 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 16:42:28,971 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 16:42:28,971 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 16:42:29,030 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:42:29,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:42:29,036 INFO L82 PathProgramCache]: Analyzing trace with hash 2045959872, now seen corresponding path program 1 times [2021-06-07 16:42:29,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:42:29,043 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727566753] [2021-06-07 16:42:29,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:42:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:42:29,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:42:29,210 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:42:29,210 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727566753] [2021-06-07 16:42:29,210 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727566753] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 16:42:29,210 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 16:42:29,210 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 16:42:29,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588260023] [2021-06-07 16:42:29,213 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 16:42:29,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:42:29,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 16:42:29,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 16:42:29,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:42:29,223 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:42:29,224 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:42:29,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:42:29,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:42:29,244 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 16:42:29,244 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:42:29,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:42:29,245 INFO L82 PathProgramCache]: Analyzing trace with hash -405063326, now seen corresponding path program 1 times [2021-06-07 16:42:29,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:42:29,245 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275718829] [2021-06-07 16:42:29,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:42:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:42:29,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 16:42:29,281 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:42:29,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275718829] [2021-06-07 16:42:29,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275718829] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 16:42:29,282 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 16:42:29,282 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 16:42:29,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211795890] [2021-06-07 16:42:29,283 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 16:42:29,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:42:29,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 16:42:29,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 16:42:29,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:42:29,284 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:42:29,284 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:42:29,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:42:29,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:42:29,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:42:29,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:42:29,317 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 16:42:29,317 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:42:29,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:42:29,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1348040252, now seen corresponding path program 1 times [2021-06-07 16:42:29,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:42:29,318 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864006763] [2021-06-07 16:42:29,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:42:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:42:29,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:42:29,679 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:42:29,679 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864006763] [2021-06-07 16:42:29,680 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864006763] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:42:29,680 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029147074] [2021-06-07 16:42:29,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:42:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:42:29,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-07 16:42:29,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:42:30,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:30,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:30,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 10 [2021-06-07 16:42:30,115 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:30,118 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:30,119 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:30,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-07 16:42:30,120 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:30,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:30,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-07 16:42:30,130 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:30,140 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:42:30,143 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 16:42:30,143 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:97, output treesize:21 [2021-06-07 16:42:30,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:42:30,181 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029147074] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:42:30,181 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:42:30,181 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-07 16:42:30,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346796891] [2021-06-07 16:42:30,183 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-07 16:42:30,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:42:30,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-07 16:42:30,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-06-07 16:42:30,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:42:30,185 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:42:30,185 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:42:30,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:42:30,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:42:30,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:42:30,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:42:30,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:42:30,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:42:30,554 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:42:30,555 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:42:30,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:42:30,555 INFO L82 PathProgramCache]: Analyzing trace with hash -423836826, now seen corresponding path program 2 times [2021-06-07 16:42:30,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:42:30,555 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661344903] [2021-06-07 16:42:30,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:42:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:42:30,604 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:42:30,604 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:42:30,604 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661344903] [2021-06-07 16:42:30,604 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661344903] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:42:30,604 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782408637] [2021-06-07 16:42:30,605 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:42:30,631 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 16:42:30,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:42:30,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-07 16:42:30,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:42:30,729 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:42:30,729 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782408637] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:42:30,729 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:42:30,729 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-07 16:42:30,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91695067] [2021-06-07 16:42:30,730 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-07 16:42:30,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:42:30,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-07 16:42:30,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-07 16:42:30,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:42:30,731 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:42:30,731 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:42:30,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:42:30,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:42:30,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:42:30,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:42:30,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:42:30,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:42:30,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:42:30,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:42:31,100 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-07 16:42:31,101 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:42:31,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:42:31,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1614799138, now seen corresponding path program 1 times [2021-06-07 16:42:31,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:42:31,102 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146140500] [2021-06-07 16:42:31,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:42:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:42:31,165 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 16:42:31,165 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:42:31,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146140500] [2021-06-07 16:42:31,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146140500] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:42:31,166 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686833315] [2021-06-07 16:42:31,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:42:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:42:31,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-07 16:42:31,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:42:31,283 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 16:42:31,284 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686833315] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:42:31,284 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:42:31,284 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-07 16:42:31,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693451411] [2021-06-07 16:42:31,284 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-07 16:42:31,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:42:31,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-07 16:42:31,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-07 16:42:31,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:42:31,286 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:42:31,286 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:42:31,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:42:31,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:42:31,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:42:31,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:42:31,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:42:31,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:42:31,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:42:31,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:42:31,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:42:31,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:42:31,609 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:42:31,609 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:42:31,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:42:31,610 INFO L82 PathProgramCache]: Analyzing trace with hash 733534532, now seen corresponding path program 2 times [2021-06-07 16:42:31,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:42:31,610 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175759954] [2021-06-07 16:42:31,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:42:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:42:32,101 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 66 [2021-06-07 16:42:32,309 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2021-06-07 16:42:32,524 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2021-06-07 16:42:32,874 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:42:32,874 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:42:32,874 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175759954] [2021-06-07 16:42:32,875 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175759954] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:42:32,875 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48144968] [2021-06-07 16:42:32,875 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:42:32,913 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 16:42:32,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:42:32,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-07 16:42:32,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:42:33,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:33,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:33,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:33,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:33,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:42:33,950 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:33,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:33,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:33,957 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:33,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:33,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2021-06-07 16:42:33,961 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:33,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:33,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:33,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:33,976 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:33,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2021-06-07 16:42:33,978 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:33,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:33,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:33,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:33,988 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:33,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-06-07 16:42:33,990 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:33,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:33,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:33,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2021-06-07 16:42:34,006 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:42:34,017 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:42:34,027 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-07 16:42:34,041 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,051 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-07 16:42:34,053 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-07 16:42:34,064 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:42:34,077 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-07 16:42:34,090 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:42:34,102 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-06-07 16:42:34,113 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,129 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,131 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:42:34,133 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,140 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2021-06-07 16:42:34,144 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:42:34,156 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,165 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-06-07 16:42:34,167 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:42:34,177 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,184 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,186 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 25 [2021-06-07 16:42:34,188 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,194 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,196 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:42:34,198 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-07 16:42:34,209 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,217 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:42:34,219 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,225 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,227 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-07 16:42:34,229 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:42:34,240 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2021-06-07 16:42:34,251 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-06-07 16:42:34,261 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,270 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-06-07 16:42:34,273 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-07 16:42:34,286 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,293 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-07 16:42:34,297 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,306 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-07 16:42:34,309 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,315 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-07 16:42:34,319 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,326 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-07 16:42:34,330 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,338 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-07 16:42:34,340 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,346 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-07 16:42:34,350 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 19 [2021-06-07 16:42:34,360 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,366 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-07 16:42:34,370 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,378 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:42:34,381 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:42:34,391 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:42:34,401 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,409 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-07 16:42:34,412 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,421 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-07 16:42:34,423 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,431 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-06-07 16:42:34,432 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-06-07 16:42:34,442 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,448 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:42:34,453 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,461 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:42:34,463 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-07 16:42:34,475 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,483 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-07 16:42:34,491 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-07 16:42:34,502 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:42:34,512 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 22 [2021-06-07 16:42:34,528 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,536 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:42:34,541 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,547 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:42:34,555 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2021-06-07 16:42:34,564 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-06-07 16:42:34,574 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 19 [2021-06-07 16:42:34,583 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:42:34,592 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,597 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,598 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-07 16:42:34,600 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 25 [2021-06-07 16:42:34,609 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-07 16:42:34,617 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,622 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-07 16:42:34,626 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,632 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-07 16:42:34,635 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,639 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-07 16:42:34,649 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,731 INFO L628 ElimStorePlain]: treesize reduction 106, result has 41.4 percent of original size [2021-06-07 16:42:34,733 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-07 16:42:34,733 INFO L247 ElimStorePlain]: Needed 64 recursive calls to eliminate 2 variables, input treesize:3159, output treesize:51 [2021-06-07 16:42:34,811 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:42:34,811 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48144968] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:42:34,811 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:42:34,812 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2021-06-07 16:42:34,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015037444] [2021-06-07 16:42:34,812 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-07 16:42:34,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:42:34,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-07 16:42:34,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2021-06-07 16:42:34,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:42:34,813 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:42:34,813 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.5217391304347827) internal successors, (58), 23 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:42:34,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:42:34,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:42:34,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:42:34,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:42:34,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:42:34,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:42:35,260 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 45 [2021-06-07 16:42:35,591 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 60 [2021-06-07 16:42:35,756 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 66 [2021-06-07 16:42:36,051 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 66 [2021-06-07 16:42:36,407 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 73 [2021-06-07 16:42:36,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:42:36,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:42:36,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:42:36,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:42:36,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:42:36,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:42:36,784 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-07 16:42:36,785 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:42:36,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:42:36,785 INFO L82 PathProgramCache]: Analyzing trace with hash -53194522, now seen corresponding path program 3 times [2021-06-07 16:42:36,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:42:36,785 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653803012] [2021-06-07 16:42:36,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:42:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:42:36,850 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:42:36,850 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:42:36,850 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653803012] [2021-06-07 16:42:36,850 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653803012] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:42:36,850 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778914387] [2021-06-07 16:42:36,851 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:42:36,889 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-07 16:42:36,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:42:36,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-07 16:42:36,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:42:37,052 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:42:37,053 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [778914387] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:42:37,053 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:42:37,053 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-07 16:42:37,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246973972] [2021-06-07 16:42:37,053 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-07 16:42:37,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:42:37,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-07 16:42:37,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-07 16:42:37,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:42:37,054 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:42:37,054 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.6) internal successors, (52), 20 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:42:37,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:42:37,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:42:37,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:42:37,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:42:37,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:42:37,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:42:37,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:42:37,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:42:37,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:42:37,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:42:37,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:42:37,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:42:37,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:42:37,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:42:37,672 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:42:37,672 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:42:37,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:42:37,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1557442210, now seen corresponding path program 4 times [2021-06-07 16:42:37,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:42:37,673 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248223941] [2021-06-07 16:42:37,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:42:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:42:37,737 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 16:42:37,738 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:42:37,738 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248223941] [2021-06-07 16:42:37,738 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248223941] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:42:37,738 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31320890] [2021-06-07 16:42:37,738 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:42:37,770 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 16:42:37,770 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:42:37,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-07 16:42:37,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:42:37,880 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 16:42:37,880 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31320890] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:42:37,880 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:42:37,880 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-07 16:42:37,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543020565] [2021-06-07 16:42:37,881 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-07 16:42:37,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:42:37,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-07 16:42:37,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-07 16:42:37,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:42:37,882 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:42:37,882 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:42:37,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:42:37,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:42:37,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:42:37,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:42:37,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:42:37,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:42:37,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:42:37,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:42:38,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:42:38,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:42:38,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:42:38,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:42:38,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:42:38,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:42:38,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:42:38,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:42:38,253 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:42:38,254 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:42:38,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:42:38,254 INFO L82 PathProgramCache]: Analyzing trace with hash 753689796, now seen corresponding path program 5 times [2021-06-07 16:42:38,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:42:38,254 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347180303] [2021-06-07 16:42:38,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:42:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:42:39,226 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 78 [2021-06-07 16:42:39,407 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 56 [2021-06-07 16:42:39,878 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 115 [2021-06-07 16:42:40,221 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 78 [2021-06-07 16:42:41,241 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 235 DAG size of output: 203 [2021-06-07 16:42:41,942 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 129 [2021-06-07 16:42:44,359 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 226 DAG size of output: 246 [2021-06-07 16:42:45,376 WARN L205 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 160 [2021-06-07 16:42:47,496 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 221 DAG size of output: 240 [2021-06-07 16:42:48,511 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 155 [2021-06-07 16:42:49,783 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 193 DAG size of output: 222 [2021-06-07 16:42:50,476 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 102 [2021-06-07 16:42:51,001 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 193 [2021-06-07 16:42:51,528 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 69 [2021-06-07 16:42:51,761 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 46 [2021-06-07 16:42:51,986 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 44 [2021-06-07 16:42:52,126 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:42:52,126 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:42:52,126 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347180303] [2021-06-07 16:42:52,127 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347180303] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:42:52,127 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674677377] [2021-06-07 16:42:52,127 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:42:52,172 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-07 16:42:52,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:42:52,173 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-07 16:42:52,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:42:53,957 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 115 [2021-06-07 16:42:55,316 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 350 [2021-06-07 16:42:58,681 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 388 DAG size of output: 354 [2021-06-07 16:43:01,808 WARN L205 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 394 DAG size of output: 358 [2021-06-07 16:43:05,142 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 400 DAG size of output: 362 [2021-06-07 16:43:06,556 WARN L205 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2021-06-07 16:43:08,329 WARN L205 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 354 [2021-06-07 16:43:10,575 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2021-06-07 16:43:10,576 INFO L354 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2021-06-07 16:43:10,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 69 [2021-06-07 16:43:10,600 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:10,798 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-06-07 16:43:10,799 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-06-07 16:43:10,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 52 treesize of output 80 [2021-06-07 16:43:10,807 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:16,044 WARN L205 SmtUtils]: Spent 5.24 s on a formula simplification that was a NOOP. DAG size: 762 [2021-06-07 16:43:16,045 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:43:16,298 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2021-06-07 16:43:16,298 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-06-07 16:43:16,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 84 [2021-06-07 16:43:16,315 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:16,482 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2021-06-07 16:43:16,482 INFO L354 Elim1Store]: treesize reduction 32, result has 56.2 percent of original size [2021-06-07 16:43:16,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 65 [2021-06-07 16:43:16,500 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:26,917 WARN L205 SmtUtils]: Spent 10.42 s on a formula simplification. DAG size of input: 769 DAG size of output: 766 [2021-06-07 16:43:26,919 INFO L628 ElimStorePlain]: treesize reduction 21, result has 99.5 percent of original size [2021-06-07 16:43:27,156 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2021-06-07 16:43:27,157 INFO L354 Elim1Store]: treesize reduction 24, result has 67.1 percent of original size [2021-06-07 16:43:27,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 73 [2021-06-07 16:43:27,177 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:27,408 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-06-07 16:43:27,408 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-06-07 16:43:27,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 52 treesize of output 80 [2021-06-07 16:43:27,413 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:32,782 WARN L205 SmtUtils]: Spent 5.37 s on a formula simplification that was a NOOP. DAG size: 764 [2021-06-07 16:43:32,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:43:33,069 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2021-06-07 16:43:33,070 INFO L354 Elim1Store]: treesize reduction 4, result has 94.5 percent of original size [2021-06-07 16:43:33,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 52 treesize of output 96 [2021-06-07 16:43:33,205 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:33,421 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-07 16:43:33,422 INFO L354 Elim1Store]: treesize reduction 8, result has 89.0 percent of original size [2021-06-07 16:43:33,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 89 [2021-06-07 16:43:33,508 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:43,960 WARN L205 SmtUtils]: Spent 10.45 s on a formula simplification. DAG size of input: 780 DAG size of output: 758 [2021-06-07 16:43:43,961 INFO L628 ElimStorePlain]: treesize reduction 104, result has 97.6 percent of original size [2021-06-07 16:43:44,201 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2021-06-07 16:43:44,201 INFO L354 Elim1Store]: treesize reduction 4, result has 94.5 percent of original size [2021-06-07 16:43:44,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 93 [2021-06-07 16:43:44,351 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:44,574 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2021-06-07 16:43:44,574 INFO L354 Elim1Store]: treesize reduction 4, result has 94.5 percent of original size [2021-06-07 16:43:44,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 52 treesize of output 96 [2021-06-07 16:43:44,601 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:54,574 WARN L205 SmtUtils]: Spent 9.97 s on a formula simplification. DAG size of input: 766 DAG size of output: 745 [2021-06-07 16:43:54,575 INFO L628 ElimStorePlain]: treesize reduction 72, result has 98.3 percent of original size [2021-06-07 16:43:54,848 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2021-06-07 16:43:54,848 INFO L354 Elim1Store]: treesize reduction 4, result has 94.5 percent of original size [2021-06-07 16:43:54,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 43 treesize of output 93 [2021-06-07 16:43:55,054 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:55,265 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-06-07 16:43:55,265 INFO L354 Elim1Store]: treesize reduction 12, result has 83.6 percent of original size [2021-06-07 16:43:55,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 48 treesize of output 88 [2021-06-07 16:43:55,301 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-07 16:44:09,782 WARN L205 SmtUtils]: Spent 14.48 s on a formula simplification. DAG size of input: 747 DAG size of output: 730 [2021-06-07 16:44:09,784 INFO L628 ElimStorePlain]: treesize reduction 52, result has 98.8 percent of original size [2021-06-07 16:44:09,992 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2021-06-07 16:44:09,992 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-06-07 16:44:09,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 81 [2021-06-07 16:44:10,030 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-07 16:44:10,194 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-06-07 16:44:10,195 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:44:10,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 100 [2021-06-07 16:44:10,327 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-07 16:44:25,112 WARN L205 SmtUtils]: Spent 14.78 s on a formula simplification. DAG size of input: 797 DAG size of output: 736 [2021-06-07 16:44:25,114 INFO L628 ElimStorePlain]: treesize reduction 449, result has 90.3 percent of original size [2021-06-07 16:44:25,330 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2021-06-07 16:44:25,330 INFO L354 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2021-06-07 16:44:25,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 69 [2021-06-07 16:44:25,337 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-07 16:44:25,533 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2021-06-07 16:44:25,533 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-06-07 16:44:25,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 84 [2021-06-07 16:44:25,545 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-07 16:44:30,281 WARN L205 SmtUtils]: Spent 4.74 s on a formula simplification that was a NOOP. DAG size: 729 [2021-06-07 16:44:30,281 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:44:30,502 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-06-07 16:44:30,503 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-06-07 16:44:30,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 52 treesize of output 80 [2021-06-07 16:44:30,510 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-07 16:44:30,665 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2021-06-07 16:44:30,665 INFO L354 Elim1Store]: treesize reduction 32, result has 56.2 percent of original size [2021-06-07 16:44:30,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 65 [2021-06-07 16:44:30,669 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-07 16:44:35,502 WARN L205 SmtUtils]: Spent 4.83 s on a formula simplification that was a NOOP. DAG size: 729 [2021-06-07 16:44:35,503 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:44:35,760 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-07 16:44:35,760 INFO L354 Elim1Store]: treesize reduction 8, result has 89.0 percent of original size [2021-06-07 16:44:35,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 89 [2021-06-07 16:44:35,908 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-07 16:44:36,059 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:44:36,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 100 [2021-06-07 16:44:36,188 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-07 16:44:50,206 WARN L205 SmtUtils]: Spent 14.02 s on a formula simplification. DAG size of input: 789 DAG size of output: 720 [2021-06-07 16:44:50,207 INFO L628 ElimStorePlain]: treesize reduction 555, result has 88.3 percent of original size [2021-06-07 16:44:50,426 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2021-06-07 16:44:50,426 INFO L354 Elim1Store]: treesize reduction 24, result has 67.1 percent of original size [2021-06-07 16:44:50,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 45 treesize of output 73 [2021-06-07 16:44:50,435 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-07 16:44:50,633 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2021-06-07 16:44:50,633 INFO L354 Elim1Store]: treesize reduction 24, result has 67.1 percent of original size [2021-06-07 16:44:50,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 50 treesize of output 76 [2021-06-07 16:44:50,637 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-07 16:44:55,441 WARN L205 SmtUtils]: Spent 4.80 s on a formula simplification that was a NOOP. DAG size: 714 [2021-06-07 16:44:55,442 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:44:55,650 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2021-06-07 16:44:55,650 INFO L354 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2021-06-07 16:44:55,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 45 treesize of output 69 [2021-06-07 16:44:55,655 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-07 16:44:55,826 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2021-06-07 16:44:55,827 INFO L354 Elim1Store]: treesize reduction 24, result has 67.1 percent of original size [2021-06-07 16:44:55,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 50 treesize of output 76 [2021-06-07 16:44:55,831 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-07 16:45:00,603 WARN L205 SmtUtils]: Spent 4.77 s on a formula simplification that was a NOOP. DAG size: 710 [2021-06-07 16:45:00,603 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:45:00,793 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-06-07 16:45:00,793 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:45:00,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 100 [2021-06-07 16:45:00,891 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-07 16:45:01,061 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-07 16:45:01,061 INFO L354 Elim1Store]: treesize reduction 8, result has 89.0 percent of original size [2021-06-07 16:45:01,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 89 [2021-06-07 16:45:01,260 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-07 16:45:11,349 WARN L205 SmtUtils]: Spent 10.09 s on a formula simplification. DAG size of input: 752 DAG size of output: 705 [2021-06-07 16:45:11,351 INFO L628 ElimStorePlain]: treesize reduction 337, result has 92.5 percent of original size [2021-06-07 16:45:11,518 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:45:11,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 100 [2021-06-07 16:45:11,681 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-07 16:45:11,866 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-06-07 16:45:11,867 INFO L354 Elim1Store]: treesize reduction 12, result has 83.6 percent of original size [2021-06-07 16:45:11,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 85 [2021-06-07 16:45:11,940 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-07 16:45:21,628 WARN L205 SmtUtils]: Spent 9.69 s on a formula simplification. DAG size of input: 765 DAG size of output: 699 [2021-06-07 16:45:21,629 INFO L628 ElimStorePlain]: treesize reduction 432, result has 90.5 percent of original size [2021-06-07 16:45:21,890 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2021-06-07 16:45:21,890 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-06-07 16:45:21,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 84 [2021-06-07 16:45:21,898 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-07 16:45:22,057 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2021-06-07 16:45:22,057 INFO L354 Elim1Store]: treesize reduction 32, result has 56.2 percent of original size [2021-06-07 16:45:22,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 65 [2021-06-07 16:45:22,062 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-07 16:45:26,695 WARN L205 SmtUtils]: Spent 4.63 s on a formula simplification that was a NOOP. DAG size: 694 [2021-06-07 16:45:26,696 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:45:26,896 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-06-07 16:45:26,896 INFO L354 Elim1Store]: treesize reduction 12, result has 83.6 percent of original size [2021-06-07 16:45:26,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 85 [2021-06-07 16:45:27,003 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-07 16:45:27,157 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-06-07 16:45:27,157 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:45:27,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 100 [2021-06-07 16:45:27,290 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-07 16:45:41,253 WARN L205 SmtUtils]: Spent 13.96 s on a formula simplification. DAG size of input: 759 DAG size of output: 690 [2021-06-07 16:45:41,255 INFO L628 ElimStorePlain]: treesize reduction 467, result has 89.9 percent of original size [2021-06-07 16:45:41,464 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2021-06-07 16:45:41,465 INFO L354 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2021-06-07 16:45:41,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 48 treesize of output 72 [2021-06-07 16:45:41,468 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-07 16:45:41,636 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2021-06-07 16:45:41,637 INFO L354 Elim1Store]: treesize reduction 24, result has 67.1 percent of original size [2021-06-07 16:45:41,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 43 treesize of output 73 [2021-06-07 16:45:41,647 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-07 16:45:46,101 WARN L205 SmtUtils]: Spent 4.45 s on a formula simplification that was a NOOP. DAG size: 681 [2021-06-07 16:45:46,101 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:45:46,320 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2021-06-07 16:45:46,320 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-06-07 16:45:46,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 84 [2021-06-07 16:45:46,328 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-07 16:45:46,482 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2021-06-07 16:45:46,482 INFO L354 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2021-06-07 16:45:46,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 69 [2021-06-07 16:45:46,489 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-07 16:45:50,843 WARN L205 SmtUtils]: Spent 4.35 s on a formula simplification that was a NOOP. DAG size: 677 [2021-06-07 16:45:50,844 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:45:51,030 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-07 16:45:51,031 INFO L354 Elim1Store]: treesize reduction 8, result has 89.0 percent of original size [2021-06-07 16:45:51,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 89 [2021-06-07 16:45:51,204 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-07 16:45:51,351 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:45:51,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 100 [2021-06-07 16:45:51,471 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-07 16:46:04,272 WARN L205 SmtUtils]: Spent 12.80 s on a formula simplification. DAG size of input: 715 DAG size of output: 668 [2021-06-07 16:46:04,274 INFO L628 ElimStorePlain]: treesize reduction 339, result has 92.4 percent of original size [2021-06-07 16:46:04,439 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2021-06-07 16:46:04,439 INFO L354 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2021-06-07 16:46:04,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 69 [2021-06-07 16:46:04,449 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-07 16:46:04,619 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2021-06-07 16:46:04,620 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-06-07 16:46:04,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 84 [2021-06-07 16:46:04,625 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-07 16:46:08,863 WARN L205 SmtUtils]: Spent 4.24 s on a formula simplification that was a NOOP. DAG size: 659 [2021-06-07 16:46:08,864 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:46:09,080 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2021-06-07 16:46:09,080 INFO L354 Elim1Store]: treesize reduction 4, result has 94.5 percent of original size [2021-06-07 16:46:09,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 52 treesize of output 96 [2021-06-07 16:46:09,176 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-07 16:46:09,340 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-06-07 16:46:09,340 INFO L354 Elim1Store]: treesize reduction 12, result has 83.6 percent of original size [2021-06-07 16:46:09,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 85 [2021-06-07 16:46:09,395 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-07 16:46:17,856 WARN L205 SmtUtils]: Spent 8.46 s on a formula simplification. DAG size of input: 699 DAG size of output: 653 [2021-06-07 16:46:17,857 INFO L628 ElimStorePlain]: treesize reduction 282, result has 93.6 percent of original size [2021-06-07 16:46:18,058 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2021-06-07 16:46:18,058 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-06-07 16:46:18,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 84 [2021-06-07 16:46:18,065 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-07 16:46:18,215 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2021-06-07 16:46:18,216 INFO L354 Elim1Store]: treesize reduction 24, result has 67.1 percent of original size [2021-06-07 16:46:18,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 73 [2021-06-07 16:46:18,233 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-07 16:46:22,265 WARN L205 SmtUtils]: Spent 4.03 s on a formula simplification that was a NOOP. DAG size: 649 [2021-06-07 16:46:22,265 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:46:22,448 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-06-07 16:46:22,449 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-06-07 16:46:22,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 36 treesize of output 74 [2021-06-07 16:46:22,456 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-07 16:46:22,577 INFO L354 Elim1Store]: treesize reduction 32, result has 56.2 percent of original size [2021-06-07 16:46:22,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 41 treesize of output 65 [2021-06-07 16:46:22,579 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-07 16:46:26,627 WARN L205 SmtUtils]: Spent 4.05 s on a formula simplification that was a NOOP. DAG size: 645 [2021-06-07 16:46:26,628 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:46:26,814 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-06-07 16:46:26,814 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-06-07 16:46:26,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 52 treesize of output 80 [2021-06-07 16:46:26,819 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-07 16:46:26,952 INFO L354 Elim1Store]: treesize reduction 28, result has 61.6 percent of original size [2021-06-07 16:46:26,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 69 [2021-06-07 16:46:26,969 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-07 16:46:30,928 WARN L205 SmtUtils]: Spent 3.96 s on a formula simplification that was a NOOP. DAG size: 641 [2021-06-07 16:46:30,929 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:46:31,101 INFO L354 Elim1Store]: treesize reduction 32, result has 56.2 percent of original size [2021-06-07 16:46:31,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 65 [2021-06-07 16:46:31,108 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-07 16:46:31,284 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2021-06-07 16:46:31,284 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-06-07 16:46:31,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 84 [2021-06-07 16:46:31,295 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-07 16:46:35,261 WARN L205 SmtUtils]: Spent 3.97 s on a formula simplification that was a NOOP. DAG size: 640 [2021-06-07 16:46:35,262 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:46:35,455 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-07 16:46:35,455 INFO L354 Elim1Store]: treesize reduction 8, result has 89.0 percent of original size [2021-06-07 16:46:35,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 50 treesize of output 92 [2021-06-07 16:46:35,512 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-07 16:46:35,665 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2021-06-07 16:46:35,665 INFO L354 Elim1Store]: treesize reduction 4, result has 94.5 percent of original size [2021-06-07 16:46:35,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 45 treesize of output 93 [2021-06-07 16:46:35,907 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-07 16:46:43,727 WARN L205 SmtUtils]: Spent 7.82 s on a formula simplification. DAG size of input: 645 DAG size of output: 627 [2021-06-07 16:46:43,729 INFO L628 ElimStorePlain]: treesize reduction 59, result has 98.6 percent of original size [2021-06-07 16:46:43,910 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2021-06-07 16:46:43,911 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-06-07 16:46:43,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 84 [2021-06-07 16:46:43,921 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-07 16:46:44,055 INFO L354 Elim1Store]: treesize reduction 36, result has 50.7 percent of original size [2021-06-07 16:46:44,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 61 [2021-06-07 16:46:44,058 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-07 16:46:47,925 WARN L205 SmtUtils]: Spent 3.87 s on a formula simplification that was a NOOP. DAG size: 629 [2021-06-07 16:46:47,926 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:46:48,065 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:46:48,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 100 [2021-06-07 16:46:48,184 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-07 16:46:48,326 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-06-07 16:46:48,326 INFO L354 Elim1Store]: treesize reduction 12, result has 83.6 percent of original size [2021-06-07 16:46:48,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 85 [2021-06-07 16:46:48,399 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-07 16:47:03,839 WARN L205 SmtUtils]: Spent 15.44 s on a formula simplification. DAG size of input: 677 DAG size of output: 623 [2021-06-07 16:47:03,840 INFO L628 ElimStorePlain]: treesize reduction 443, result has 90.2 percent of original size [2021-06-07 16:47:04,015 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-07 16:47:04,016 INFO L354 Elim1Store]: treesize reduction 8, result has 89.0 percent of original size [2021-06-07 16:47:04,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 89 [2021-06-07 16:47:04,052 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-07 16:47:04,213 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2021-06-07 16:47:04,214 INFO L354 Elim1Store]: treesize reduction 4, result has 94.5 percent of original size [2021-06-07 16:47:04,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 52 treesize of output 96 [2021-06-07 16:47:04,252 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-07 16:47:11,585 WARN L205 SmtUtils]: Spent 7.33 s on a formula simplification. DAG size of input: 642 DAG size of output: 607 [2021-06-07 16:47:11,587 INFO L628 ElimStorePlain]: treesize reduction 230, result has 94.7 percent of original size [2021-06-07 16:47:11,754 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-07 16:47:11,754 INFO L354 Elim1Store]: treesize reduction 8, result has 89.0 percent of original size [2021-06-07 16:47:11,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 50 treesize of output 92 [2021-06-07 16:47:11,794 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-07 16:47:11,948 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-07 16:47:11,949 INFO L354 Elim1Store]: treesize reduction 8, result has 89.0 percent of original size [2021-06-07 16:47:11,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 45 treesize of output 89 [2021-06-07 16:47:11,976 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-07 16:47:19,074 WARN L205 SmtUtils]: Spent 7.10 s on a formula simplification. DAG size of input: 612 DAG size of output: 597 [2021-06-07 16:47:19,075 INFO L628 ElimStorePlain]: treesize reduction 62, result has 98.5 percent of original size [2021-06-07 16:47:19,201 INFO L354 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2021-06-07 16:47:19,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 36 treesize of output 74 [2021-06-07 16:47:19,213 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-07 16:47:19,300 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:47:19,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 31 treesize of output 91 [2021-06-07 16:47:19,417 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-07 16:47:22,816 WARN L205 SmtUtils]: Spent 3.40 s on a formula simplification that was a NOOP. DAG size: 584 [2021-06-07 16:47:22,817 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:47:22,929 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:47:22,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 54 treesize of output 100 [2021-06-07 16:47:22,969 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-07 16:47:23,098 INFO L354 Elim1Store]: treesize reduction 4, result has 94.5 percent of original size [2021-06-07 16:47:23,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 93 [2021-06-07 16:47:23,306 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-07 16:47:29,842 WARN L205 SmtUtils]: Spent 6.54 s on a formula simplification. DAG size of input: 598 DAG size of output: 573 [2021-06-07 16:47:29,843 INFO L628 ElimStorePlain]: treesize reduction 121, result has 97.0 percent of original size [2021-06-07 16:47:29,967 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 573 [2021-06-07 16:47:31,385 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 457 [2021-06-07 16:47:31,390 INFO L550 ElimStorePlain]: Start of recursive call 1: 33 dim-0 vars, 32 dim-1 vars, End of recursive call: and 64 xjuncts. [2021-06-07 16:47:31,391 INFO L247 ElimStorePlain]: Needed 65 recursive calls to eliminate 65 variables, input treesize:4285, output treesize:12519 [2021-06-07 16:47:31,795 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 457 [2021-06-07 16:47:33,431 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 456 DAG size of output: 52 [2021-06-07 16:47:33,597 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:47:33,597 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674677377] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:47:33,597 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:47:33,597 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-07 16:47:33,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878746989] [2021-06-07 16:47:33,598 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-07 16:47:33,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:47:33,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-07 16:47:33,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=897, Unknown=0, NotChecked=0, Total=992 [2021-06-07 16:47:33,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:47:33,599 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:47:33,599 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.3125) internal successors, (74), 32 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:47:33,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:47:33,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:47:33,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:47:33,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:47:33,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:47:33,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:47:33,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:47:33,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:47:33,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:47:34,244 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 51 [2021-06-07 16:47:34,704 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 56 [2021-06-07 16:47:35,015 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 70 [2021-06-07 16:47:35,384 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-06-07 16:47:35,757 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 76 [2021-06-07 16:47:36,073 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 96 [2021-06-07 16:47:36,379 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 91 [2021-06-07 16:47:37,005 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 124 [2021-06-07 16:47:37,461 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 103 [2021-06-07 16:47:41,631 WARN L205 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 260 DAG size of output: 168 [2021-06-07 16:47:42,054 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 94 [2021-06-07 16:47:47,967 WARN L205 SmtUtils]: Spent 5.61 s on a formula simplification. DAG size of input: 564 DAG size of output: 206 [2021-06-07 16:47:50,586 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 273 DAG size of output: 132 [2021-06-07 16:47:50,933 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2021-06-07 16:47:51,416 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-06-07 16:47:51,797 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2021-06-07 16:47:51,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:47:51,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:47:51,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:47:51,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:47:51,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:47:51,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:47:51,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:47:51,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:47:51,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 16:47:52,073 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2021-06-07 16:47:52,073 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:47:52,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:47:52,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1095960746, now seen corresponding path program 6 times [2021-06-07 16:47:52,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:47:52,074 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510132965] [2021-06-07 16:47:52,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:47:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:47:52,197 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:47:52,197 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:47:52,197 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510132965] [2021-06-07 16:47:52,198 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510132965] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:47:52,198 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221216508] [2021-06-07 16:47:52,198 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:47:52,235 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-07 16:47:52,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:47:52,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-07 16:47:52,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:47:52,443 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:47:52,443 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221216508] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:47:52,443 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:47:52,443 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-06-07 16:47:52,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692907889] [2021-06-07 16:47:52,444 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-07 16:47:52,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:47:52,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-07 16:47:52,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-06-07 16:47:52,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:47:52,444 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:47:52,445 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:47:52,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:47:52,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:47:52,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:47:52,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:47:52,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:47:52,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:47:52,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:47:52,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:47:52,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-07 16:47:52,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:47:52,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:47:52,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:47:52,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:47:52,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:47:52,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:47:52,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 16:47:52,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:47:52,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:47:52,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 16:47:52,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 16:47:52,820 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2137,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:47:52,821 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:47:52,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:47:52,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1651211468, now seen corresponding path program 7 times [2021-06-07 16:47:52,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:47:52,821 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43718671] [2021-06-07 16:47:52,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:47:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:47:55,758 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 51 [2021-06-07 16:47:55,917 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 148 [2021-06-07 16:47:56,242 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 69 [2021-06-07 16:49:14,472 WARN L205 SmtUtils]: Spent 1.30 m on a formula simplification. DAG size of input: 497 DAG size of output: 358 [2021-06-07 16:49:14,817 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 358 [2021-06-07 16:49:16,185 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 358 DAG size of output: 124 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown